Joseph Sims created FLINK-4741:
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Summary: WebRuntimeMonitor does not shut down all of it's threads
(EventLoopGroups) on exit.
Key: FLINK-4741
URL: https://issues.apache.org/jira/browse/FLINK-4741
Project: Flink
Issue Type: Bug
Components: Core
Affects Versions: 1.1.2
Reporter: Joseph Sims
WebRuntimeMonitor does not shutdown correctly, causing the overall application
to hang on shutdown. It shuts down bootstrap.group (EventLoopGroup) but not the
bootstrap.childGroup (EventLoopGroup).
If WebRuntimeMonitor is not used (local.start-webserver=false), this problem
does not occur.
Class: WebRuntimeMonitor
method: stop()
Line: ~387
Called:
bootstrap.group().shutdownGracefully()
Not called:
bootstrap.childGroup().shutdownGracefully()
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