BPM Composer hangs waiting for, 'com.oracle.common.base.SingleWaiterCooperativeNotifier' (Doc ID 2028391.1)

Last updated on JULY 28, 2016

Applies to:

Oracle Business Process Management Suite - Version 12.1.3.0.0 and later
Information in this document applies to any platform.

Symptoms

The Composer application stalls and appears to be stuck answering any requests. Checking the thread dumps the following would be noticed:

"[ACTIVE] ExecuteThread: '15' for queue: 'weblogic.kernel.Default (self-tuning)'" #140 daemon prio=5 os_prio=0 tid=0x00007f37a8011000 nid=0x21ba0 waiting on condition [0x00007f36bcc19000]
  java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for (a com.oracle.common.base.SingleWaiterCooperativeNotifier)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at com.oracle.common.base.SingleWaiterMultiNotifier.await(SingleWaiterMultiNotifier.java:54)
at com.oracle.common.base.SingleWaiterCooperativeNotifier.await(SingleWaiterCooperativeNotifier.java:49)
at com.tangosol.coherence.component.net.Poll.waitCompletion(Poll.CDB:6)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.poll(Grid.CDB:24)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.poll(Grid.CDB:1)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.partitionedService.PartitionedCache$BinaryMap.get(PartitionedCache.CDB:24)
at com.oracle.common.collections.ConverterCollections$ConverterMap.get(ConverterCollections.java:1522)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.partitionedService.PartitionedCache$ViewMap.get(PartitionedCache.CDB:1)
at com.tangosol.coherence.component.util.SafeNamedCache.get(SafeNamedCache.CDB:1)
at oracle.bpm.bac.security.impl.coh.CoherenceSecurityCoreServiceImpl.getSpaceRoleFor(CoherenceSecurityCoreServiceImpl.java:291)
at oracle.bpm.bac.security.impl.coh.CoherenceSecurityCoreServiceImpl.assertPrivilegeForSpace(CoherenceSecurityCoreServiceImpl.java:160)
at sun.reflect.GeneratedMethodAccessor1863.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at oracle.bpm.bac.security.impl.coh.CoherenceSecurityCoreServiceImpl$UnwrapRuntimeExceptionHandler.invoke(CoherenceSecurityCoreServiceImpl.java:543)
at com.sun.proxy.$Proxy531.assertPrivilegeForSpace(Unknown Source)
at oracle.bpm.bac.security.impl.SpacesSecurityServiceImpl.getSpace(SpacesSecurityServiceImpl.java:109)
at oracle.bpm.bac.ejb.SpacesSecurityServiceBean.getSpace(SpacesSecurityServiceBean.java:166)
at sun.reflect.GeneratedMethodAccessor1927.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at com.oracle.pitchfork.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:100)
...


(notice the thread waiting on Coherence related data)

Cause

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