WebCenter Portal Getting STUCK THREADS ON REENTRANTLOCK IN ORACLE.ADF.MODEL.DCFRAME.DATACONTROLFRAMEIMPL (Doc ID 2281881.1)

Last updated on JULY 03, 2017

Applies to:

Oracle WebCenter Portal - Version 12.2.1.0.160419 and later
Information in this document applies to any platform.

Symptoms

WebCenter Portal Servers are going to Warning state and seeing more stuck threads - REENTRANT LOCKs.


Stuck thread is like:

[STUCK] ExecuteThread: '71' for queue: 'weblogic.kernel.Default (self-tuning)'" Id=103 WAITING on java.util.concurrent.locks.ReentrantLock$NonfairSync@3d314c8a owned by "[STUCK] ExecuteThread: '61' for queue: 'weblogic.kernel.Default (self-tuning)'" Id=93
at sun.misc.Unsafe.park(Native Method)

- waiting on java.util.concurrent.locks.ReentrantLock$NonfairSync@3d314c8a
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199)
at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:209)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:285)
at oracle.adf.model.dcframe.DataControlFrameImpl.lock(DataControlFrameImpl.java:586)
at oracle.adf.model.BindingContext.setCurrentFrame(BindingContext.java:2837)
at oracle.adf.model.BindingContext.setCurrentDataControlFrame(BindingContext.java:2706)
at oracle.adfinternal.controller.util.model.DCFrameImpl.makeCurrent(DCFrameImpl.java:156)
at oracle.adfinternal.controller.state.ViewPortContextImpl.makeCurrent(ViewPortContextImpl.java:1199)
at oracle.adfinternal.controller.state.RequestState.setCurrentViewPortContext(RequestState.java:181)

 

Cause

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