The bugzilla bug report # 169995 "Crash running pthread_kill on dead thread" at https://bugzilla.redhat.com/show_bug.cgi?id=169995 has been closed as "NOTABUG".

The problem is that the Java Runtime Environment can crash due to the behavior described in the bugzilla bug report # 169995. hs_err_pid*.log files have been attached to this Sun report. For detailled customer information see the comments section.

Example:

# Problematic frame:
# C  [libpthread.so.0+0x80c9]  pthread_kill+0x19

The top of stack trace shows us

Stack: [0x96528000,0x965a9000),  sp=0x965a7eec,  free space=511k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C  [libpthread.so.0+0x80c9]  pthread_kill+0x19
C  [libnio.so+0x55d7]  Java_sun_nio_ch_NativeThread_signal+0x27
j  sun.nio.ch.NativeThread.signal(J)V+0
...