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https://issues.apache.org/jira/browse/HIVE-18170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273328#comment-16273328
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Sergey Shelukhin commented on HIVE-18170:
-----------------------------------------
+1
> User mapping not initialized correctly on start
> -----------------------------------------------
>
> Key: HIVE-18170
> URL: https://issues.apache.org/jira/browse/HIVE-18170
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 3.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Attachments: HIVE-18170.1.patch, HIVE-18170.2.patch,
> HIVE-18170.3.patch
>
>
> User mapping throws NPE as it is not initialized during HS2 start.
> Initial RP is notified in WM c'tor but wm thread has not started yet
> resulting in NPE accessing user-pool mapping.
> {code}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.exec.tez.WorkloadManager.isManaged(WorkloadManager.java:1866)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.exec.tez.WorkloadManagerFederation.getSession(WorkloadManagerFederation.java:43)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:169)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:205)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:97)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:2230)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1882)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1613)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1358)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1351)
> ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:252)
> ~[hive-service-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> org.apache.hive.service.cli.operation.SQLOperation.access$700(SQLOperation.java:91)
> ~[hive-service-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:344)
> ~[hive-service-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[?:1.8.0_121]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_121]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1807)
> ~[hadoop-common-2.8.1.jar:?]
> at
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:357)
> ~[hive-service-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[?:1.8.0_121]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[?:1.8.0_121]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [?:1.8.0_121]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [?:1.8.0_121]
> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
> {code}
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