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https://issues.apache.org/jira/browse/IMPALA-7520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-7520 started by Fredy Wijaya.
--------------------------------------------
> NPE in SentryProxy
> ------------------
>
> Key: IMPALA-7520
> URL: https://issues.apache.org/jira/browse/IMPALA-7520
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 3.1.0
> Reporter: Adam Holley
> Assignee: Fredy Wijaya
> Priority: Major
>
> In SentryProxy.refreshPrivilegesInCache(), the call to
> allPrincipalPrivileges.get(principal.getName()) is sometimes returning null.
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.impala.util.SentryProxy$PolicyReader.refreshPrivilegesInCatalog(SentryProxy.java:245)
> at
> org.apache.impala.util.SentryProxy$PolicyReader.refreshRolePrivileges(SentryProxy.java:197)
> at
> org.apache.impala.util.SentryProxy$PolicyReader.run(SentryProxy.java:139)
> at java.util.concurrent.Executors$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)
> {noformat}
>
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