Keith Wall created QPID-7161:
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Summary: System test output lost owing to orphaned shutdown hooks
Key: QPID-7161
URL: https://issues.apache.org/jira/browse/QPID-7161
Project: Qpid
Issue Type: Bug
Components: Java Broker, Java Tests
Reporter: Keith Wall
When the Broker exits, normally {{AbstractSystemConfig}} organises for the
shutdown hook to be removed ({{#onClose}}). If {{AbstractSystemConfig}} fails
to close all its children, the step to remove the shutdown hook never gets
executed. For normal production use cases this is harmless; the Broker is
going down anyway. However when testing the Broker using its system test suite
this is problematic.
Our Logback configuration associates threads to test specific log file. The
ShutdownHook still maintains this association, even though QpidTestCase has
already told Logback that the test is through {{org.slf4j.MDC#remove}}. As
Logback believes the test is through, when the Shutdown hook awakes and logs,
Logback truncates the tests' logfiles, removing the details of why the test
actually failed in the first place.
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