Gengliang Wang created SPARK-22763:
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             Summary: SHS: Ignore unknown events and parse through the file
                 Key: SPARK-22763
                 URL: https://issues.apache.org/jira/browse/SPARK-22763
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.2.1
            Reporter: Gengliang Wang


While spark code changes, there are new events in event log:
https://github.com/apache/spark/pull/19649

And we used to maintain a whitelist to avoid exceptions:
https://github.com/apache/spark/pull/15663/files

Currently Spark history server will stop parsing on unknown events or 
unrecognized properties. We may still see part of the UI data.

For better compatibility, we can ignore unknown events and parse through the 
log file.



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