Customer migrated their application from T2000 to Intel Xeon system running Solaris 10. They started experiencing frequent crashes in production.

Stack seen from hs_err log:

Stack: [0xfffffd7f3f51b000,0xfffffd7f3f61b000], sp=0xfffffd7f3f61a680, free sp
ace=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J java.lang.Thread.currentThread()Ljava/lang/Thread;
j com.sun.ejb.containers.util.pool.NonBlockingPool.doResize()V+0
j com.sun.ejb.containers.util.pool.NonBlockingPool$ReSizeWork.run()V+4
j com.sun.ejb.containers.util.pool.NonBlockingPool$ReSizeWork.service()V+1
j com.sun.ejb.containers.util.WorkAdapter.doWork()V+11

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J java.lang.Thread.currentThread()Ljava/lang/Thread;
j com.sun.ejb.containers.util.pool.NonBlockingPool.doResize()V+0
j com.sun.ejb.containers.util.pool.NonBlockingPool$ReSizeWork.run()V+4
j com.sun.ejb.containers.util.pool.NonBlockingPool$ReSizeWork.service()V+1
j com.sun.ejb.containers.util.WorkAdapter.doWork()V+11
J com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run()V
v ~StubRoutines::call_stub

The full hs_err log is attached.

We're having some troubles reading the core file even though there seem to be no mismatched libraries and the core file doesn't appear to be truncated. The stack for
this thread from pstack is:

----------------- lwp# 5168 / thread# 5168 --------------------
 fffffd7fff2cc99a _lwp_kill () + a
 fffffd7fff271c89 raise () + 19
 fffffd7fff251210 abort () + 90
 fffffd7ffed6e284 __1cCosFabort6Fb_v_ () + 44
 fffffd7ffee861b8 __1cHVMErrorOreport_and_die6M_v_ () + 948
 fffffd7ffe7a4efe JVM_handle_solaris_signal () + 7ae
 fffffd7ffe7a506e signalHandler () + e
 fffffd7fff2c7176 __sighndlr () + 6
 fffffd7fff2bba72 call_user_handler () + 252
 fffffd7fff2bbc8e sigacthandler (b, fffffd7f3f61a500, fffffd7f3f61a1a0) + de
 --- called from signal handler with signal 11 (SIGSEGV) ---
 fffffd7ffb158ded ???????? () + fffffffffbda84cd
 fffffd7ffb0058c9 * com/sun/ejb/containers/util/pool/NonBlockingPool.doResize()V
+0
 fffffd7ffb005a22 * com/sun/ejb/containers/util/pool/NonBlockingPool$ReSizeWork.
run()V+4 (line 1156)
 fffffd7ffb005a22 * com/sun/ejb/containers/util/pool/NonBlockingPool$ReSizeWork.
service()V+1 (line 1140)
 fffffd7ffb005efc * com/sun/ejb/containers/util/WorkAdapter.doWork()V+11 (line 1
49)
 fffffd7ffc3a2618 * *com/sun/corba/ee/impl/orbutil/threadpool/ThreadPoolImpl$Wor
kerThread.run()V [compiled] +101 (line 1128)

Please see Comments for pointer to the actual core file.