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Date:      Sun, 23 Oct 2005 14:51:42 +0400
From:      Alex Pivovarov <apivovarov@gmail.com>
To:        freebsd-java@freebsd.org
Subject:   "An unexpected error" when i run class with constructor creating itself. (jdk1.5.0-p2)
Message-ID:  <426b510c0510230351k718c38ffr43273a31204414e6@mail.gmail.com>

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I made a class Constr with a constructor which run  =3D new Constr().

public class Constr {
=09public int field1 =3D 1;
=09public Constr() {
=09=09Constr constr =3D new Constr();
=09}
=09public static void main(String args[]) {
=09=09Constr constr =3D new Constr();
=09}
}


------------- What I get after run: ----------------------
%java Constr
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
#  SIGBUS (0xa) at pc=3D0x2b558260, pid=3D2878, tid=3D0x8060000
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0-p2-root_21_oct_2005_11_50
mixed mode)
# Problematic frame:
# J  Constr.<init>()V
#
# An error report file with more information is saved as hs_err_pid2878.log
#
# If you would like to submit a bug report, please write
# a letter to freebsd-java@FreeBSD.org mailing list
#
Abort (core dumped)

--------------------- log----------------------------
hs_err_pid2878.log - see below
---------------  T H R E A D  ---------------

Current thread (0x08060c00):  JavaThread "main" [_thread_in_Java, id=3D1346=
10944]

siginfo:si_signo=3D10, si_errno=3D0, si_code=3D12, si_addr=3D0xbfafffec

Registers:
EAX=3D0x2d5a0980, EBX=3D0x00000000, ECX=3D0x2d5a0980, EDX=3D0x316ac248
ESP=3D0xbfb02fec, EBP=3D0xbfb03018, ESI=3D0x00000000, EDI=3D0x00000000
EIP=3D0x2b558260, EFLAGS=3D0x00010246

Top of Stack: (sp=3D0xbfb02fec)
0xbfb02fec:   2b558325 2d5a0980 00000000 280966d3
0xbfb02ffc:   00000000 2d5a0980 2d5a0970 bfb03048
0xbfb0300c:   2b5582e0 2d5a0970 316ac248 bfb03048
0xbfb0301c:   2b558325 2d5a0960 00000000 280966d3
0xbfb0302c:   00000000 2d5a0960 2d5a0950 bfb03078
0xbfb0303c:   2b5582e0 2d5a0950 316ac248 bfb03078
0xbfb0304c:   2b558325 2d5a0940 00000000 280966d3
0xbfb0305c:   00000000 2d5a0940 2d5a0930 bfb030a8

Instructions: (pc=3D0x2b558260)
0x2b558250:   90 90 90 90 90 90 90 3b 41 04 0f 85 20 ae fe ff
0x2b558260:   89 84 24 00 d0 ff ff 55 8b ec 83 ec 28 8b 75 08

Stack: [0xbfb00000,0xbfc00000),  sp=3D0xbfb02fec,  free space=3D11k
Native frames: (J=3Dcompiled Java code, j=3Dinterpreted, Vv=3DVM code, C=3D=
native code)
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
J  Constr.<init>()V
...<more frames>...


---------------  P R O C E S S  ---------------

Java Threads: ( =3D> current thread )
  0x08140c00 JavaThread "Low Memory Detector" daemon [_thread_blocked,
id=3D135532032]
  0x08140800 JavaThread "CompilerThread0" daemon [_thread_blocked, id=3D135=
531008]
  0x08140400 JavaThread "Signal Dispatcher" daemon [_thread_blocked,
id=3D135529984]
  0x08140000 JavaThread "Finalizer" daemon [_thread_blocked, id=3D135528960=
]
  0x0806bc00 JavaThread "Reference Handler" daemon [_thread_blocked,
id=3D134659584]
=3D>0x08060c00 JavaThread "main" [_thread_in_Java, id=3D134610944]

Other Threads:
  0x0805af00 VMThread [id=3D134658560]
  0x0805aa00 WatcherThread [id=3D135655936]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 def new generation   total 576K, used 326K [0x2d560000, 0x2d600000, 0x2da4=
0000)
  eden space 512K,  51% used [0x2d560000, 0x2d5a1a88, 0x2d5e0000)
  from space 64K, 100% used [0x2d5f0000, 0x2d600000, 0x2d600000)
  to   space 64K,   0% used [0x2d5e0000, 0x2d5e0000, 0x2d5f0000)
 tenured generation   total 1408K, used 416K [0x2da40000, 0x2dba0000,
0x31560000)
   the space 1408K,  29% used [0x2da40000, 0x2daa8008, 0x2daa8200, 0x2dba00=
00)
 compacting perm gen  total 8192K, used 1329K [0x31560000, 0x31d60000,
0x35560000)
   the space 8192K,  16% used [0x31560000, 0x316ac508, 0x316ac600, 0x31d600=
00)
No shared spaces configured.

Dynamic libraries:
0x08048000 =09/usr/local/jdk1.5.0/bin/java
0x2808c000 =09/usr/lib/libpthread.so.1
0x280b0000 =09/lib/libc.so.5
0x2818b000 =09/usr/local/jdk1.5.0/jre/lib/i386/client/libjvm.so
0x285dd000 =09/lib/libm.so.3
0x285f9000 =09/usr/local/jdk1.5.0/jre/lib/i386/native_threads/libhpi.so
0x2860a000 =09/usr/local/jdk1.5.0/jre/lib/i386/libverify.so
0x28617000 =09/usr/local/jdk1.5.0/jre/lib/i386/libjava.so
0x28635000 =09/usr/local/jdk1.5.0/jre/lib/i386/libzip.so
0x28055000 =09/libexec/ld-elf.so.1

VM Arguments:
java_command: Constr

Environment Variables:
JAVA_HOME=3D/usr/local/jdk1.5.0
PATH=3D/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/=
bin:/usr/X11R6/bin:/home/alex/bin
LD_LIBRARY_PATH=3D/usr/local/jdk1.5.0/jre/lib/i386/client:/usr/local/jdk1.5=
.0/jre/lib/i386:/usr/local/jdk1.5.0/jre/../lib/i386
SHELL=3D/bin/csh
DISPLAY=3D:0.0
HOSTTYPE=3DFreeBSD
OSTYPE=3DFreeBSD
MACHTYPE=3Di386


---------------  S Y S T E M  ---------------

OS:FreeBSD
uname:FreeBSD 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Wed Oct 19 20:52:56
MSD 2005     root@st1.fqdn:/usr/src/sys/i386/compile/st1deb i386
rlimit: STACK 65536k, CORE infinity, NOFILE 7322
CPU:total 1 family 6, cmov, cx8, fxsr, mmx

Memory: 4k page, physical 469292k

vm_info: Java HotSpot(TM) Client VM (1.5.0-p2-root_21_oct_2005_11_50)
for freebsd-x86, built on Oct 21 2005 13:43:00 by root with gcc 3.4.2
[FreeBSD] 20040728


------------------------ P.S. --------------------------
in jdk1.4.2-p7 after run this class I just get stack overflow error.
%java TestCon
Exception in thread "main" java.lang.StackOverflowError



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