[jira] [Created] (FLINK-11103) Set a default uncaught exception handler

[Nico Kruber (JIRA)]

Nico Kruber created FLINK-11103:
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             Summary: Set a default uncaught exception handler
                 Key: FLINK-11103
                 URL: https://issues.apache.org/jira/browse/FLINK-11103
             Project: Flink
          Issue Type: Improvement
          Components: TaskManager
    Affects Versions: 1.8.0
            Reporter: Nico Kruber


We should set a default uncaught exception handler in Flink via 
{{Thread.setDefaultUncaughtExceptionHandler()}} which at least logs the 
exceptions. Ideally, we would even fail the job (could make this configurable) 
but users may have some ill-behaving threads, e.g. through libraries, which 
they would want to tolerate and we don't want to change behaviour now.

(FLINK-5232 added this for the JobManager, we need it for the TaskManager)



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