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https://issues.apache.org/jira/browse/HIVE-16848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Thejas M Nair updated HIVE-16848:
---------------------------------
Description:
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$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
{code}
was:
CachedStore refresh only happen once due to NPE. ScheduledExecutorService
canceled subsequent refreshes:
{code}
java.lang.NullPointerException
at
org.apache.hadoop.hive.metastore.cache.CachedStore$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$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
{code}
> NPE during CachedStore refresh
> ------------------------------
>
> Key: HIVE-16848
> URL: https://issues.apache.org/jira/browse/HIVE-16848
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Attachments: HIVE-16848.1.patch, HIVE-16848.2.patch
>
>
> CachedStore refresh only happen once due to NPE during refresh of column
> statistics. ScheduledExecutorService canceled subsequent refreshes:
> {code}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.metastore.cache.CachedStore$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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