JVM crash in [libnet.so+0x9243] Java_java_net_SocketInputStream_socketRead0+0xb3

[Greg Lewis]

On Wed, Jun 20, 2012 at 10:21:26AM +0200, Ronald Klop wrote:
> First upgrade Tomcat. Your version is from Jan 2010 [1] or earlier. There  
> are a lot of bugfixes in Tomcat about NIO since then. And also for  
> security reasons [2].

Still, the JVM crashing shouldn't be something even an older version of
Tomcat can provoke.

> Tomcat 6.0.35 is also in ports.
> Second, can you reproduce this with openjdk 6?

Agreed.  That is a worthwhile data point and may provide a workaround.

> Do you write hundreds of files per second or per day?
> 
> Ronald.
> 
> [1] http://tomcat.apache.org/tomcat-6.0-doc/changelog.html
> [2] http://tomcat.apache.org/security-6.html
> 
> On Tue, 19 Jun 2012 23:13:15 +0200, Kees Jan Koster <kjkoster at gmail.com>  
> wrote:
> 
> > Dear all,
> >
> > I have a reproducible JVM crash
> >
> > The system is Tomcat 6.0.23 with NIO connectors for HTTP and also  
> > relying heavily on NIO to write hundreds of files. I am running with the  
> > G1 garbage collector (-XX:+UseG1GC). More details below.
> >
> > My question: what to do now? What information do I need to provide for  
> > someone to fix this problem? How do I get this information?
> >
> > Also: should I file a bug report?
> >
> > I will re-run using the regular GC to see if this is perhaps G1 related.
> >
> >
> >
> > [kjkoster at dill ~]$ uname -a
> > FreeBSD dill.beta-monitor.com 9.0-STABLE FreeBSD 9.0-STABLE #0: Tue Jun  
> > 19 11:46:32 UTC 2012      
> > root at dill.beta-monitor.com:/usr/obj/usr/src/sys/DILL  amd64
> > [kjkoster at dill ~]$ /usr/local/openjdk7/bin/java -version
> > openjdk version "1.7.0_04"
> > OpenJDK Runtime Environment (build 1.7.0_04-b22)
> > OpenJDK 64-Bit Server VM (build 23.0-b21, mixed mode)
> >
> > #
> > # A fatal error has been detected by the Java Runtime Environment:
> > #
> > #  SIGSEGV (0xb) at pc=0x00000008a6218243, pid=1832, tid=34455804928
> > #
> > # JRE version: 7.0-b22
> > # Java VM: OpenJDK 64-Bit Server VM (23.0-b21 mixed mode bsd-amd64  
> > compressed oops)
> > # Problematic frame:
> > # C  [libnet.so+0x9243]  Java_java_net_SocketInputStream_socketRead0+0xb3
> > #
> > # Failed to write core dump. Core dumps have been disabled. To enable  
> > core dumping, try "ulimit -c unlimited" before starting Java again
> > #
> > # An error report file with more information is saved as:
> > # /lemongrass/lemongrass/lemongrass/hs_err_pid1832.log
> > #
> > # If you would like to submit a bug report, please visit:
> > #   http://bugreport.sun.com/bugreport/crash.jsp
> > # The crash happened outside the Java Virtual Machine in native code.
> > # See problematic frame for where to report the bug.
> > #
> >
> >
> > --
> > Kees Jan
> >
> > http://java-monitor.com/
> > kjkoster at kjkoster.org
> > +31651838192
> >
> > Change is good. Granted, it is good in retrospect, but change is good.
> >
> > _______________________________________________
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-- 
Greg Lewis                          Email   : glewis at eyesbeyond.com
Eyes Beyond                         Web     : http://www.eyesbeyond.com
Information Technology              FreeBSD : glewis at FreeBSD.org