Shilun Fan created YARN-11642:
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Summary: Fix Flask Test
TestTimelineAuthFilterForV2#testPutTimelineEntities
Key: YARN-11642
URL: https://issues.apache.org/jira/browse/YARN-11642
Project: Hadoop YARN
Issue Type: Improvement
Components: timelineservice
Affects Versions: 3.5.0
Reporter: Shilun Fan
Assignee: Shilun Fan
Our current unit tests are all executed in parallel.
TestTimelineAuthFilterForV2#testPutTimelineEntities will report an error during
execution:
{code:java}
[main] collector.PerNodeTimelineCollectorsAuxService
(StringUtils.java:startupShutdownMessage(755)) - failed to register any UNIX
signal loggers:
java.lang.IllegalStateException: Can't re-install the signal handlers.
{code}
We can solve this problem by changing static initialization to new Object.
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