Date: Sun, 9 Mar 2003 07:51:07 -0800 From: "James Satterfield" <james@uberduper.com> To: "Stefan Farfeleder" <stefan@fafoe.dyndns.org>, <java@FreeBSD.ORG> Subject: Re: jdk14 MulticastSocket breakage Message-ID: <001c01c2e653$b2d67b70$0feba8c0@sphynx> References: <20030309022834.GA585@frog.fafoe>
next in thread | previous in thread | raw e-mail | index | archive | help
Stefan, You are my new best friend! After making the change you suggested, DVArchive FINALLY works on freebsd with the native jdk1.4.1. Just wanted to say thank you. James. ----- Original Message ----- From: "Stefan Farfeleder" <stefan@fafoe.dyndns.org> To: <java@FreeBSD.ORG> Sent: Saturday, March 08, 2003 6:28 PM Subject: jdk14 MulticastSocket breakage > [please CC me, thanks] > > Hi, > > I think I've found a bug in the java/jdk14 port. The method > java.net.MulticastSocket.joinGroup() always fails with > "java.net.SocketException: Invalid argument" (a small program to > demonstrate this can be found at > http://stud3.tuwien.ac.at/~e0026813/FreeBSD/multicast.java ). > > With ktrace I've tracked this down to: > > 1216 java CALL setsockopt(0x6,0,0x1,0xbf8e5b80,0x8) > 1216 java RET setsockopt -1 errno 22 Invalid argument > > Then I looked into the source code and found that > bsd-jdk14-patches-3.tar.gz made these changes to > j2se/src/solaris/native/java/net/PlainDatagramSocketImpl.c > > - if (JVM_SetSockOpt(fd, IPPROTO_IP, (join ? IP_ADD_MEMBERSHIP:IP_DROP_MEMBERSHIP), > +// XXXBSD: fix for BSD (re-implement with KAME ?) > +// if (JVM_SetSockOpt(fd, IPPROTO_IP, (join ? IP_ADD_MEMBERSHIP:IP_DROP_MEMBERSHIP), > + if (JVM_SetSockOpt(fd, IPPROTO_IP, (join ? 1 : 0), > > which I do not understand. <netinet/in.h> has 12 for IP_ADD_MEMBERSHIP > and 13 for IP_DROP_MEMBERSHIP, the 1 corresponds to IP_OPTIONS and > causes the EINVAL failure. Reverting these changes and recompiling > jdk14 fixes the failure for me. > > The patch also changes IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP into > 1 and 0 which seems bogus too. These constants are available on Linux > but not on FreeBSD; I think the values IPV6_JOIN_GROUP and > IPV6_LEAVE_GROUP should be used instead. > > Regards, > Stefan Farfeleder > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-java" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-java" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?001c01c2e653$b2d67b70$0feba8c0>