[
https://issues.apache.org/jira/browse/LENS-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333910#comment-16333910
]
Hadoop QA commented on LENS-1497:
---------------------------------
Applied patch:
[LENS-1497.patch|https://issues.apache.org/jira/secure/attachment/12906809/LENS-1497.patch]
and ran command: mvn clean install -fae. Result: Failure. Build Job:
https://builds.apache.org/job/PreCommit-Lens-Build/1501/
> NPE while closing idle connections
> -----------------------------------
>
> Key: LENS-1497
> URL: https://issues.apache.org/jira/browse/LENS-1497
> Project: Apache Lens
> Issue Type: Bug
> Components: server
> Reporter: Rajitha R
> Assignee: Rajitha R
> Priority: Major
> Attachments: LENS-1497.patch
>
>
> {code}
> 21 Dec 2017 15:25:59 [e88aa05a-c454-44c1-8e52-e7bd741a5df6]
> [pool-16-thread-1] WARN org.apache.lens.server.session.HiveSessionService -
> Unknown error while checking for inactive sessions -
> java.lang.NullPointerException: null
> at
> org.apache.lens.server.BaseLensService.decrementSessionCountForUser(BaseLensService.java:343)
> ~[classes/:na]
> at
> org.apache.lens.server.BaseLensService.closeSession(BaseLensService.java:321)
> ~[classes/:na]
> at
> org.apache.lens.server.session.HiveSessionService.closeInternal(HiveSessionService.java:497)
> ~[classes/:na]
> at
> org.apache.lens.server.session.HiveSessionService.access$300(HiveSessionService.java:59)
> ~[classes/:na]
> at
> org.apache.lens.server.session.HiveSessionService$SessionExpiryRunnable.runInternal(HiveSessionService.java:547)
> ~[classes/:na]
> at
> org.apache.lens.server.session.HiveSessionService$SessionExpiryRunnable.run(HiveSessionService.java:569)
> ~[classes/:na]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_131]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [na:1.8.0_131]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
> [na:1.8.0_131]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sche
> {code}
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