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  1. Tajo (Retired)
  2. TAJO-1549

NPE avoidance on makeStageHistory Function in Stage.java

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Duplicate
    • 0.11.0
    • None
    • QueryMaster
    • None

    Description

      There are some possibility on NPE in makeStageHistory function. It is not a quite big issue on Tajo Cluster, but it could be lessened error logs.

      java.lang.NullPointerException
	at org.apache.tajo.querymaster.Stage.makeStageHistory(Stage.java:471)
	at org.apache.tajo.querymaster.Stage.getStageHistory(Stage.java:445)
	at org.apache.tajo.querymaster.Query.makeStageHistories(Query.java:295)
	at org.apache.tajo.querymaster.Query.getQueryHistory(Query.java:288)
	at org.apache.tajo.querymaster.QueryMaster$QueryMasterContext.stopQuery(QueryMaster.java:369)
	at org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:425)
	at org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:422)
	at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
	at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
	at java.lang.Thread.run(Thread.java:701)

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. TAJO-1522 NPE making stage history before task scheduler is initialized

          • Trivial - Cosmetic problem like misspelt words or misaligned text.
          • Resolved

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              Unassigned Unassigned
              ykrips Jihun Kang
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              Dates

                Created:
                Updated:
                Resolved: