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https://issues.apache.org/jira/browse/DRILL-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782382#comment-16782382
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Volodymyr Vysotskyi commented on DRILL-5793:
--------------------------------------------
[~khfaraaz], could you please check whether it is reproduced on current master?
> NPE on close
> ------------
>
> Key: DRILL-5793
> URL: https://issues.apache.org/jira/browse/DRILL-5793
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.12.0
> Environment: Drill 1.12.0 commit :
> aaff1b35b7339fb4e6ab480dd517994ff9f0a5c5
> Reporter: Khurram Faraaz
> Priority: Major
>
> The code looks wrong:
> {noformat}
> @Override
> public void close() throws Exception {
> options.close();
> }
> If the shutdown occurs to early, options is not yet assigned and an NPE
> results.
> {noformat}
> {noformat}
> 2017-09-14 20:16:39,551 [main] DEBUG o.apache.drill.exec.server.Drillbit -
> Shutdown begun.
> 2017-09-14 20:16:41,560 [pool-5-thread-1] INFO
> o.a.drill.exec.rpc.user.UserServer - closed eventLoopGroup
> io.netty.channel.nio.NioEventLoopGroup@71a84ff4 in 1006 ms
> 2017-09-14 20:16:41,560 [pool-5-thread-2] INFO
> o.a.drill.exec.rpc.data.DataServer - closed eventLoopGroup
> io.netty.channel.nio.NioEventLoopGroup@f711283 in 1005 ms
> 2017-09-14 20:16:41,561 [pool-5-thread-1] INFO
> o.a.drill.exec.service.ServiceEngine - closed userServer in 1007 ms
> 2017-09-14 20:16:41,562 [pool-5-thread-2] DEBUG
> o.a.drill.exec.memory.BaseAllocator - closed allocator[rpc:bit-data].
> 2017-09-14 20:16:41,562 [pool-5-thread-2] INFO
> o.a.drill.exec.service.ServiceEngine - closed dataPool in 1008 ms
> 2017-09-14 20:16:41,563 [main] DEBUG o.a.drill.exec.memory.BaseAllocator -
> closed allocator[rpc:user].
> 2017-09-14 20:16:41,563 [main] DEBUG o.a.drill.exec.memory.BaseAllocator -
> closed allocator[rpc:bit-control].
> 2017-09-14 20:16:41,593 [main] DEBUG o.a.drill.exec.memory.BaseAllocator -
> closed allocator[ROOT].
> 2017-09-14 20:16:41,593 [main] WARN o.apache.drill.exec.server.Drillbit -
> Failure on close()
> java.lang.NullPointerException: null
> at
> org.apache.drill.exec.server.options.SystemOptionManager.close(SystemOptionManager.java:369)
> ~[drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at
> org.apache.drill.exec.server.DrillbitContext.close(DrillbitContext.java:241)
> ~[drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at org.apache.drill.exec.work.WorkManager.close(WorkManager.java:154)
> ~[drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at
> org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:76)
> ~[drill-common-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at
> org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:64)
> ~[drill-common-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at org.apache.drill.exec.server.Drillbit.close(Drillbit.java:173)
> [drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:314)
> [drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:290)
> [drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> at org.apache.drill.exec.server.Drillbit.main(Drillbit.java:286)
> [drill-java-exec-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
> {noformat}
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