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https://issues.apache.org/jira/browse/HIVE-16848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vaibhav Gumashta updated HIVE-16848:
------------------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: HIVE-16520

> NPE during CachedStore refresh
> ------------------------------
>
>                 Key: HIVE-16848
>                 URL: https://issues.apache.org/jira/browse/HIVE-16848
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Metastore
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HIVE-16848.1.patch, HIVE-16848.2.patch
>
>
> CachedStore refresh only happen once due to NPE during refresh of column 
> statistics. 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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