Mediator Hangs when Invoking BPEL Process (Doc ID 1407948.1)

Last updated on MAY 09, 2016

Applies to:

Oracle SOA Suite - Version 11.1.1.4.0 and later
Information in this document applies to any platform.

Symptoms

Mediator component hangs when trying to invoke BPEL Process. It works the first time after bouncing the SOA server, and then stops working.

Log files don't show any relevant information even with log trace level FINEST 32. However thread dumps show the following for bpel.orabpel.invoke threads

...
3XMTHREADINFO "orabpel.invoke.pool-4.thread-2"
J9VMThread:0x000000012D354100, j9thread_t:0x000000012CB492A0,
java/lang/Thread:0x0700000024E80BB8, state:P, prio=5
3XMTHREADINFO1 (native thread ID:0x1EE000F, native priority:0x5,
native policy:UNKNOWN)
3XMTHREADINFO3 Java callstack:
4XESTACKTRACE at sun/misc/Unsafe.park(Native Method)
4XESTACKTRACE at
java/util/concurrent/locks/LockSupport.park(LockSupport.java:173)
...


Also the logs show that BPEL dispatch gets called from Mediator but nothing happens after that :

...
[2011-11-03T19:28:53.241-04:00] [soa_server1] [TRACE] []
[oracle.soa.bpel.engine.dispatch] [tid:
weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@3d9a3d9a] [userId:
<anonymous>] [ecid:
4147d72faa9ced04:347eb9a3:1336bb320cd:-8000-00000000000014bd,0] [APP:
soa-infra] [SRC_METHOD: insert] [SRC_CLASS: Dispatcher] Received batch
message, 1 messages
[InvokeInstanceMessage{97715C20067311E1BFD5C305DD7624DF}{ID=308,p=5,o=0,c=1,32
0,362,932,965}]
[2011-11-03T19:28:53.241-04:00] [soa_server1] [TRACE] []
[oracle.soa.bpel.engine.dispatch] [tid:
weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@3d9a3d9a] [userId:
<anonymous>] [ecid:
4147d72faa9ced04:347eb9a3:1336bb320cd:-8000-00000000000014bd,0] [APP:
soa-infra] [SRC_METHOD: receive] [SRC_CLASS: SystemDispatchSet] Receiving
message
[InvokeInstanceMessage{97715C20067311E1BFD5C305DD7624DF}{ID=308,p=5,o=0,c=1,32
0,362,932,965}] for set system
[2011-11-03T19:28:53.241-04:00] [soa_server1] [TRACE] []
[oracle.soa.bpel.engine.dispatch] [tid:
weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@3d9a3d9a] [userId:
<anonymous>] [ecid:
4147d72faa9ced04:347eb9a3:1336bb320cd:-8000-00000000000014bd,0] [APP:
soa-infra] [SRC_METHOD: receive] [SRC_CLASS: InvokeDispatchSet] Receiving
message
[InvokeInstanceMessage{97715C20067311E1BFD5C305DD7624DF}{ID=308,p=5,o=0,c=1,32
0,362,932,965}] for set invoke
[2011-11-03T19:28:53.241-04:00] [soa_server1] [TRACE] []
[oracle.soa.bpel.engine.dispatch] [tid:
weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@3d9a3d9a] [userId:
<anonymous>] [ecid:
4147d72faa9ced04:347eb9a3:1336bb320cd:-8000-00000000000014bd,0] [APP:
soa-infra] [SRC_METHOD: receive] [SRC_CLASS: EngineDispatchSet] Receiving
message [] for set engine
...

Cause

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