[jira] [Created] (KAFKA-12699) Streams no longer overrides the java default uncaught exception handler

["Walker Carlson (Jira)" <ji...@apache.org>]

Walker Carlson created KAFKA-12699:
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             Summary: Streams no longer overrides the java default uncaught exception handler  
                 Key: KAFKA-12699
                 URL: https://issues.apache.org/jira/browse/KAFKA-12699
             Project: Kafka
          Issue Type: Bug
          Components: streams
    Affects Versions: 2.8.0
            Reporter: Walker Carlson


If a user used `Thread.setUncaughtExceptionHanlder()` to set the handler for all threads in the runtime streams would override that with its own handler. However since streams does not use the `Thread` handler anymore it will no longer do so. This can cause problems if the user does something like `System.exit(1)` in the handler. 

 

If using the old handler in streams it will still work as it used to



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