OutOfMemoryError With Huge Amount of ServiceMigrationDataRuntimeMbeanImpl Occurrences In Heap Dump (Doc ID 1663991.1)

Last updated on SEPTEMBER 12, 2016

Applies to:

Oracle Communications Converged Application Server - Version 5.0.0 and later
Information in this document applies to any platform.

Symptoms

On a virtualization system where physical memroy size is 10G, OCCAS managed server log reported OutOfMemoryError and also lost one port.

Analyzing heap dump:
- About 300000 occurrences of ServiceMigrationDataRuntimeMbeanImpl
- Large number of chunks (weblogic.io.utils.Chunk) representing up to 68Mb of remaining data to send, and several times more than 60Mb

Cause

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