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Getting "java.lang.OutOfMemoryError: Failed to fork OS thread" Exceptions (Doc ID 1025422.1)

Last updated on MAY 01, 2018

Applies to:

Oracle Java CAPS - Version 5.1.0 and later
IBM AIX on POWER Systems (32-bit)


A JavaCAPS Domain running on AIX 5.3 crashes at random times, generating a javacore file in the domain's config directory (./is/domains/<domain1/config/). The top section of the javacore file says that the Event causing the javacore was an uncaught "java.lang.OutOfMemoryError: Failed to fork OS thread" exception. The Domain has plenty of free memory available in the heap, and does not have a lot of threads running.


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