My Oracle Support Banner

J2EE Application Using Coherence As Hibernate L2 Cache Leaks Memory On MapEvent And Eventually Fails With OOME (Doc ID 1492669.1)

Last updated on MAY 29, 2024

Applies to:

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


In a WLS 10.3.6 environment with Coherence using Coherence as a L2 Cache for Hibernate, there is an OOME (java.lang.OutOfMemoryError) reported after 3-4 days of operation. There is a very clear memory leak caused by

There are three instances of this class use 91% of the WLS heap. Each instance of contains in turn around 20000 instances each of com.tangosol.coherence.component.util.daemon.queueProcessor , service , grid.partitionedService.PartitionedCache$MapEvent.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.