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JBoss frequent crash and problem with JDK version?

Jboss application server is getting crashed frequently in production environment. When Jboss crashed there won't be any shut down messages in the log files. Only Jboss process will killed.We contacted JBoss and they analyzed the log for JBoss and suggested in following mail.

Hello,

Examining the hs_err_pid2533.log we see the following:

# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00002b627c0e063c, pid=2533, tid=47704476666176
#
# JRE version: 6.0_18-b07
# Java VM: Java HotSpot(TM) 64-Bit Server VM (16.0-b13 mixed mode linux-amd64 )
# Problematic frame:
# V  [libjvm.so+0x62263c]
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#

---------------  T H R E A D  ---------------

Current thread (0x0000000049517000):  GCTaskThread [stack: 0x00002b631052c000,0x00002b631062d000] [id=2535]
[...]
Stack: [0x00002b631052c000,0x00002b631062d000],  sp=0x00002b631062bbe0,  free space=3fe0000000000000018k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x62263c]
V  [libjvm.so+0x6230b0]
V  [libjvm.so+0x6222d4]
V  [libjvm.so+0x23d872]
V  [libjvm.so+0x62583b]
V  [libjvm.so+0x365dda]
V  [libjvm.so+0x5da2af]
[...]
Heap
PSYoungGen      total 622016K, used 621956K [0x00002b62e52e0000, 0x00002b630fc80000, 0x00002b630fd80000)
  eden space 573184K, 100% used [0x00002b62e52e0000,0x00002b63082a0000,0x00002b63082a0000)
  from space 48832K, 99% used [0x00002b63082a0000,0x00002b630b241078,0x00002b630b250000)
  to   space 62144K, 30% used [0x00002b630bfd0000,0x00002b630d210f90,0x00002b630fc80000)
PSOldGen        total 1398144K, used 1185599K [0x00002b628fd80000, 0x00002b62e52e0000, 0x00002b62e52e0000)
  object space 1398144K, 84% used [0x00002b628fd80000,0x00002b62d834fd98,0x00002b62e52e0000)
PSPermGen       total 166848K, used 164739K [0x00002b627fd80000, 0x00002b628a070000, 0x00002b628fd80000)
  object space 166848K, 98% used [0x00002b627fd80000,0x00002b6289e60d08,0x00002b628a070000)
[...]

From the above we can see that this crash occurred inside the JVM layer, specifically in the GCTaskThread.  Additionally, you are running Oracle's JDK:

  # Java VM: Java HotSpot(TM) 64-Bit Server VM (16.0-b13 mixed mode linux-amd64 )

As this crash occurred inside the JDK layer, and we do not provide this JDK, I would strongly recommend contacting Oracle to determine if there are any known bugs.  Searching their knowledge base I was able to find the following which is very similar:

  JDK-6952590 : SIGSEGV in GCTaskThread
  http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6952590

However, I would contact Oracle to confirm that this is issue is a match, or to determine if there is another known issue inside this JDK.

Please let me know if you have any questions on the above.

Sincerely,

Christian Huffman

Anyone from oracle support team , could you please advice on the above issue asap as we are facing this issues frequently.

Regards,

Jaswinder Singh

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