Jerry Cwiklik created UIMA-5391:
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Summary: UIMA-AS: sendAndReceive() should throw Exception when
client is in shutdown mode
Key: UIMA-5391
URL: https://issues.apache.org/jira/browse/UIMA-5391
Project: UIMA
Issue Type: Bug
Components: Async Scaleout
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.10.0AS
When an application calls UIMA-AS client sendAndReceive() its thread will
block until a reply comes back or stop() is called.
While a thread blocks in sendAndReceive() a System.exit() may be called causing
the UIMA-AS client ShutdownHook to call stop(). This method will cleanup
resources including a semaphore where an application thread blocks in
sendAndReceive. In this case, the sendAndReceive() simply returns realizing
that the client is not in a running state. The application is not aware that
the sendAndReceive() was essentially interrupted as a reply had not been
received. The application may consider the CAS as processed as there was no
exception,
The sendAndReceive() should throw an exception if UIMA-AS client stop() was
called while an application thread blocked awaiting reply from a service. Throw
ResourceProcessException with cause = UimaAsClientStoppingException. This will
let the application know about the cause of the interrupt.
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