The error J2CA0091E might be issued when the server is
shutdown after a stop command has been issued and the server might be
hanging.
Looking closer at the meaning of the J2CA0091E error:
J2CA0091E: An InterruptedException occurred on the Garbage Collector
thread.
Explanation: An unexpected InterruptedException occurred on the Garbage
Collector thread. J2C processing will continue, however Unused and Aged
connections will not be collected.
User Response: If the problem persists, see problem determination
information on the WebSphere Application Server Support page. Verify if
the Controller region or Servant region outputs have any additional error
messages. If so, then follow a standard procedure seeking explanation and
user response for those errors. Also, check if you see any further
indication of a problem: abends, crushes or any other unusual behavior.
If message J2CA0091E is following right after the servant process was
stopped, this would explain that some unused connections might have not be
collected. If no other failures are reported, then the error message
J2CA0091E is not significant and should not be a cause for a concern.
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