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HTTPSession Replication Causes OC4J to Appear to Be Hung (Doc ID 744080.1)

Last updated on MARCH 01, 2019

Applies to:

Oracle Containers for J2EE - Version 10.1.3.1.0 to 10.1.3.3.0 [Release AS10gR3]
Information in this document applies to any platform.

Symptoms

When attempting to stress test an application deployed in a OAS cluster setup using HTTP session replication the following thread dump stack trace will appear. This causes the container to appear to have hung and must be restarted to continue using the application.

Thread dump 1/2 "AJPRequestHandler-RMICallHandler-14" prio=1 tid=<TID> nid=<NID> in
Object.wait() [0x62882000..0x62883020] at java.lang.Object.wait(Native Method) -
waiting on <0x7ba70148> (a
EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$ReaderLock) at
java.lang.Object.wait(Object.java:474) at

EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$ReaderLock.acquire(WriterPreferenceRe
adWriteLock.java:199) - locked <
0x7ba70148> (a EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$ReaderLock)
at com.oracle.jgroups.TestAndWaitLock.doAcquire(TestAndWaitLock.java:131) at
com.oracle.jgroups.TestAndWaitLock.acquire(TestAndWaitLock.java:126) at
com.oracle.bricks.j2ee.LiveSession.setLastAccessed(LiveSession.java:214) at
com.oracle.bricks.j2ee.LiveSession.get(LiveSession.java:296) at
com.oracle.bricks.j2ee.SessionFacade.get(SessionFacade.java:64) at
com.evermind.server.http.JGroupHttpSession.getValueFromMap(JGroupHttpSession.java:138) at
com.evermind.server.http.EvermindHttpSession.getAttribute(EvermindHttpSession.java:208) -
locked <
0x7ba6ff00> (a com.evermind.server.http.JGroupHttpSession) at
oracle.adf.share.http.HttpUtil.getAttribute(HttpUtil.java:98) at
oracle.adf.share.http.HttpSessionScopeAdapter.get(HttpSessionSc

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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