[jira] [Created] (HIVE-16848) NPE during CachedStore refresh

["Daniel Dai (JIRA)" <ji...@apache.org>]

Daniel Dai created HIVE-16848:
---------------------------------

             Summary: NPE during CachedStore refresh
                 Key: HIVE-16848
                 URL: https://issues.apache.org/jira/browse/HIVE-16848
             Project: Hive
          Issue Type: Bug
          Components: Metastore
            Reporter: Daniel Dai
            Assignee: Daniel Dai


CachedStore refresh only happen once due to NPE. ScheduledExecutorService canceled subsequent refreshes:

{code}
java.lang.NullPointerException
    at org.apache.hadoop.hive.metastore.cache.CachedStore$CacheUpdateMasterWork.updateTableColStats(CachedStore.java:458)
    at org.apache.hadoop.hive.metastore.cache.CachedStore$CacheUpdateMasterWork.run(CachedStore.java:348)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:748)
{code}



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