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ConcurrentModificationException When Serializing Using POF (Doc ID 844557.1)

Last updated on FEBRUARY 28, 2019

Applies to:

Oracle Coherence - Version 3.4.2 to 3.4.2
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

Portable Object Format (POF) serialization sometimes runs into the following ConcurrentModificationException.

Caused by: java.util.ConcurrentModificationException
at java.util.WeakHashMap$HashIterator.nextEntry(WeakHashMap.java:762)
at java.util.WeakHashMap$EntryIterator.next(WeakHashMap.java:801)
at java.util.WeakHashMap$EntryIterator.next(WeakHashMap.java:799)
at com.tangosol.io.pof.ConfigurablePofContext.getUserTypeIdentifierInternal(ConfigurablePofContext.java:538)
at com.tangosol.io.pof.ConfigurablePofContext.isUserType(ConfigurablePofContext.java:476)
at com.tangosol.io.pof.ConfigurablePofContext.isUserType(ConfigurablePofContext.java:468)
at com.tangosol.io.pof.PofHelper.getJavaTypeId(PofHelper.java:77)
at com.tangosol.io.pof.PofBufferWriter.writeObject(PofBufferWriter.java:1269)
at com.tangosol.io.pof.PofBufferWriter$UserTypeWriter.writeObject(PofBufferWriter.java:2079)
at com.tangosol.io.pof.PofBufferWriter.writeMap(PofBufferWriter.java:1739)

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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