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Coherence OutOfMemoryError Exception Triggered by High EntryProcessor Load During a Failover (Doc ID 1424173.1)

Last updated on FEBRUARY 22, 2024

Applies to:

Oracle Coherence - Version 3.7.1 and later
Information in this document applies to any platform. *** ***


A Coherence storage node reports a Java OutOfMemoryError.  The applications using the cluster make use of entry processors and at recently one or more cluster storage nodes have been restarted for operational reasons, that is they've not failed abnormally before the OutOfMemoryError occurs. 

Configuring the Coherence nodes to produce a heap dump when the OutOfMemoryError, by setting the following Java runtime flags:


This issue isn't seen in 3.7.0 or earlier releases and potentially can occur after upgrading to 3.7.1.


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