[jira] [Created] (TEZ-3181) History parser : Handle invalid/unsupported history event types gracefully

["Rajesh Balamohan (JIRA)" <ji...@apache.org>]

Rajesh Balamohan created TEZ-3181:
-------------------------------------

             Summary: History parser : Handle invalid/unsupported history event types gracefully
                 Key: TEZ-3181
                 URL: https://issues.apache.org/jira/browse/TEZ-3181
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Rajesh Balamohan
            Assignee: Rajesh Balamohan


TEZ-2581 changed/renamed some of HistoryEventType. This causes parser to throw exception when trying to parse 0.7.x ATS data with 0.8.x parser.

{noformat}
 Exception in thread "main" java.lang.IllegalArgumentException: No enum constant org.apache.tez.dag.history.HistoryEventType.VERTEX_PARALLELISM_UPDATED
       at java.lang.Enum.valueOf(Enum.java:238)
       at org.apache.tez.dag.history.HistoryEventType.valueOf(HistoryEventType.java:21)
       at org.apache.tez.history.parser.datamodel.VertexInfo.<init>(VertexInfo.java:117)
       at org.apache.tez.history.parser.datamodel.VertexInfo.create(VertexInfo.java:159)
       at org.apache.tez.history.parser.ATSFileParser.processVertices(ATSFileParser.java:98)
       at org.apache.tez.history.parser.ATSFileParser.parseATSZipFile(ATSFileParser.java:202)
       at org.apache.tez.history.parser.ATSFileParser.getDAGData(ATSFileParser.java:70)
{noformat}

Long term fix is to have versioning support (TEZ-3179) in ATS data.



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