OC4J 10.1.3.x Crashes when Using Sun Hotspot JDK 1.6 when with "client" VM (Doc ID 944771.1)

Last updated on DECEMBER 05, 2016

Applies to:

Oracle Containers for J2EE - Version 10.1.3.1.0 to 10.1.3.5.0 [Release AS10gR3]
Information in this document applies to any platform.
***Checked for relevance on 14-Jan-2013Y***

Symptoms

OC4J 10.1.3.1.0 to OC4J 10.1.3.5.0 is configured to use JDK 1.6.0_14-b08

OC4J is crashing randomly with the following error in log,

09/09/14 23:18:43 java.lang.NullPointerException
09/09/14 23:18:43 at
EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$HashIterator.hasNext(ConcurrentReaderHashMa
p.java:1224)
09/09/14 23:18:43 at
com.evermind.server.http.HttpApplication.removeUnusedCacheFiles(HttpApplication.java:2549)
09/09/14 23:18:43 at com.evermind.server.http.HttpSite.removeUnusedCacheFiles(HttpSite.java:909)
09/09/14 23:18:43 at
com.evermind.server.http.SessionTimeoutTask.updateCaches(SessionTimeoutTask.java:162)
09/09/14 23:18:43 at com.evermind.server.http.SessionTimeoutTask.run(SessionTimeoutTask.java:132)
09/09/14 23:18:43 at com.evermind.util.Task.schedule(Task.java:51)
09/09/14 23:18:43 at com.evermind.util.TaskManager.run(TaskManager.java:212)
09/09/14 23:18:43 at
com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.jav
a:298)
09/09/14 23:18:43 at java.lang.Thread.run(Thread.java:619)
09/09/14 23:22:54 java.lang.NullPointerException
09/09/14 23:22:54 at
EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$HashIterator.hasNext(ConcurrentReaderHashMa
p.java:1224)
09/09/14 23:22:54 at
com.evermind.server.http.HttpApplication.removeUnusedCacheFiles(HttpApplication.java:2549)
09/09/14 23:22:54 at com.evermind.server.http.HttpSite.removeUnusedCacheFiles(HttpSite.java:909)
09/09/14 23:22:54 at
com.evermind.server.http.SessionTimeoutTask.updateCaches(SessionTimeoutTask.java:162)
09/09/14 23:22:54 at com.evermind.server.http.SessionTimeoutTask.run(SessionTimeoutTask.java:132)
09/09/14 23:22:54 at com.evermind.util.Task.schedule(Task.java:51)
09/09/14 23:22:54 at com.evermind.util.TaskManager.run(TaskManager.java:212)
09/09/14 23:22:54 at
com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.jav
a:298)
09/09/14 23:22:54 at java.lang.Thread.run(Thread.java:619)
09/09/14 23:27:04 java.lang.NullPointerException
09/09/14 23:27:04 at
EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$HashIterator.hasNext(ConcurrentReaderHashMa
p.java:1224)
09/09/14 23:27:04 at
com.evermind.server.http.HttpApplication.removeUnusedCacheFiles(HttpApplication.java:2549)
09/09/14 23:27:04 at com.evermind.server.http.HttpSite.removeUnusedCacheFiles(HttpSite.java:909)
09/09/14 23:27:04 at
com.evermind.server.http.SessionTimeoutTask.updateCaches(SessionTimeoutTask.java:162)
09/09/14 23:27:04 at com.evermind.server.http.SessionTimeoutTask.run(SessionTimeoutTask.java:132)
09/09/14 23:27:04 at com.evermind.util.Task.schedule(Task.java:51)
09/09/14 23:27:04 at com.evermind.util.TaskManager.run(TaskManager.java:212)
09/09/14 23:27:04 at
com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.jav
a:298)
09/09/14 23:27:04 at java.lang.Thread.run(Thread.java:619)
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xfc8cf8ac, pid=10614, tid=36
#
# JRE version: 6.0_14-b08
# Java VM: Java HotSpot(TM) Client VM (14.0-b16 mixed mode, sharing solaris-sparc )
# Problematic frame:
# J EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$HashIterator.hasNext()Z
#
# An error report file with more information is saved as:
# /wfweb/hs_err_pid10614.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Abort - core dumped




Cause

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