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https://issues.apache.org/jira/browse/HIVE-21479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16797022#comment-16797022
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Hive QA commented on HIVE-21479:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12963016/HIVE-21479.1.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 15832 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/16586/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16586/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16586/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12963016 - PreCommit-HIVE-Build
> NPE during metastore cache update
> ---------------------------------
>
> Key: HIVE-21479
> URL: https://issues.apache.org/jira/browse/HIVE-21479
> Project: Hive
> Issue Type: Bug
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Priority: Major
> Attachments: HIVE-21479.1.patch
>
>
> Saw the following stack during a long periodical update:
> {code}
> 2019-03-12T10:01:43,015 ERROR [CachedStore-CacheUpdateService: Thread-36]
> cache.CachedStore: Update failure:java.lang.NullPointerException
> at
> org.apache.hadoop.hive.metastore.cache.CachedStore$CacheUpdateMasterWork.updateTableColStats(CachedStore.java:508)
> at
> org.apache.hadoop.hive.metastore.cache.CachedStore$CacheUpdateMasterWork.update(CachedStore.java:461)
> at
> org.apache.hadoop.hive.metastore.cache.CachedStore$CacheUpdateMasterWork.run(CachedStore.java:396)
> at
> java.util.concurrent.Executors$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:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> The reason is we get the table list at very early stage and then refresh
> table one by one. It is likely table is removed during the interim. We need
> to deal with this case during cache update.
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