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https://issues.apache.org/jira/browse/FLINK-5232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vinoyang reassigned FLINK-5232:
-------------------------------
Assignee: vinoyang
> Add a Thread default uncaught exception handler on the JobManager
> -----------------------------------------------------------------
>
> Key: FLINK-5232
> URL: https://issues.apache.org/jira/browse/FLINK-5232
> Project: Flink
> Issue Type: Sub-task
> Components: JobManager
> Reporter: Stephan Ewen
> Assignee: vinoyang
> Priority: Major
>
> When some JobManager threads die because of uncaught exceptions, we should
> bring down the JobManager. If a thread dies from an uncaught exception, there
> is a high chance that the JobManager becomes dysfunctional.
> The only sfae thing is to rely on the JobManager being restarted by YARN /
> Mesos / Kubernetes / etc.
> I suggest to add this code to the JobManager launch:
> {code}
> Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler() {
> @Override
> public void uncaughtException(Thread t, Throwable e) {
> try {
> LOG.error("Thread {} died due to an uncaught exception. Killing
> process.", t.getName());
> } finally {
> Runtime.getRuntime().halt(-1);
> }
> }
> });
> {code}
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