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From: Rodney Hoskinson <funkyrod@gmail.com>
Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
on FreeBSD (to invoke the JVM from native software)?
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Nick
Thanks,
I'm still having trouble trying to invoke the JVM from FreeBSD.
I compiled and ran the simple C++ JNI invocation program below, linked against
jdk1.6.0 on FreeBSD7.0-Release. (Tried linking against diablo-jdk1.5.0 also -
same result).
I got the same result as trying to run rJava: Program received signal SIGSYS
(Bad system call).
or in gdb:
# gdb ./a.out
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols
found)...
(gdb) run
Starting program: /usr/home/test3/src/a.out
(no debugging symbols found)...(no debugging symbols found)...(no debugging
symbols found)...(no debugging symbols found)...(no debugging symbols
found)...(no debugging symbols found)...[New LWP 100131]
(no debugging symbols found)...[New Thread 0x28b01100 (LWP 100131)]
(no debugging symbols found)...(no debugging symbols found)...(no debugging
symbols found)...(no debugging symbols found)...(no debugging symbols
found)...[New Thread 0x28b01300 (LWP 100192)]
[New Thread 0x28b01500 (LWP 100193)]
[New Thread 0x28b01600 (LWP 100203)]
Program received signal SIGSYS, Bad system call.
[Switching to Thread 0x28b01100 (LWP 100131)]
0x289bb86b in ksem_init () from /lib/libc.so.7
(gdb) bt
#0 0x289bb86b in ksem_init () from /lib/libc.so.7
#1 0x289b1229 in sem_init () from /lib/libc.so.7
#2 0x28321e59 in os::signal_init_pd ()
from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
#3 0x2831fb62 in os::signal_init ()
from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
#4 0x283aa342 in Threads::create_vm ()
from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
#5 0x2821b736 in JNI_CreateJavaVM ()
from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
#6 0xbfbfe80b in ?? ()
#7 0x00000000 in ?? ()
#8 0x00000000 in ?? ()
#9 0x00000000 in ?? ()
#10 0xbfbfe868 in ?? ()
#11 0xffffffff in ?? ()
#12 0x28077000 in ?? ()
#13 0x00000018 in ?? ()
#14 0x28b0c000 in ?? ()
#15 0x01bfe850 in ?? ()
#16 0x00000001 in ?? ()
#17 0xbfbfe8b0 in ?? ()
#18 0x00000000 in ?? ()
#19 0xbfbfe868 in ?? ()
#20 0x080488ea in main ()
(gdb)
Invocation program, built with compiler flags:
-I/usr/local/jdk1.6.0/include -I/usr/local/jdk1.6.0/include/freebsd -L/usr/local/jdk1.6.0/jre/lib/i386/server -ljvm
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
using namespace std;
#include <iostream>
#include <cstdlib>
#include <jni.h> /* where everything is defined */
int main(int argc, char *argv[])
{
JavaVM *jvm; /* denotes a Java VM */
JNIEnv *env; /* pointer to native method interface */
JavaVMInitArgs vm_args; /* JDK/JRE 6 VM initialization arguments */
JavaVMOption* options = new JavaVMOption[1];
options[0].optionString = "-Djava.class.path=/usr/local/jdk1.6.0/java";
vm_args.version = JNI_VERSION_1_6;
vm_args.nOptions = 1;
vm_args.options = options;
vm_args.ignoreUnrecognized = false;
/* load and initialize a Java VM, return a JNI interface
* pointer in env */
JNI_CreateJavaVM(&jvm,(void **)&env, &vm_args);
delete options;
/* invoke the Main.test method using the JNI */
jclass cls = env->FindClass("Main");
jmethodID mid = env->GetStaticMethodID(cls, "test", "(I)V");
env->CallStaticVoidMethod(cls, mid, 100);
/* We are done. */
jvm->DestroyJavaVM();
return EXIT_SUCCESS;
}
I'm stumped as to why JNI invocation appears not to work for me on FreeBSD.
On Sunday 30 March 2008 01:53:52 Nick Johnson wrote:
> Yeah, it works. Take a look at jsvc that ships with Tomcat 6. It binds
> to a port, drops root permission and creates a JVM and does back and forth
> communication with Tomcat.
>
> Nick
>
> On Sat, 29 Mar 2008, Rod wrote:
> > I'm having trouble using JNI software on FreeBSD.
> > In summary:
> > - I'm able to call native routines from a Java VM via JNI
> > - However in the other direction JNI seems not to work. I can't create a
> > JVM via JNI from native software.
> > Admittedly, I'm using one specific software (R with rJava) and haven't
> > tried running my own JNI software.
> >
> > What I'm noticing is that a call to JNI_CreateJavaVM () in
> > /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so results in SIGSYS, Bad
> > Sytem Call.
> >
> > Here's my output from running R with rJava under gdb with a stack
> > backtrace. It all seems to go pear-shaped at JNI_CreateJavaVM () :
From owner-freebsd-java@FreeBSD.ORG Sun Mar 30 07:57:00 2008
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Date: Sun, 30 Mar 2008 00:56:58 -0700
From: Greg Lewis <glewis@eyesbeyond.com>
To: Rod <funkyrod@gmail.com>
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Cc: freebsd-java@freebsd.org
Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
on FreeBSD (to invoke the JVM from native software)?
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On Sat, Mar 29, 2008 at 06:36:11AM +0000, Rod wrote:
> I'm running this under a clean install of 7-Release I386:
>
> # uname -a
> FreeBSD 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC
> 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
>
> I was getting the same result on my existing installation, so in case it was
> some mix-up with libraries I tried new installations of 7-Release and also
> PCBSD-1.5 (based on 6.3), both with the same result.
>
> I've tried Java 1.6 built from ports (usr/ports/java/jdk16)
>
> # java -version
> java version "1.6.0_03-p3"
> Java(TM) SE Runtime Environment (build
> 1.6.0_03-p3-root_16_feb_2008_09_59-b00)
> Java HotSpot(TM) Client VM (build 1.6.0_03-p3-root_16_feb_2008_09_59-b00,
> mixed mode)
So why is the build date from the JDK earlier than the build date of your
kernel? That makes me suspicious about it being something to do with
removal of the KSE syscalls.
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
From owner-freebsd-java@FreeBSD.ORG Sun Mar 30 07:58:27 2008
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Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
on FreeBSD (to invoke the JVM from native software)?
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Further to the below, here's some more output:
#
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x28233838, pid=22317, tid=0x28b01100
#
# Java VM: Java HotSpot(TM) Client VM (
1.6.0_03-p3-root_16_feb_2008_09_59-b00 mixed mode)
# Problematic frame:
# V [libjvm.so+0x1b6838]
#
# An error report file with more information is saved as hs_err_pid22317.log
#
# Please submit bug reports to freebsd-java@FreeBSD.org
#
Here's the log file:
#
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x28233838, pid=22317, tid=0x28b01100
#
# Java VM: Java HotSpot(TM) Client VM (
1.6.0_03-p3-root_16_feb_2008_09_59-b00 mixed mode)
# Problematic frame:
# V [libjvm.so+0x1b6838]
#
# Please submit bug reports to freebsd-java@FreeBSD.org
#
--------------- T H R E A D ---------------
Current thread (0x28b22000): JavaThread "main" [_thread_in_vm,
id=682627328]
siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000000
Registers:
EAX=0x00000000, EBX=0x284492f8, ECX=0x28b1400c, EDX=0x28b22000
ESP=0xbfbfe7e0, EBP=0xbfbfe838, ESI=0xbfbfe7f4, EDI=0x28b22000
EIP=0x28233838, EFLAGS=0x00010282
Top of Stack: (sp=0xbfbfe7e0)
0xbfbfe7e0: 28b22000 28b22000 28b22000 2833605e
0xbfbfe7f0: 28b1400c 00000001 28b22000 284492f8
0xbfbfe800: 28b22000 28b220ec bfbfe848 2822a3dd
0xbfbfe810: 28b22000 28b14008 000004a4 28416fe8
0xbfbfe820: 0000000e 28b22000 00000000 00000001
0xbfbfe830: bfbfe904 00000000 bfbfe868 08048a54
0xbfbfe840: 28b220ec 00000000 00000000 bfbfe87c
0xbfbfe850: 28b220ec 00000000 08048b19 08048b14
Instructions: (pc=0x28233838)
0x28233828: 02 00 00 8b 45 10 c7 45 e8 0e 00 00 00 8d 75 bc
0x28233838: 8b 10 8b 42 08 8b 52 0c 83 c2 1c 66 8b 40 26 51
Stack: [0xbfa00000,0xbfc00000), sp=0xbfbfe7e0, free space=2041k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
code)
V [libjvm.so+0x1b6838]
C [test3+0xa54]
C [test3+0x961]
C [test3+0x689]
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x28beb800 JavaThread "Low Memory Detector" daemon [_thread_blocked,
id=682629632]
0x28b28000 JavaThread "CompilerThread0" daemon [_thread_blocked,
id=682629376]
0x28b27000 JavaThread "Signal Dispatcher" daemon [_thread_blocked,
id=682628608]
0x28b25800 JavaThread "Finalizer" daemon [_thread_blocked, id=682629120]
0x28b24800 JavaThread "Reference Handler" daemon [_thread_blocked,
id=682628864]
=>0x28b22000 JavaThread "main" [_thread_in_vm, id=682627328]
Other Threads:
0x28b23800 VMThread [id=682628352]
0x28bec800 WatcherThread [id=682629888]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
def new generation total 960K, used 158K [0x2ac80000, 0x2ad80000,
0x2b160000)
eden space 896K, 17% used [0x2ac80000, 0x2aca7830, 0x2ad60000)
from space 64K, 0% used [0x2ad60000, 0x2ad60000, 0x2ad70000)
to space 64K, 0% used [0x2ad70000, 0x2ad70000, 0x2ad80000)
tenured generation total 4096K, used 0K [0x2b160000, 0x2b560000,
0x2ec80000)
the space 4096K, 0% used [0x2b160000, 0x2b160000, 0x2b160200,
0x2b560000)
compacting perm gen total 12288K, used 1459K [0x2ec80000, 0x2f880000,
0x32c80000)
the space 12288K, 11% used [0x2ec80000, 0x2edecf10, 0x2eded000,
0x2f880000)
No shared spaces configured.
Dynamic libraries:
0x08048000 /mnt2/usr/home/rodney/cprog/test3/./src/test3
0x2807d000 /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
0x28862000 /lib/libthr.so.3
0x28875000 /usr/lib/libstdc++.so.6
0x2896a000 /lib/libm.so.5
0x2897f000 /lib/libgcc_s.so.1
0x2898a000 /lib/libc.so.7
0x28a90000 /usr/local/jdk1.6.0/jre/lib/i386/native_threads/libhpi.so
0x28aa2000 /usr/local/jdk1.6.0/jre/lib/i386/libverify.so
0x28aaf000 /usr/local/jdk1.6.0/jre/lib/i386/libjava.so
0x28ad6000 /usr/local/jdk1.6.0/jre/lib/i386/libzip.so
0x28adf000 /lib/libz.so.4
0x28049000 /libexec/ld-elf.so.1
VM Arguments:
java_command: <unknown>
Launcher Type: generic
Environment Variables:
PATH=/usr/local/gnu-autotools/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/root/bin
LD_LIBRARY_PATH=/usr/local/lib/R/lib:/usr/local/jdk1.6.0/lib:/usr/local/jdk1.6.0/jre/lib/i386:/usr/local/jdk1.6.0/jre/lib/i386/client:/usr/local/lib/R/library/rJava/libs:/usr/local/jdk1.6.0/jre/lib/i386/server
SHELL=/bin/csh
DISPLAY=:0
HOSTTYPE=FreeBSD
OSTYPE=FreeBSD
MACHTYPE=i386
Signal Handlers:
SIGSEGV: [libjvm.so+0x35e9c0], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGBUS: [libjvm.so+0x35e9c0], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGFPE: [libjvm.so+0x2a4bd0], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGPIPE: [libjvm.so+0x2a4bd0], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGILL: [libjvm.so+0x2a4bd0], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: [libjvm.so+0x2a6c10], sa_mask[0]=0x00000000, sa_flags=0x00000042
SIGHUP: [libjvm.so+0x2a5c70], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGINT: [libjvm.so+0x2a5c70], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGQUIT: [libjvm.so+0x2a5c70], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGTERM: [libjvm.so+0x2a5c70], sa_mask[0]=0xfffefeff, sa_flags=0x00000042
SIGUSR2: [libjvm.so+0x2a6c10], sa_mask[0]=0x00000000, sa_flags=0x00000042
--------------- S Y S T E M ---------------
OS:Bsd
uname:FreeBSD 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC
2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
rlimit: STACK 65536k, CORE infinity, NPROC 5547, NOFILE 11095
CPU:total 1 (1 cores per cpu, 1 threads per core) family 6 model 13 stepping
6, cmov, cx8, fxsr, mmx, sse, sse2
Memory: 4k page, physical 764700k(191175k free)
vm_info: Java HotSpot(TM) Client VM (1.6.0_03-p3-root_16_feb_2008_09_59-b00)
for bsd-x86, built on Feb 16 2008 11:10:46 by "root" with gcc
4.2.120070719 [FreeBSD]
I'm going to try rebuilding jdk16 again.
On Sun, Mar 30, 2008 at 6:45 AM, Rodney Hoskinson <funkyrod@gmail.com>
wrote:
> Nick
>
> Thanks,
>
> I'm still having trouble trying to invoke the JVM from FreeBSD.
> I compiled and ran the simple C++ JNI invocation program below, linked
> against
> jdk1.6.0 on FreeBSD7.0-Release. (Tried linking against diablo-jdk1.5.0also -
> same result).
>
> I got the same result as trying to run rJava: Program received signal
> SIGSYS
> (Bad system call).
>
>
>
> or in gdb:
>
> # gdb ./a.out
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for
> details.
> This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols
> found)...
> (gdb) run
> Starting program: /usr/home/test3/src/a.out
> (no debugging symbols found)...(no debugging symbols found)...(no
> debugging
> symbols found)...(no debugging symbols found)...(no debugging symbols
> found)...(no debugging symbols found)...[New LWP 100131]
> (no debugging symbols found)...[New Thread 0x28b01100 (LWP 100131)]
> (no debugging symbols found)...(no debugging symbols found)...(no
> debugging
> symbols found)...(no debugging symbols found)...(no debugging symbols
> found)...[New Thread 0x28b01300 (LWP 100192)]
> [New Thread 0x28b01500 (LWP 100193)]
> [New Thread 0x28b01600 (LWP 100203)]
>
> Program received signal SIGSYS, Bad system call.
> [Switching to Thread 0x28b01100 (LWP 100131)]
> 0x289bb86b in ksem_init () from /lib/libc.so.7
> (gdb) bt
> #0 0x289bb86b in ksem_init () from /lib/libc.so.7
> #1 0x289b1229 in sem_init () from /lib/libc.so.7
> #2 0x28321e59 in os::signal_init_pd ()
> from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
> #3 0x2831fb62 in os::signal_init ()
> from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
> #4 0x283aa342 in Threads::create_vm ()
> from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
> #5 0x2821b736 in JNI_CreateJavaVM ()
> from /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so
> #6 0xbfbfe80b in ?? ()
> #7 0x00000000 in ?? ()
> #8 0x00000000 in ?? ()
> #9 0x00000000 in ?? ()
> #10 0xbfbfe868 in ?? ()
> #11 0xffffffff in ?? ()
> #12 0x28077000 in ?? ()
> #13 0x00000018 in ?? ()
> #14 0x28b0c000 in ?? ()
> #15 0x01bfe850 in ?? ()
> #16 0x00000001 in ?? ()
> #17 0xbfbfe8b0 in ?? ()
> #18 0x00000000 in ?? ()
> #19 0xbfbfe868 in ?? ()
> #20 0x080488ea in main ()
> (gdb)
>
>
> Invocation program, built with compiler flags:
>
> -I/usr/local/jdk1.6.0/include -I/usr/local/jdk1.6.0/include/freebsd
> -L/usr/local/jdk1.6.0/jre/lib/i386/server -ljvm
>
> #ifdef HAVE_CONFIG_H
> #include <config.h>
> #endif
>
>
>
> using namespace std;
>
> #include <iostream>
> #include <cstdlib>
> #include <jni.h> /* where everything is defined */
>
>
>
> int main(int argc, char *argv[])
> {
>
> JavaVM *jvm; /* denotes a Java VM */
> JNIEnv *env; /* pointer to native method interface */
> JavaVMInitArgs vm_args; /* JDK/JRE 6 VM initialization arguments */
> JavaVMOption* options = new JavaVMOption[1];
> options[0].optionString = "-Djava.class.path=/usr/local/jdk1.6.0/java";
> vm_args.version = JNI_VERSION_1_6;
> vm_args.nOptions = 1;
> vm_args.options = options;
> vm_args.ignoreUnrecognized = false;
> /* load and initialize a Java VM, return a JNI interface
> * pointer in env */
> JNI_CreateJavaVM(&jvm,(void **)&env, &vm_args);
> delete options;
> /* invoke the Main.test method using the JNI */
> jclass cls = env->FindClass("Main");
> jmethodID mid = env->GetStaticMethodID(cls, "test", "(I)V");
> env->CallStaticVoidMethod(cls, mid, 100);
> /* We are done. */
> jvm->DestroyJavaVM();
>
> return EXIT_SUCCESS;
> }
>
> I'm stumped as to why JNI invocation appears not to work for me on
> FreeBSD.
>
> On Sunday 30 March 2008 01:53:52 Nick Johnson wrote:
> > Yeah, it works. Take a look at jsvc that ships with Tomcat 6. It binds
> > to a port, drops root permission and creates a JVM and does back and
> forth
> > communication with Tomcat.
> >
> > Nick
> >
> > On Sat, 29 Mar 2008, Rod wrote:
> > > I'm having trouble using JNI software on FreeBSD.
> > > In summary:
> > > - I'm able to call native routines from a Java VM via JNI
> > > - However in the other direction JNI seems not to work. I can't create
> a
> > > JVM via JNI from native software.
> > > Admittedly, I'm using one specific software (R with rJava) and haven't
> > > tried running my own JNI software.
> > >
> > > What I'm noticing is that a call to JNI_CreateJavaVM () in
> > > /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so results in SIGSYS,
> Bad
> > > Sytem Call.
> > >
> > > Here's my output from running R with rJava under gdb with a stack
> > > backtrace. It all seems to go pear-shaped at JNI_CreateJavaVM () :
>
>
>
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From: Rod <funkyrod@gmail.com>
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Cc: freebsd-java@freebsd.org
Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
on FreeBSD (to invoke the JVM from native software)?
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I built the jdk16 originally under a FreeBSD7.0 installation that I had
updated to 7-Release from pre-release via buildworld/buildkernel.
The output below was from running under a fresh install of
7.0-Releaseinstalled from the
7.0-Release binaries (from the CDs). I installed the jdk16 that I had built
under the older buildworlded 7.0-Release onto the fresh binary installed
7.0-Release (which I installed clean specifically to investigate this
problem).
I'm now rebuilding jdk16 under the fresh 7.0-Release to see if that helps.
Thanks for your help so far everyone - I've posted some further details
(output log from the invocation test program).
Greg I'm not sure what you're referring to regarding removal of KSE
syscalls. What would be the implications in this situation?
I'm currently rebuilding jdk16 under the clean binary install of 7-Release
(i386) to see if that helps.
Regards
On Sun, Mar 30, 2008 at 7:56 AM, Greg Lewis <glewis@eyesbeyond.com> wrote:
> On Sat, Mar 29, 2008 at 06:36:11AM +0000, Rod wrote:
> > I'm running this under a clean install of 7-Release I386:
> >
> > # uname -a
> > FreeBSD 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC
> > 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
> >
> > I was getting the same result on my existing installation, so in case it
> was
> > some mix-up with libraries I tried new installations of 7-Release and
> also
> > PCBSD-1.5 (based on 6.3), both with the same result.
> >
> > I've tried Java 1.6 built from ports (usr/ports/java/jdk16)
> >
> > # java -version
> > java version "1.6.0_03-p3"
> > Java(TM) SE Runtime Environment (build
> > 1.6.0_03-p3-root_16_feb_2008_09_59-b00)
> > Java HotSpot(TM) Client VM (build 1.6.0_03-p3-root_16_feb_2008_09_59-b00
> ,
> > mixed mode)
>
> So why is the build date from the JDK earlier than the build date of your
> kernel? That makes me suspicious about it being something to do with
> removal of the KSE syscalls.
>
> --
> Greg Lewis Email : glewis@eyesbeyond.com
> Eyes Beyond Web : http://www.eyesbeyond.com
> Information Technology FreeBSD : glewis@FreeBSD.org
>
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Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
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On Sun, Mar 30, 2008 at 08:23:52AM +0000, Rod wrote:
> I built the jdk16 originally under a FreeBSD7.0 installation that I had
> updated to 7-Release from pre-release via buildworld/buildkernel.
>
> The output below was from running under a fresh install of
> 7.0-Releaseinstalled from the
> 7.0-Release binaries (from the CDs). I installed the jdk16 that I had built
> under the older buildworlded 7.0-Release onto the fresh binary installed
> 7.0-Release (which I installed clean specifically to investigate this
> problem).
>
> I'm now rebuilding jdk16 under the fresh 7.0-Release to see if that helps.
Sounds like a sensible thing to try.
> Thanks for your help so far everyone - I've posted some further details
> (output log from the invocation test program).
>
> Greg I'm not sure what you're referring to regarding removal of KSE
> syscalls. What would be the implications in this situation?
My bad, that has only happened in -current not in 7.x, so ignore that. I
was thinking of a reason that you'd get a SIGSYS (which means you're
invoking a non-existent syscall). Removal of the KSE syscalls would fit
that, but it hasn't happened in 7.x so that can't be the case.
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
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Date: Sun, 30 Mar 2008 21:59:08 -0300
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Subject: Azureus + 7-STABLE == Slow download + No Upload
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Is anyone running Azureus on 7-STABLE and getting decent performance from it?
I just upgraded to 7-STABLE, installed /usr/ports/java/jdk15 (instead of
diablo) so that it uses libthr (checked with ldd), and now I'm barely able to
get one downloaded, let alone multiple, and almost nothing uploaded ...
I've added:
"-Djava.net.preferIPv4Stack=true"
to /usr/local/bin/azureus, but, from reading the jdk15 makefile, IPv6 is only
enabled if/when you do WITH_IPV6, and I don't have that in my make.conf file,
therefore this shouldn't affect anything ...
I have nothing in my /etc/libmap.conf file ...
So, if there a problem, or am I missing something?
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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Cc: emulation@freebsd.org, java@freebsd.org
Subject: Re: linux-jdk and linux-firefox
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On =D0=CF=CE=C5=C4=A6=CC=CF=CB 24 =C2=C5=D2=C5=DA=C5=CE=D8 2008, Daniel Eis=
chen wrote:
=3D > I'd love to use the native java with the native browser, but I /also/
=3D > need the ICA Citrix plugin in the same session, which is only availab=
le
=3D > for Linux.
=3D=20
=3D Do you really need the ICA Citrix plugin? =9ACan you get by
=3D with net/{gkx}rdesktop?
Yes, I really do need Citrix... The remote access "solution" I'm trying to =
use=20
was designed by people I don't even know, much less have any influence over.
Also, using linux-firefox is the ONLY solution for Java plugin on amd64 -- =
the=20
native plugin is not available on 64-bit platforms due to an unfortunate bu=
g=20
(Sun's -- a pointer is cast to an explicitly 32-bit integer), which FreeBSD=
=20
are yet to locally patch:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=3D4802695
The patch is rather trivial, but it is a different subject...
So, what about linux-jdk and linux-firefox? Is not our linuxulator somewhat=
=20
incomplete without this combo working perfectly?
I can add more details -- linux-sun-jdk16 never works (hangs). linux-sun-jd=
k15=20
works sometimes (about 40% of the time), other times it dumps "java core" i=
n=20
the form of an hs_err*.log file and the browser needs restarting...
Once again, does anybody have Java plugin working in linux-firefox?
-mi
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 07:29:46 2008
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To: Mikhail Teterin <mi+kde@aldan.algebra.com>
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Cc: Daniel Eischen <deischen@FreeBSD.org>, emulation@FreeBSD.org,
java@FreeBSD.org
Subject: Re: linux-jdk and linux-firefox
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On Mon, Mar 31, 2008 at 02:00:15AM -0400, Mikhail Teterin wrote:
> On ????????? 24 ???????? 2008, Daniel Eischen wrote:
> = > I'd love to use the native java with the native browser, but I /also/
> = > need the ICA Citrix plugin in the same session, which is only available
> = > for Linux.
> =
> = Do you really need the ICA Citrix plugin? ?Can you get by
> = with net/{gkx}rdesktop?
>
> Yes, I really do need Citrix... The remote access "solution" I'm trying to use
> was designed by people I don't even know, much less have any influence over.
>
> Also, using linux-firefox is the ONLY solution for Java plugin on amd64 -- the
> native plugin is not available on 64-bit platforms due to an unfortunate bug
> (Sun's -- a pointer is cast to an explicitly 32-bit integer), which FreeBSD
> are yet to locally patch:
>
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4802695
>
> The patch is rather trivial, but it is a different subject...
First, the native ports do support the Java plugin on amd64. In fact,
BSD is the only OS that I know of to support the plugin on amd64.
Second, the work to make the plugin 64 bit clean was far from trivial,
so you either didn't read the bug you've linked to or you're being
facetious.
> So, what about linux-jdk and linux-firefox? Is not our linuxulator somewhat
> incomplete without this combo working perfectly?
>
> I can add more details -- linux-sun-jdk16 never works (hangs). linux-sun-jdk15
> works sometimes (about 40% of the time), other times it dumps "java core" in
> the form of an hs_err*.log file and the browser needs restarting...
>
> Once again, does anybody have Java plugin working in linux-firefox?
>
> -mi
> _______________________________________________
> freebsd-java@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-java
> To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org"
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
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Date: Mon, 31 Mar 2008 10:31:12 +0200
From: "Joakim Fogelberg" <joafog.lists@gmail.com>
To: "Marc G. Fournier" <scrappy@hub.org>
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Cc: freebsd-stable@freebsd.org, freebsd-java@freebsd.org
Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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On Mon, Mar 31, 2008 at 2:59 AM, Marc G. Fournier <scrappy@hub.org> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
> Is anyone running Azureus on 7-STABLE and getting decent performance from it?
>
> I just upgraded to 7-STABLE, installed /usr/ports/java/jdk15 (instead of
> diablo) so that it uses libthr (checked with ldd), and now I'm barely able to
> get one downloaded, let alone multiple, and almost nothing uploaded ...
>
> I've added:
>
> "-Djava.net.preferIPv4Stack=true"
>
> to /usr/local/bin/azureus, but, from reading the jdk15 makefile, IPv6 is only
> enabled if/when you do WITH_IPV6, and I don't have that in my make.conf file,
> therefore this shouldn't affect anything ...
>
> I have nothing in my /etc/libmap.conf file ...
>
> So, if there a problem, or am I missing something?
>
>
> - --
> Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
> Email . scrappy@hub.org MSN . scrappy@hub.org
> Yahoo . yscrappy Skype: hub.org ICQ . 7615664
> -----BEGIN PGP SIGNATURE-----
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> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
>
I believe I had the same problem with 7.0-prerelease + Azureus +
jdk15. If I remember correct, I could only download from other Azureus
clients. I had no time to even try to find out why. I simply installed
deluge instead.
--
Joakim Fogelberg
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 09:03:08 2008
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From: Achilleas Mantzios <achill@matrix.gatewaynet.com>
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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=D3=F4=E9=F2 Monday 31 March 2008 11:31:12 =EF/=E7 Joakim Fogelberg =DD=E3=
=F1=E1=F8=E5:
> On Mon, Mar 31, 2008 at 2:59 AM, Marc G. Fournier <scrappy@hub.org> wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> >
> > Is anyone running Azureus on 7-STABLE and getting decent performance f=
rom it?
> >
> > I just upgraded to 7-STABLE, installed /usr/ports/java/jdk15 (instead =
of
> > diablo) so that it uses libthr (checked with ldd), and now I'm barely =
able to
> > get one downloaded, let alone multiple, and almost nothing uploaded ...
> >
> > I've added:
> >
> > "-Djava.net.preferIPv4Stack=3Dtrue"
> >
> > to /usr/local/bin/azureus, but, from reading the jdk15 makefile, IPv6 =
is only
> > enabled if/when you do WITH_IPV6, and I don't have that in my make.con=
f file,
> > therefore this shouldn't affect anything ...
> >
> > I have nothing in my /etc/libmap.conf file ...
> >
> > So, if there a problem, or am I missing something?
> >
> >
> > - --
> > Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub=
=2Eorg)
> > Email . scrappy@hub.org MSN . scrappy@hub=
=2Eorg
> > Yahoo . yscrappy Skype: hub.org ICQ . 7615664
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v2.0.4 (FreeBSD)
> >
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> >
> > _______________________________________________
> > freebsd-stable@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.o=
rg"
> >
>=20
> I believe I had the same problem with 7.0-prerelease + Azureus +
> jdk15. If I remember correct, I could only download from other Azureus
> clients. I had no time to even try to find out why. I simply installed
> deluge instead.
>=20
Azureus sucks even in windows.
=2D-=20
Achilleas Mantzios
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 10:01:42 2008
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Date: Mon, 31 Mar 2008 12:33:40 +0300
From: "Aliaksandr Voitau" <voitau@gmail.com>
To: freebsd-java@freebsd.org
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Subject: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Hi, freebsd-java,
Are there any plans to update jdk ports in accordance with recently updated
versions (1.5.0_15, 1.6.0_05)? (since all previous are already not available
for download officially)
Thanks!
Alex.
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 10:25:22 2008
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Cc: freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Aliaksandr Voitau wrote:
> Hi, freebsd-java,
>
> Are there any plans to update jdk ports in accordance with recently updated
> versions (1.5.0_15, 1.6.0_05)? (since all previous are already not available
> for download officially)
>
A side note diablo also needs to be rebuilt to get rid of kse references.
> Thanks!
> Alex.
> _______________________________________________
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> http://lists.freebsd.org/mailman/listinfo/freebsd-java
> To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org"
>
>
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 11:07:04 2008
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Subject: Current problem reports assigned to freebsd-java@FreeBSD.org
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Current FreeBSD problem reports
Critical problems
Serious problems
S Tracker Resp. Description
--------------------------------------------------------------------------------
s ports/60083 java java/jdk14 - Unsafe use of getaddrinfo in jvm 1.4.2-p5
o java/105482 java diablo-jdk1.5.0/jdk-1.5.0 java.nio.Selector bug
o java/110912 java Java krb5 client leaks UDP connections
o java/112595 java Java appletviewer frequently hangs (kse_release loop)
o ports/113467 java Multiple "missing return value" errors building JDK on
o java/114644 java tomcat goes out of PermSpace, jvm crashes
o java/118496 java Eclipse packages do not work with 6.3-RC1/amd64
o java/118956 java eclipse and netbeans break on diablo-jdk15
o ports/119732 java java/linux-sun-jre16: linux-sun-jre16 plugin doesn't w
o ports/121420 java java/jdk16: Java applet fails to find class under fire
o java/121692 java java/jdk16: Java 1.5 1.5.0.14p8 crashes in RMI TCP Con
11 problems total.
Non-critical problems
S Tracker Resp. Description
--------------------------------------------------------------------------------
s ports/56928 java jce-aba port should install to $JAVA_HOME/jre/lib/ext
s java/62837 java linux-sun-jdk14 executables hang with COMPAT_LINUX in
o ports/84742 java make ports/java/jdk14 use dynamic Motif librarires
o java/97461 java Diablo JDK does not report Update level in a format su
o ports/113751 java java/linux-sun-jdk15: linux-sun-jdk-1.5.0.12,2 - java
o ports/115279 java [UPDATE] java/java3d to 1.5.1
o java/115773 java [request] java.nio channel selectors should use kqueue
o ports/116082 java java/linux-sun-jdk16 jconsole is unable to connect to
o java/116667 java linux-sun-javac1.4 hangs on SMP
o ports/116841 java cannot build java/jdk16 by using java/linux-sun-jdk16
o java/119063 java An unexpected error has been detected by Java Runtime
o java/119654 java jdk 1.6: java.awt.SplashScreen#getSplashScreen throws
o java/120146 java netbeans 6.0 crash on amd64
a ports/120959 java java/sablevm-classpath did not build/install from port
o ports/121416 java java/jdk15 can't build if BIN environment variable is
15 problems total.
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 13:32:54 2008
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Date: Mon, 31 Mar 2008 13:32:51 +0000
From: Rod <funkyrod@gmail.com>
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Cc: freebsd-java@freebsd.org
Subject: Re: Is JNI (Java Native Interface) Known to Work in Both Directions
on FreeBSD (to invoke the JVM from native software)?
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Guys
Thanks for your help with this.
After re-building jdk16, I was able to run the simple c++ invocation program
to invoke a JVM via the JNI.
For some reason however, I still get the SIGSYS with R and rJava so I'll
contact the rJava developers next.
Regards
Rod.
On Sun, Mar 30, 2008 at 3:16 PM, Greg Lewis <glewis@eyesbeyond.com> wrote:
> On Sun, Mar 30, 2008 at 08:23:52AM +0000, Rod wrote:
> > I built the jdk16 originally under a FreeBSD7.0 installation that I had
> > updated to 7-Release from pre-release via buildworld/buildkernel.
> >
> > The output below was from running under a fresh install of
> > 7.0-Releaseinstalled from the
> > 7.0-Release binaries (from the CDs). I installed the jdk16 that I had
> built
> > under the older buildworlded 7.0-Release onto the fresh binary installed
> > 7.0-Release (which I installed clean specifically to investigate this
> > problem).
> >
> > I'm now rebuilding jdk16 under the fresh 7.0-Release to see if that
> helps.
>
> Sounds like a sensible thing to try.
>
> > Thanks for your help so far everyone - I've posted some further details
> > (output log from the invocation test program).
> >
> > Greg I'm not sure what you're referring to regarding removal of KSE
> > syscalls. What would be the implications in this situation?
>
> My bad, that has only happened in -current not in 7.x, so ignore that. I
> was thinking of a reason that you'd get a SIGSYS (which means you're
> invoking a non-existent syscall). Removal of the KSE syscalls would fit
> that, but it hasn't happened in 7.x so that can't be the case.
>
> --
> Greg Lewis Email : glewis@eyesbeyond.com
> Eyes Beyond Web : http://www.eyesbeyond.com
> Information Technology FreeBSD : glewis@FreeBSD.org
>
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 13:51:13 2008
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Cc: Daniel Eischen <deischen@freebsd.org>, emulation@freebsd.org,
java@freebsd.org
Subject: native Java plugin for 64-bit (Re: linux-jdk and linux-firefox)
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On =D0=CF=CE=C5=C4=A6=CC=CF=CB 31 =C2=C5=D2=C5=DA=C5=CE=D8 2008, Greg Lewis=
wrote:
=3D First, the native ports do support the Java plugin on amd64. =9AIn fact,
=3D BSD is the only OS that I know of to support the plugin on amd64.
=3D Second, the work to make the plugin 64 bit clean was far from trivial,
=3D so you either didn't read the bug you've linked to or you're being
=3D facetious.
I'm sorry, Greg, I thought, it is still unavailable. I did not read the pag=
e=20
in full, because I had my own recollection of the matter -- some years ago =
I=20
tried building the plugin myself and saw the problem with the cast somewher=
e=20
in it... I think, we even had a conversation on the subject, but I can not=
=20
find it :(
But, anyway, I still need Citrix and thus can not use the native browser...
Can anyone respond to the original question? Thanks!
-mi
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 19:08:43 2008
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Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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On Mon, Mar 31, 2008 at 12:33:40PM +0300, Aliaksandr Voitau wrote:
> Are there any plans to update jdk ports in accordance with recently updated
> versions (1.5.0_15, 1.6.0_05)? (since all previous are already not available
> for download officially)
jdk15 is being done. jdk16 can't be done until Sun release the source for
Update 5. You could speed up the linux ports updates by submitting patches :-).
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
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On Mon, Mar 31, 2008 at 06:25:13AM -0400, Aryeh M. Friedman wrote:
> Aliaksandr Voitau wrote:
> >Hi, freebsd-java,
> >
> >Are there any plans to update jdk ports in accordance with recently updated
> >versions (1.5.0_15, 1.6.0_05)? (since all previous are already not
> >available
> >for download officially)
> >
>
> A side note diablo also needs to be rebuilt to get rid of kse references.
Very unlikely to happen unless someone wants to fund this. You can't just
rebuild it, you've got to rebuild it and then run it through the JCK tests
again. Time is much more likely to be invested in getting a Diablo release
for 1.6 done rather than updating the 1.5 release unless someone is paid
to do it.
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 19:50:20 2008
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Cc: Aliaksandr Voitau <voitau@gmail.com>, freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Greg Lewis wrote:
> On Mon, Mar 31, 2008 at 06:25:13AM -0400, Aryeh M. Friedman wrote:
>
>> Aliaksandr Voitau wrote:
>>
>>> Hi, freebsd-java,
>>>
>>> Are there any plans to update jdk ports in accordance with recently updated
>>> versions (1.5.0_15, 1.6.0_05)? (since all previous are already not
>>> available
>>> for download officially)
>>>
>>>
>> A side note diablo also needs to be rebuilt to get rid of kse references.
>>
>
> Very unlikely to happen unless someone wants to fund this. You can't just
> rebuild it, you've got to rebuild it and then run it through the JCK tests
> again. Time is much more likely to be invested in getting a Diablo release
> for 1.6 done rather than updating the 1.5 release unless someone is paid
> to do it.
>
>
Valid SoC project? If so I will make an application for it. (I already
applied for ports 2.0 but will make this my alt)
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 20:16:19 2008
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Cc: Aliaksandr Voitau <voitau@gmail.com>, freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Aryeh M. Friedman writes:
> >>> Are there any plans to update jdk ports in accordance with
> >>> recently updated versions (1.5.0_15, 1.6.0_05)? (since all
> >>> previous are already not available for download officially)
> >>>
> >> A side note diablo also needs to be rebuilt to get rid of kse references.
> >
> > Very unlikely to happen unless someone wants to fund this. You can't just
> > rebuild it, you've got to rebuild it and then run it through the JCK tests
> > again. Time is much more likely to be invested in getting a Diablo release
> > for 1.6 done rather than updating the 1.5 release unless someone is paid
> > to do it.
>
> Valid SoC project? If so I will make an application for it. (I
> already applied for ports 2.0 but will make this my alt)
As I understand things, the obstacle is not "rebuild it" but
"run it through the JCK tests again". The latter takes time, it
takes (five digits ?? of) money, and it takes one or more Official
People babysitting the process.
Diablo-1.5 happened in part because a third party thought it
worth their effort to fund the effort. Given a viable successor is
already in the field, it would seem to ake sense for them to fund
that ... if they fund anything at all.
Robert Huff
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 20:30:15 2008
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Cc: "Aryeh M. Friedman" <aryeh.friedman@gmail.com>, freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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On Mon, Mar 31, 2008 at 04:03:55PM -0400, Robert Huff wrote:
> Aryeh M. Friedman writes:
> > >>> Are there any plans to update jdk ports in accordance with
> > >>> recently updated versions (1.5.0_15, 1.6.0_05)? (since all
> > >>> previous are already not available for download officially)
> > >>>
> > >> A side note diablo also needs to be rebuilt to get rid of kse references.
> > >
>
> > > Very unlikely to happen unless someone wants to fund this. You can't just
> > > rebuild it, you've got to rebuild it and then run it through the JCK tests
> > > again. Time is much more likely to be invested in getting a Diablo release
> > > for 1.6 done rather than updating the 1.5 release unless someone is paid
> > > to do it.
> >
> > Valid SoC project? If so I will make an application for it. (I
> > already applied for ports 2.0 but will make this my alt)
>
> As I understand things, the obstacle is not "rebuild it" but
> "run it through the JCK tests again". The latter takes time, it
> takes (five digits ?? of) money, and it takes one or more Official
> People babysitting the process.
> Diablo-1.5 happened in part because a third party thought it
> worth their effort to fund the effort. Given a viable successor is
> already in the field, it would seem to ake sense for them to fund
> that ... if they fund anything at all.
The monetary cost of doing it I was speaking of was to pay someone to do it
(the Foundation has previously done this as contract work). If the
Foundation were willing, a volunteer could do this. The volunteer would
need to be ready for a significant time investment and be familiar
with the JDK build process and code. All the current porting volunteer
time being spent on Diablo is being spent on 1.6. The next most pressing
project that is ongoing has to do with OpenJDK, which will heopfully make
these binary releases obsolete to some extent. Given that, its unlikely
that one of the current porting team is going to look at updating the
current 1.5 binary.
I don't know if this is a valid SoC project or not since I'm not sure what
qualifies as one. If you have to be able to show code at the end of it
then it isn't, since the code would be restricted.
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 21:01:17 2008
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Cc: Dominic Bishop <dom@bishnet.net>
Subject: Re: File descriptor leaks under java 1.6
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On Sunday 23 March 2008 3:13:33 pm Dominic Bishop wrote:
> I have an application that makes use of 2 way socket communcations, so uses
> Socket/ServerSocket, this is all standard IO, no java.nio is involved.
>
> When running this under diablo 1.5 everything works fine, watching allocated
> file descriptors with lsof shows nothing abnormal whatsoever.
>
> If I run this under a port build JDK 1.6 then it starts leaking file
> descriptors originating from TCP, until eventually the available descriptors
> are exhausted and the application crashes with a 'too many open files'
> error.
>
> I've tried both patchset 3 and 4 of the port, under amd64 and i386
> architecture FreeBSD 6.3 and the same problem occurs under all
> circumstances.
>
> The problem file descriptors in the lsof output appear as:
>
> java 47065 djb 46u IPv4 0xffffff01354a4000 0t0 TCP *:*
> (CLOSED)
> java 47065 djb 47u IPv4 0xffffff006b2875f0 0t0 TCP *:*
> (CLOSED)
> java 47065 djb 48u IPv4 0xffffff0001bdcbe0 0t0 TCP *:*
> (CLOSED)
> java 47065 djb 49u IPv4 0xffffff015924c000 0t0 TCP *:*
> (CLOSED)
> java 47065 djb 50u IPv4 0xffffff01375078e8 0t0 TCP *:*
> (CLOSED)
>
> I ran the application with -Xrunhprof enabled under jdk 1.6 and then used
> jhat to look at the resulting dump.
>
> I managed to determine from this that the FD number (ie 46u) corresponds to
> the 'fd' field in a java.io.FileDescriptor instance.
>
> Using the Object Query Language in jhat I went looking for these file
> descriptor instances using:
>
> 'select f from java.io.FileDescriptor f where f.fd == ##'
>
> For numbers which were genuine file descriptors (ie connected sockets etc)
> this would always find the file descriptor instance and walking through the
> referenced objects/fields it was clear it had located the correct file
> descriptor. By that I mean the connected address, or for actual files, the
> pointed to filename agreed with the lsof output.
>
> If however I tried this query looking for file descriptor numbers which lsof
> was showing in the CLOSED state then it would fail to find them at all, so
> no FileDescriptor instance in the java heap referenced these file descriptor
> numbers.
>
> To make sure I did a:
> 'select f.fd from java.io.FileDescriptor f'
>
> This listed the 'fd' field value for all instances of java.io.FileDescriptor
> in the heap, I had numbers for the ones expected (ie actual bound sockets,
> open files/pipes etc that lsof showed) as well as quite a few set to -1 and
> a lot set to 0. Presumably these last 2 are either newly created instances
> or ones awaiting garbage collection.
>
> I've basically completely run out of ideas as to where these file
> descriptors are leaking, and given the working behaviour under diablo 1.5
> and the lack of references in the heap dump I'm no longer sure that this is
> actually a problem in my code.
>
> Anyone more familiar with the JVM internals got any suggestions as to where
> to go next?
Hi Dominic,
My next step would be to create a minimal test case and post it here to see if
others can reproduce it. A minimal test case is also useful to narrow the scope
of what JVM code needs to be reviewed to find the cause.
-Kurt
From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 22:09:52 2008
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Date: Mon, 31 Mar 2008 18:49:05 -0300
From: "Marc G. Fournier" <freebsd@hub.org>
To: Achilleas Mantzios <achill@matrix.gatewaynet.com>, freebsd-java@freebsd.org
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- --On Monday, March 31, 2008 11:03:02 +0200 Achilleas Mantzios
<achill@matrix.gatewaynet.com> wrote:
> Azureus sucks even in windows.
Alternate recommendations? Someone mentioned deluge to me ... is there
something better yet?
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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From owner-freebsd-java@FreeBSD.ORG Mon Mar 31 23:04:37 2008
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From: Jonathan Chen <jonc@chen.org.nz>
To: "Marc G. Fournier" <freebsd@hub.org>
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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On Mon, Mar 31, 2008 at 06:49:05PM -0300, Marc G. Fournier wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
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>
>
> - --On Monday, March 31, 2008 11:03:02 +0200 Achilleas Mantzios
> <achill@matrix.gatewaynet.com> wrote:
>
> > Azureus sucks even in windows.
>
> Alternate recommendations? Someone mentioned deluge to me ... is there
> something better yet?
There's ktorrent for KDE; but if you're using Gnome, I would go with
deluge. It's pretty lightweight compared to Azureus.
Cheers.
--
Jonathan Chen <jonc@chen.org.nz>
----------------------------------------------------------------------
Experience is a hard teacher
because she gives the test first, the lesson afterwards
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Subject: Re: java v. procfs
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On 29 March 2008, Kevin Downey wrote:
> I was having trouble getting java to work and I googled and found a
> site that said they don't mix. When I unmounted /proc java started
> working. I would kind of like to have both since /proc is needed for
> gnome.
>
>
> % sudo mount -t procfs null /proc
> % java -cp /usr/local/share/java/classes/jline.jar:clojure.jar
> jline.ConsoleRunner clojure.lang.Repl
> Error: could not find libjava.so
> Error: could not find Java 2 Runtime Environment.
Confirmed this on Intel Core 2 Duo systems.
On single-core systems java and procfs can coexist.
Is it SMP-related bug in procfs implementation?
--
Дмитрий Ð. Панов
ÐдминиÑтратор ЛВС
ГоÑударÑÑ‚Ð²ÐµÐ½Ð½Ð°Ñ ÐÐºÐ°Ð´ÐµÐ¼Ð¸Ñ Ðкономики и Права
ХабаровÑк, РоÑÑиÑ
From owner-freebsd-java@FreeBSD.ORG Tue Apr 1 00:37:56 2008
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Date: Mon, 31 Mar 2008 20:37:02 -0400
From: "Aryeh M. Friedman" <aryeh.friedman@gmail.com>
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Cc: Robert Huff <roberthuff@rcn.com>, freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Greg Lewis wrote:
> On Mon, Mar 31, 2008 at 04:03:55PM -0400, Robert Huff wrote:
>
>> Aryeh M. Friedman writes:
>>
>>> >>> Are there any plans to update jdk ports in accordance with
>>> >>> recently updated versions (1.5.0_15, 1.6.0_05)? (since all
>>> >>> previous are already not available for download officially)
>>> >>>
>>> >> A side note diablo also needs to be rebuilt to get rid of kse references.
>>> >
>>>
>>> > Very unlikely to happen unless someone wants to fund this. You can't just
>>> > rebuild it, you've got to rebuild it and then run it through the JCK tests
>>> > again. Time is much more likely to be invested in getting a Diablo release
>>> > for 1.6 done rather than updating the 1.5 release unless someone is paid
>>> > to do it.
>>>
>>> Valid SoC project? If so I will make an application for it. (I
>>> already applied for ports 2.0 but will make this my alt)
>>>
>> As I understand things, the obstacle is not "rebuild it" but
>> "run it through the JCK tests again". The latter takes time, it
>> takes (five digits ?? of) money, and it takes one or more Official
>> People babysitting the process.
>> Diablo-1.5 happened in part because a third party thought it
>> worth their effort to fund the effort. Given a viable successor is
>> already in the field, it would seem to ake sense for them to fund
>> that ... if they fund anything at all.
>>
>
> The monetary cost of doing it I was speaking of was to pay someone to do it
> (the Foundation has previously done this as contract work). If the
> Foundation were willing, a volunteer could do this. The volunteer would
> need to be ready for a significant time investment and be familiar
> with the JDK build process and code. All the current porting volunteer
> time being spent on Diablo is being spent on 1.6. The next most pressing
> project that is ongoing has to do with OpenJDK, which will heopfully make
> these binary releases obsolete to some extent. Given that, its unlikely
> that one of the current porting team is going to look at updating the
> current 1.5 binary.
>
> I don't know if this is a valid SoC project or not since I'm not sure what
> qualifies as one. If you have to be able to show code at the end of it
> then it isn't, since the code would be restricted.
>
>
My understanding is I just need to show a deliverable of some kind
(binary is fine). I am familiar with the JDK build process but not the
code (but do have a solid course work background in VM's and Compilor
Theory as well I have read the JVM spec as well as the class format spec
as well as 25 years experience in general coding before returning to
school). Since the deadline for appiling for SoC is tonight I will file
the application immediately (I can always revise it). Some things I
will have to guess at. I will post a copy of the application as a
reply to this thread. The way I understand it someone like Greg would
need to be my "mentor".
From owner-freebsd-java@FreeBSD.ORG Tue Apr 1 01:07:06 2008
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Date: Mon, 31 Mar 2008 21:06:58 -0400
From: "Aryeh M. Friedman" <aryeh.friedman@gmail.com>
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Cc: Robert Huff <roberthuff@rcn.com>, freebsd-java@freebsd.org
Subject: Re: Obsolete jdk15, jdk16, linux-sun-jdk15, linux-sun-jdk16
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Aryeh M. Friedman wrote:
> Greg Lewis wrote:
>> On Mon, Mar 31, 2008 at 04:03:55PM -0400, Robert Huff wrote:
>>
>>> Aryeh M. Friedman writes:
>>>
>>>> >>> Are there any plans to update jdk ports in accordance with
>>>> >>> recently updated versions (1.5.0_15, 1.6.0_05)? (since all
>>>> >>> previous are already not available for download officially)
>>>> >>> >> A side note diablo also needs to be rebuilt to get rid of
>>>> kse references.
>>>> >
>>>> > Very unlikely to happen unless someone wants to fund
>>>> this. You can't just
>>>> > rebuild it, you've got to rebuild it and then run it through the
>>>> JCK tests
>>>> > again. Time is much more likely to be invested in getting a
>>>> Diablo release
>>>> > for 1.6 done rather than updating the 1.5 release unless someone
>>>> is paid
>>>> > to do it.
>>>>
>>>> Valid SoC project? If so I will make an application for it. (I
>>>> already applied for ports 2.0 but will make this my alt)
>>>>
>>> As I understand things, the obstacle is not "rebuild it" but
>>> "run it through the JCK tests again". The latter takes time, it
>>> takes (five digits ?? of) money, and it takes one or more Official
>>> People babysitting the process.
>>> Diablo-1.5 happened in part because a third party thought it
>>> worth their effort to fund the effort. Given a viable successor is
>>> already in the field, it would seem to ake sense for them to fund
>>> that ... if they fund anything at all.
>>>
>>
>> The monetary cost of doing it I was speaking of was to pay someone to
>> do it
>> (the Foundation has previously done this as contract work). If the
>> Foundation were willing, a volunteer could do this. The volunteer would
>> need to be ready for a significant time investment and be familiar
>> with the JDK build process and code. All the current porting volunteer
>> time being spent on Diablo is being spent on 1.6. The next most
>> pressing
>> project that is ongoing has to do with OpenJDK, which will heopfully
>> make
>> these binary releases obsolete to some extent. Given that, its unlikely
>> that one of the current porting team is going to look at updating the
>> current 1.5 binary.
>>
>> I don't know if this is a valid SoC project or not since I'm not sure
>> what
>> qualifies as one. If you have to be able to show code at the end of it
>> then it isn't, since the code would be restricted.
>>
>>
> My understanding is I just need to show a deliverable of some kind
> (binary is fine). I am familiar with the JDK build process but not
> the code (but do have a solid course work background in VM's and
> Compilor Theory as well I have read the JVM spec as well as the class
> format spec as well as 25 years experience in general coding before
> returning to school). Since the deadline for appiling for SoC is
> tonight I will file the application immediately (I can always revise
> it). Some things I will have to guess at. I will post a copy of
> the application as a reply to this thread. The way I understand it
> someone like Greg would need to be my "mentor".
> _______________________________________________
> freebsd-java@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-java
> To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org"
>
Here is the text of the application:
Name: Aryeh M. Friedman
Email: aryeh.friedman@gmail.com
Phone: +1 845 558 4829
Project Title: Diablo 1.5 porting to post-KSE kernels
Possible Mentor: Greg Lewis
Benefits to the FreeBSD Community:
As outlined by Greg Lewis in order to port Diablo 1.5 to kernels
that don't have KSE (and other more modern IPC/threading mechanisms).
Requires the following:
* Sigificant time commitment to bring the code upto date
* Needs to pass the JCK test suite
Currently due to KSE's removal the only way to "boot strap" a native JDK
is to install Diablo but only after making the approriate mappings in
/etc/libmnap.conf which are largely undocumented and dependant on the OS
version and build platform.
This means that a working JDK (required for Open-Office, Eclipse, Ant,
Eclipse, etc. as well any working Java developer) on 7 (latest patch cvs
version) or 8-CURRENT one needs to perform some rather undocumented and
less then intutive manual adjustments. The goal of this project is to
rebuild/port Diablo 1.5 to not require these manual procedures.
Deliverables:
A. Binaries for all supported platforms
B. Record of the JCK test results for all supported platforms
Note: I can only do i386 and AMD86 directly
Project Schedule:
Total Time Comittment: 8 Weeks
Can start: 6/1/08
Key Milestones and deadlines:
Milestone Deadline
--------------------------------------------------------
Build of Diablo 1.5 on 8-Current AMD64 Week 4
Above passes JCK Tests Week 6
Rebuild and test for all supported platforms Week 8
Availability:
30 to 40 hrs/week avaible
I have 1 (maybe 2) classes this summer.
Bio:
I am a experienced UNIX developer (self taught) who has worked as a
CS researcher and product developer (see resume,
http://www.flosoft-systems.com/resume note it is about 4 years out of
date). I returned to school for two reasons:
1. More and more employers insist on a BA/MA min. for even an interview
2. Be able to rewrite some of my research in more formal form in
pursuit of my PhD.
I feel I am the person to do this project for the following reasons:
1. I have used FreeBSD as my primary (only) Java development
platform for 5 years thus am familure with the user level interface to
the JVM Wrapper system as well use of the JDK 1.5 command line
2. Broad experience in multiple languages and systems level
coding has given me a view point that would be hard to find in a
non-returning student.
Summery of Programming Experience:
* 25 Years of general coding (as a hobby and professionally)
* 20 Years of userland coding experience with BSD
* 5 Years experience with Java
* Have been involved as a coder and/or designer in many projects
that exceed 20k lines of code
* Single developer on several 10+k line of code projects
Other experience:
* Techinical manager of 2 program teams
* 20 Years of work in and/or arround open source projects
Most recent/relivent course work:
* Theory of Computation (aka Intro to Theortical CS at the grad
level) (currently enrolled)
* Compilor Theory (self taught)
* Advanced Data Structures (including Graph Theory) (A)
* Data structures (A-)
* Alogrithm design/ananylsis (A)
* Operating system development (B+)
* Oracle DBA/RDBMS theory (A)
Cumm. GPA: 3.75
Total credits: 116 (96 from prior learning credit)
Current professional interests:
* Operating systems
* Transport protocols
* Optimal search algorithms (subuject of a pending patent)
* Social/political effects of FOSS
* Alternative licensing schemes that allow for better blending
of FOSS and commerical projects
* Wide scale use of persitent object spaces
* Data representation
* Multi-language/paradigm compilors
* Agile methods
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Date: Mon, 31 Mar 2008 20:10:33 -0700 (PDT)
From: Tim Clewlow <tim1timau@yahoo.com>
To: "Marc G. Fournier" <freebsd@hub.org>,
Achilleas Mantzios <achill@matrix.gatewaynet.com>, freebsd-java@freebsd.org
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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--- "Marc G. Fournier" <freebsd@hub.org> wrote:
>
> - --On Monday, March 31, 2008 11:03:02 +0200 Achilleas Mantzios
> <achill@matrix.gatewaynet.com> wrote:
>
> > Azureus sucks even in windows.
>
> Alternate recommendations? Someone mentioned deluge to me ... is there
> something better yet?
>
I use rtorrent - it runs in a text terminal. Which I like because it means I
can remote control it with ssh and screen.
Cheers, Tim.
We are BSD ... resistance is futile.
http://www.freebsd.org/ - http://www.openbsd.org/ - http://www.netbsd.org/
____________________________________________________________________________________
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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=CE=A3=CF=84=CE=B9=CF=82 Tuesday 01 April 2008 02:04:35 =CE=BF/=CE=B7 Jonat=
han Chen =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5:
> On Mon, Mar 31, 2008 at 06:49:05PM -0300, Marc G. Fournier wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >=20
> >=20
> >=20
> > - --On Monday, March 31, 2008 11:03:02 +0200 Achilleas Mantzios=20
> > <achill@matrix.gatewaynet.com> wrote:
> >=20
> > > Azureus sucks even in windows.
> >=20
> > Alternate recommendations? Someone mentioned deluge to me ... is there=
=20
> > something better yet?
>=20
> There's ktorrent for KDE; but if you're using Gnome, I would go with
> deluge. It's pretty lightweight compared to Azureus.
One can use Gnome and run ktorrent with no problem at all, ofcourse that wo=
uld cause=20
installation of qt, kdelibs, kdehier. If that is an issue then someone coul=
d try an alternative torrent client
as people here have suggested.
>=20
> Cheers.
=2D-=20
Achilleas Mantzios
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Date: Tue, 1 Apr 2008 16:18:00 +0200
From: Andreas Rudisch <cyb.@gmx.net>
To: "Marc G. Fournier" <scrappy@hub.org>
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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On Sun, 30 Mar 2008 21:59:08 -0300
"Marc G. Fournier" <scrappy@hub.org> wrote:
> Is anyone running Azureus on 7-STABLE and getting decent performance from=
it?
>=20
> I just upgraded to 7-STABLE, installed /usr/ports/java/jdk15 (instead of=
=20
> diablo) so that it uses libthr (checked with ldd), and now I'm barely abl=
e to=20
> get one downloaded, let alone multiple, and almost nothing uploaded ...
>=20
> I have nothing in my /etc/libmap.conf file ...
I had the problem too when testing FreeBSD 7.0-RC2. Azureus would start
but data transfer was very slow, if there was a connection happing to
other peers at all.
On FreeBSD 6.1/2/3 Azureus shows the same behaviour (at least on my PC)
when _not_ using /etc/libmap.conf to map libthread to libc_r.
Work-arounds like using other clients are one thing, but I would like
to see a fix for this on FreeBSD 7. Is there anything that can be done
to help identify / solve the problem?
Andreas
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Cc: "Marc G. Fournier" <scrappy@hub.org>, freebsd-java@freebsd.org
Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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On Tue, 1 Apr 2008, Andreas Rudisch wrote:
> I had the problem too when testing FreeBSD 7.0-RC2. Azureus would start
> but data transfer was very slow, if there was a connection happing to
> other peers at all.
Some who have experienced similar problems have reported that building a
kernel without IPv6 support alleviates it, though for some reason
-Djava.net.preferIPv4Stack=true on the JVM command line does not. You
might give those a try and see if it makes any difference.
Nick
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Date: Tue, 01 Apr 2008 21:03:08 -0300
From: "Marc G. Fournier" <scrappy@hub.org>
To: Nick Johnson <freebsd@spatula.net>, Andreas Rudisch <cyb.@gmx.net>
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Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- --On Tuesday, April 01, 2008 07:54:36 -0700 Nick Johnson <freebsd@spatula.net>
wrote:
> On Tue, 1 Apr 2008, Andreas Rudisch wrote:
>
>> I had the problem too when testing FreeBSD 7.0-RC2. Azureus would start
>> but data transfer was very slow, if there was a connection happing to
>> other peers at all.
>
> Some who have experienced similar problems have reported that building a
> kernel without IPv6 support alleviates it, though for some reason
> -Djava.net.preferIPv4Stack=true on the JVM command line does not. You
> might give those a try and see if it makes any difference.
> grep -i ipv kernel
> uname -a
FreeBSD fserv.hub.org 7.0-STABLE FreeBSD 7.0-STABLE #10: Thu Mar 20 23:34:34
ADT 2008 root@fserv.hub.org:/usr/local/obj/usr/src/sys/kernel i386
On a good note (bad for java, good for me), without making any other changes, I
installed deluge and it works right out of the box, but it uses python instead
of java :(
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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Cc: freebsd-java@freebsd.org
Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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- --On Tuesday, April 01, 2008 16:18:00 +0200 Andreas Rudisch <cyb.@gmx.net>
wrote:
> I had the problem too when testing FreeBSD 7.0-RC2. Azureus would start
> but data transfer was very slow, if there was a connection happing to
> other peers at all.
>
> On FreeBSD 6.1/2/3 Azureus shows the same behaviour (at least on my PC)
> when _not_ using /etc/libmap.conf to map libthread to libc_r.
>
> Work-arounds like using other clients are one thing, but I would like
> to see a fix for this on FreeBSD 7. Is there anything that can be done
> to help identify / solve the problem?
I have to agree here ... with the report that 7.x is 15% hten current Linux
kernel on SMP systems, it would definitely set us back in the good PR dept if
we have a problem with our java :(
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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Date: Wed, 02 Apr 2008 00:59:39 -0300
From: "Marc G. Fournier" <freebsd@hub.org>
To: Jonathan Chen <jonc@chen.org.nz>
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Cc: freebsd-java@freebsd.org
Subject: Java Problem (Was: Re: Azureus + 7-STABLE == Slow download + No
Upload)
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- --On Tuesday, April 01, 2008 12:04:35 +1300 Jonathan Chen <jonc@chen.org.nz>
wrote:
> There's ktorrent for KDE; but if you're using Gnome, I would go with
> deluge. It's pretty lightweight compared to Azureus.
I've installed deluge ... big thing for me was the built in RSS feed ... and
performance is like night-n-day from Azureus ...
... *but*, that still doesn't fix the underlying problem, and that is that Java
appears to have a problem that is very visible with Azureus, and based on past
experiences with 6.x, this is an ongoing issue ...
In 6.x, it was using pthread vs thr libraries ... a simple fix to
/etc/libmap.conf cleared up the problem ... but, with 7.x, we are already using
libthr.*, so what broke this time? Is it with 7.x threading? Or Java? Is
this something specific to Azureus, or only something that Azureus makes very
visible?
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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From: Greg Lewis <glewis@eyesbeyond.com>
To: "Marc G. Fournier" <scrappy@hub.org>
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Cc: Andreas Rudisch <"cyb."@gmx.net>, freebsd-java@freebsd.org
Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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On Tue, Apr 01, 2008 at 09:04:46PM -0300, Marc G. Fournier wrote:
> - --On Tuesday, April 01, 2008 16:18:00 +0200 Andreas Rudisch <cyb.@gmx.net>
> wrote:
>
> > I had the problem too when testing FreeBSD 7.0-RC2. Azureus would start
> > but data transfer was very slow, if there was a connection happing to
> > other peers at all.
> >
> > On FreeBSD 6.1/2/3 Azureus shows the same behaviour (at least on my PC)
> > when _not_ using /etc/libmap.conf to map libthread to libc_r.
> >
> > Work-arounds like using other clients are one thing, but I would like
> > to see a fix for this on FreeBSD 7. Is there anything that can be done
> > to help identify / solve the problem?
>
> I have to agree here ... with the report that 7.x is 15% hten current Linux
> kernel on SMP systems, it would definitely set us back in the good PR dept if
> we have a problem with our java :(
The reason that we've persisted with doing patchsets for Java is so that
everybody can get at the source and investigate/fix things which are
important to them. I've persistently argued against switching solely to
binary releases, when that has come up, for just this reason.
So, if you can't find someone on the porting team who is both interested
and has time to investigate it right now then there are a number of things
you can do yourselves to start the investigation. Here are some
possibilities:
. Look through the list archives into what people have found out about
problems with Azureus before. This isn't the first time this has come
up.
. Look at what the kernel threads are doing periodically with ps(1).
. Dump the Java threads periodically.
. Run Azureus under ktrace and look at what syscalls are being made.
There is going to be a lot of output from ktrace I expect, so its
going to take some time to sort through.
. Run this on 6.x and 7.x and try the different threading libraries.
. Run it on Linux and compare what it does if you're interested.
. Run it under different JDKs to see if that makes any difference.
None of this will even require getting your hands dirty with the code, it
will just take some time commitment to do it and analyse the results.
If you wanted to go further you could start trying to mess around with
gdb and/or trace statements in the code.
--
Greg Lewis Email : glewis@eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis@FreeBSD.org
From owner-freebsd-java@FreeBSD.ORG Wed Apr 2 16:24:03 2008
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Cc: Andreas Rudisch <"cyb."@gmx.net>, freebsd-java@freebsd.org
Subject: Re: Azureus + 7-STABLE == Slow download + No Upload
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> The reason that we've persisted with doing patchsets for Java is so that
> everybody can get at the source and investigate/fix things which are
> important to them. I've persistently argued against switching solely to
> binary releases, when that has come up, for just this reason.
First, a note ... I think the Java group is doing a fantastic job,
considering all of the hurdle that you guys had to jump through at the
start of this with NDA (I believe?) and such ... please do not take *any*
of what I have (or will) say as anything but an attempt to further
improve, as they aren't meant as anything but ...
> So, if you can't find someone on the porting team who is both interested
> and has time to investigate it right now then there are a number of things
> you can do yourrselves to start the investigation.
In this case, I'm curious as to why nobody is taking this as an
opportunity ... Azureus is a huge piece of software, that tends to make
extensive use of threading (from what I can tell), and since at least 6.x,
has had problem reports when trying to do 'two things at once' ... if this
is a coding bug with Azureus itself, fine, but if this is a bug with
FreeBSD (ie. our threading + java) that Azureus highlights to the extreme,
then if we can get Azureus fixed, that would trickle down to other less
'intense' java applications, and, possible even non-java ones ...
*But* ... after installing deluge (python), which I'm getting massive
transfer rates (such that I'd never seen with Azureus even at its best)
even with 20+ torrents on the go, I don't see it as being a FreeBSD
threading issue, except for how that interacts with Java+Azureus ...
Now, it could be like with Wine, where Azureus was programmed with 'linux
in mind', so that someone is missing / broken in FreeBSD/java in relation
... but even knowing *that* would at least make it easier for ppl posting
about such issues ...
> . Look through the list archives into what people have found out about
> problems with Azureus before. This isn't the first time this has come
> up.
I've done that, and you are right, it isn't the firs time ... the bulk of
the reports have revolved around 6.x, where you need to add an entry to
/etc/libmap.conf to map pthread -> thr ... with that, Azureus on 6.x works
fine, but with 7.x, thr is the default library, and I've checked jdk15
using ldd to make sure that that is what is being used ...
The only other issue I've found relates to IPv6, but I don't have that
built into my kernel, and, just in case, I did add the flag that was
suggested to force IPv4 ...
The other email's that I've seen on the subject generally went along the
lines of "I gave up on Azureus+Java and moved to something else to fix the
problem" ...
> . Look at what the kernel threads are doing periodically with ps(1).
What should one be looking at here? I have no problems with doing the
'leg work' on this, just need to know what I need to be looking for ...
> . Dump the Java threads periodically.
Huh?
> . Run Azureus under ktrace and look at what syscalls are being made.
> There is going to be a lot of output from ktrace I expect, so its
> going to take some time to sort through.
I have the disk space, but insufficicent knowledge to know what I'm
looking for from the output ...
> . Run this on 6.x and 7.x and try the different threading libraries.
6.x runs fine with the pthread->thr map in /etc/libmap.conf ... I've tried
it on 7.x with both diablo (uses pthreads, I believe) and jdk15 (with thr)
.. same results ...
> . Run it on Linux and compare what it does if you're interested.
Not an option ... I don't have a Linux box to run it on ...
> . Run it under different JDKs to see if that makes any difference.
Tried both diablo and jdk15 ... haven't tried the linux jdk though, will
look at installing that tonight ...
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Subject: mmap problem with diablo-1.5.0 on 6.1-RELEASE i386
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Hi,
I'm having problems running Java on FreeBSD 6.1-RELEASE i386. The JVM seems
to be unable to allocate memory for the code cache using mmap. Here's what
I see on the command line:
~ $ java -version
Error occurred during initialization of VM
Could not reserve enough space for code cache
~ $ uname -mrs
FreeBSD 6.1-RELEASE i386
~ $ ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) 2929687
file size (blocks, -f) unlimited
max locked memory (kbytes, -l) unlimited
max memory size (kbytes, -m) unlimited
open files (-n) 11095
pipe size (512 bytes, -p) 1
stack size (kbytes, -s) 65536
cpu time (seconds, -t) unlimited
max user processes (-u) 5547
virtual memory (kbytes, -v) unlimited
~ $
Here's the tail of the kdump output:
48178 java CALL mmap(0,0x2000000,0,0x1042,0xffffffff,0,0,0)
48178 java RET mmap -1 errno 12 Cannot allocate memory
48178 java CALL write(0x1,0xbfbfd2d0,0x2b)
48178 java GIO fd 1 wrote 43 bytes
"Error occurred during initialization of VM
"
48178 java RET write 43/0x2b
48178 java CALL write(0x1,0xbfbfd2d0,0x2d)
48178 java GIO fd 1 wrote 45 bytes
"Could not reserve enough space for code cache"
48178 java RET write 45/0x2d
48178 java CALL write(0x1,0xbb2ce361,0x1)
48178 java GIO fd 1 wrote 1 byte
"
"
48178 java RET write 1
48178 java CALL unlink(0x8064500)
48178 java NAMI "/tmp/hsperfdata_mrogers/48178"
48178 java RET unlink 0
48178 java CALL exit(0x1)
So it seems the mmap call is the problem, but I'm not sure why. I get the
same results with the installed version of Java and a fresh download of
diablo-1.5.0 from freebsdfoundation.org. I also have access to a FreeBSD
6.2-RELEASE amd64 box where diablo-1.5.0 works fine; here's the
corresponding command line and kdump output for comparison:
~ $ java -version
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build diablo-1.5.0-b01)
Java HotSpot(TM) 64-Bit Server VM (build diablo-1.5.0_07-b01, mixed mode)
~ $ uname -mrs
FreeBSD 6.2-RELEASE amd64
~ $ ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) 33554432
file size (blocks, -f) unlimited
max locked memory (kbytes, -l) unlimited
max memory size (kbytes, -m) unlimited
open files (-n) 11095
pipe size (512 bytes, -p) 1
stack size (kbytes, -s) 524288
cpu time (seconds, -t) unlimited
max user processes (-u) 5547
virtual memory (kbytes, -v) unlimited
~ $
31867 java CALL mmap(0,0x3000000,0,0x1042,0xffffffff,0,0)
31867 java RET mmap 78553088/0x804aea000
31867 java CALL mmap(0x804aea000,0x270000,0x7,0x1012,0xffffffff,0,0)
31867 java RET mmap 78553088/0x804aea000
... etc
Any thoughts on what could be causing this problem? Could it be something
to do with ulimit? Unfortunately I don't have root on either of the boxes
so I can't easily experiment with changing the limits.
Thanks in advance,
Michael
From owner-freebsd-java@FreeBSD.ORG Fri Apr 4 20:33:41 2008
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From: Kurt Miller <lists@intricatesoftware.com>
To: freebsd-java@freebsd.org
Date: Fri, 4 Apr 2008 16:33:30 -0400
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Cc: Michael Rogers <m.rogers@cs.ucl.ac.uk>
Subject: Re: mmap problem with diablo-1.5.0 on 6.1-RELEASE i386
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Most of the memory the jdk uses is from mmap. Using a very high
data seg size ulimit has the effect of reducing the amount of memory
an application can mmap (at least on some FreeBSD versions). Try
reducing your data seg size ulimit to 819200 kbytes. The port versions
of the jdks do this automatically for you (e.g. cap data seg size to 800M).
-Kurt
On Friday 04 April 2008 11:35:47 am Michael Rogers wrote:
> Hi,
>
> I'm having problems running Java on FreeBSD 6.1-RELEASE i386. The JVM seems
> to be unable to allocate memory for the code cache using mmap. Here's what
> I see on the command line:
>
> ~ $ java -version
> Error occurred during initialization of VM
> Could not reserve enough space for code cache
> ~ $ uname -mrs
> FreeBSD 6.1-RELEASE i386
> ~ $ ulimit -a
> core file size (blocks, -c) unlimited
> data seg size (kbytes, -d) 2929687
> file size (blocks, -f) unlimited
> max locked memory (kbytes, -l) unlimited
> max memory size (kbytes, -m) unlimited
> open files (-n) 11095
> pipe size (512 bytes, -p) 1
> stack size (kbytes, -s) 65536
> cpu time (seconds, -t) unlimited
> max user processes (-u) 5547
> virtual memory (kbytes, -v) unlimited
> ~ $
>
> Here's the tail of the kdump output:
>
> 48178 java CALL mmap(0,0x2000000,0,0x1042,0xffffffff,0,0,0)
> 48178 java RET mmap -1 errno 12 Cannot allocate memory
> 48178 java CALL write(0x1,0xbfbfd2d0,0x2b)
> 48178 java GIO fd 1 wrote 43 bytes
> "Error occurred during initialization of VM
> "
> 48178 java RET write 43/0x2b
> 48178 java CALL write(0x1,0xbfbfd2d0,0x2d)
> 48178 java GIO fd 1 wrote 45 bytes
> "Could not reserve enough space for code cache"
> 48178 java RET write 45/0x2d
> 48178 java CALL write(0x1,0xbb2ce361,0x1)
> 48178 java GIO fd 1 wrote 1 byte
> "
> "
> 48178 java RET write 1
> 48178 java CALL unlink(0x8064500)
> 48178 java NAMI "/tmp/hsperfdata_mrogers/48178"
> 48178 java RET unlink 0
> 48178 java CALL exit(0x1)
>
> So it seems the mmap call is the problem, but I'm not sure why. I get the
> same results with the installed version of Java and a fresh download of
> diablo-1.5.0 from freebsdfoundation.org. I also have access to a FreeBSD
> 6.2-RELEASE amd64 box where diablo-1.5.0 works fine; here's the
> corresponding command line and kdump output for comparison:
>
> ~ $ java -version
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build diablo-1.5.0-b01)
> Java HotSpot(TM) 64-Bit Server VM (build diablo-1.5.0_07-b01, mixed mode)
> ~ $ uname -mrs
> FreeBSD 6.2-RELEASE amd64
> ~ $ ulimit -a
> core file size (blocks, -c) unlimited
> data seg size (kbytes, -d) 33554432
> file size (blocks, -f) unlimited
> max locked memory (kbytes, -l) unlimited
> max memory size (kbytes, -m) unlimited
> open files (-n) 11095
> pipe size (512 bytes, -p) 1
> stack size (kbytes, -s) 524288
> cpu time (seconds, -t) unlimited
> max user processes (-u) 5547
> virtual memory (kbytes, -v) unlimited
> ~ $
>
> 31867 java CALL mmap(0,0x3000000,0,0x1042,0xffffffff,0,0)
> 31867 java RET mmap 78553088/0x804aea000
> 31867 java CALL mmap(0x804aea000,0x270000,0x7,0x1012,0xffffffff,0,0)
> 31867 java RET mmap 78553088/0x804aea000
> ... etc
>
> Any thoughts on what could be causing this problem? Could it be something
> to do with ulimit? Unfortunately I don't have root on either of the boxes
> so I can't easily experiment with changing the limits.
>
> Thanks in advance,
> Michael
> _______________________________________________
> freebsd-java@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-java
> To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org"
>
From owner-freebsd-java@FreeBSD.ORG Sat Apr 5 11:28:44 2008
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From: Michael Rogers <m.rogers@cs.ucl.ac.uk>
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Cc: freebsd-java@freebsd.org
Subject: Re: mmap problem with diablo-1.5.0 on 6.1-RELEASE i386
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Kurt,
Thank you so much, that solved the problem!
Cheers,
Michael
Kurt Miller wrote:
> Most of the memory the jdk uses is from mmap. Using a very high
> data seg size ulimit has the effect of reducing the amount of memory
> an application can mmap (at least on some FreeBSD versions). Try
> reducing your data seg size ulimit to 819200 kbytes. The port versions
> of the jdks do this automatically for you (e.g. cap data seg size to 800M).
>
> -Kurt
>
> On Friday 04 April 2008 11:35:47 am Michael Rogers wrote:
>> Hi,
>>
>> I'm having problems running Java on FreeBSD 6.1-RELEASE i386. The JVM seems
>> to be unable to allocate memory for the code cache using mmap. Here's what
>> I see on the command line:
>>
>> ~ $ java -version
>> Error occurred during initialization of VM
>> Could not reserve enough space for code cache
>> ~ $ uname -mrs
>> FreeBSD 6.1-RELEASE i386
>> ~ $ ulimit -a
>> core file size (blocks, -c) unlimited
>> data seg size (kbytes, -d) 2929687
>> file size (blocks, -f) unlimited
>> max locked memory (kbytes, -l) unlimited
>> max memory size (kbytes, -m) unlimited
>> open files (-n) 11095
>> pipe size (512 bytes, -p) 1
>> stack size (kbytes, -s) 65536
>> cpu time (seconds, -t) unlimited
>> max user processes (-u) 5547
>> virtual memory (kbytes, -v) unlimited
>> ~ $
>>
>> Here's the tail of the kdump output:
>>
>> 48178 java CALL mmap(0,0x2000000,0,0x1042,0xffffffff,0,0,0)
>> 48178 java RET mmap -1 errno 12 Cannot allocate memory
>> 48178 java CALL write(0x1,0xbfbfd2d0,0x2b)
>> 48178 java GIO fd 1 wrote 43 bytes
>> "Error occurred during initialization of VM
>> "
>> 48178 java RET write 43/0x2b
>> 48178 java CALL write(0x1,0xbfbfd2d0,0x2d)
>> 48178 java GIO fd 1 wrote 45 bytes
>> "Could not reserve enough space for code cache"
>> 48178 java RET write 45/0x2d
>> 48178 java CALL write(0x1,0xbb2ce361,0x1)
>> 48178 java GIO fd 1 wrote 1 byte
>> "
>> "
>> 48178 java RET write 1
>> 48178 java CALL unlink(0x8064500)
>> 48178 java NAMI "/tmp/hsperfdata_mrogers/48178"
>> 48178 java RET unlink 0
>> 48178 java CALL exit(0x1)
>>
>> So it seems the mmap call is the problem, but I'm not sure why. I get the
>> same results with the installed version of Java and a fresh download of
>> diablo-1.5.0 from freebsdfoundation.org. I also have access to a FreeBSD
>> 6.2-RELEASE amd64 box where diablo-1.5.0 works fine; here's the
>> corresponding command line and kdump output for comparison:
>>
>> ~ $ java -version
>> java version "1.5.0"
>> Java(TM) 2 Runtime Environment, Standard Edition (build diablo-1.5.0-b01)
>> Java HotSpot(TM) 64-Bit Server VM (build diablo-1.5.0_07-b01, mixed mode)
>> ~ $ uname -mrs
>> FreeBSD 6.2-RELEASE amd64
>> ~ $ ulimit -a
>> core file size (blocks, -c) unlimited
>> data seg size (kbytes, -d) 33554432
>> file size (blocks, -f) unlimited
>> max locked memory (kbytes, -l) unlimited
>> max memory size (kbytes, -m) unlimited
>> open files (-n) 11095
>> pipe size (512 bytes, -p) 1
>> stack size (kbytes, -s) 524288
>> cpu time (seconds, -t) unlimited
>> max user processes (-u) 5547
>> virtual memory (kbytes, -v) unlimited
>> ~ $
>>
>> 31867 java CALL mmap(0,0x3000000,0,0x1042,0xffffffff,0,0)
>> 31867 java RET mmap 78553088/0x804aea000
>> 31867 java CALL mmap(0x804aea000,0x270000,0x7,0x1012,0xffffffff,0,0)
>> 31867 java RET mmap 78553088/0x804aea000
>> ... etc
>>
>> Any thoughts on what could be causing this problem? Could it be something
>> to do with ulimit? Unfortunately I don't have root on either of the boxes
>> so I can't easily experiment with changing the limits.
>>
>> Thanks in advance,
>> Michael
>> _______________________________________________
>> freebsd-java@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-java
>> To unsubscribe, send any mail to "freebsd-java-unsubscribe@freebsd.org"
>>
>
>