Jerry Cwiklik created UIMA-2479:
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Summary: Modify UIMA-AS JMS Listener to Allow Incoming CAS While
The Listener is Stopping
Key: UIMA-2479
URL: https://issues.apache.org/jira/browse/UIMA-2479
Project: UIMA
Issue Type: Improvement
Components: Async Scaleout
Reporter: Jerry Cwiklik
Priority: Minor
Fix For: 2.4.0AS
When in quiesce mode, the UIMA-AS service stops its jms listeners to prevent
more CASes from coming in. In a rare event when the listener is told to stop,
it may actually may be reading a message from its queue. In such case, the jms
listener rejects the message. This effectively results in a message loss. The
listener should allow the message to be processed instead. There is an API
which allows for programmatic override of the default behavior
acceptMessagesWhileStopping(true/false). The UIMA-AS code should change the
setting to true to allow the message while the listener is stopping.
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