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https://issues.apache.org/jira/browse/HIVE-16114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896677#comment-15896677
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Zhihua Deng commented on HIVE-16114:
------------------------------------
the corresponding HiveServer2 stack:
2017-03-02T10:50:31,986 ERROR [HiveServer2-Background-Pool: Thread-982]
exec.Task: Failed to execute tez graph.
java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.canWorkWithSameSession(TezSessionPoolManager.java:430)
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.getSession(TezSessionPoolManager.java:451)
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.getSession(TezSessionPoolManager.java:396)
at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:134)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:197)
at
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:100)
at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:2073)
at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1744)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1453)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1171)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1166)
at
org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:242)
at
org.apache.hive.service.cli.operation.SQLOperation.access$800(SQLOperation.java:91)
at
org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:334)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1660)
at
org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:347)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
> NullPointerException in TezSessionPoolManager when getting the session
> ----------------------------------------------------------------------
>
> Key: HIVE-16114
> URL: https://issues.apache.org/jira/browse/HIVE-16114
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Zhihua Deng
> Priority: Minor
>
> hive version: apache-hive-2.1.1
> we use hue(3.11.0) connecting to the HiveServer2. when hue starts up, it
> works with no problems, a few hours passed, when we use the same sql, an
> exception about unable to initialize TezTask will come into being.
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