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java.lang.OutOfMemoryError Reported by the GlassFish Message Queue Broker Caused by DirectByteBuffer Allocations (Doc ID 1319317.1)

Last updated on JULY 20, 2021

Applies to:

Oracle GlassFish Server - Version 2.1 and later
Information in this document applies to any platform.
***Checked for relevance on 17-Jun-2013***


When running GlassFish Message Queue on a 32-bit JVM with a large Java heap and with a "shared" thread pool management configuration for the Message Queue (MQ) broker, an "OutOfMemoryError" could occur. An error message similar to this can be seen in the MQ broker's  log file:


Changing the thread pool management configuration mode from "dedicated", which is the default, to "shared", as described in the MQ Administration Guide, can trigger this issue.


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