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https://issues.apache.org/jira/browse/LIVY-987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marco Gaido updated LIVY-987:
-----------------------------
Fix Version/s: 0.9.0
> NPE when waiting for thrift session to start timeout.
> -----------------------------------------------------
>
> Key: LIVY-987
> URL: https://issues.apache.org/jira/browse/LIVY-987
> Project: Livy
> Issue Type: Bug
> Reporter: Jianzhen Wu
> Assignee: Jianzhen Wu
> Priority: Major
> Fix For: 0.9.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
>
> Livy spends 10 min waiting for the session to start. If it takes more than 10
> minutes to start, it will throw a Timeout exception. There is no cause for
> the timeout exception. When Livy throws e.getCause, NPE occurs.
> *Livy Code*
> {code:java}
> Try(Await.result(future, maxSessionWait)) match {
> case Success(session) => session
> case Failure(e) => throw e.getCause
> } {code}
> *Error Log*
> {code:java}
> 23/08/25 16:01:41 INFO LivyExecuteStatementOperation: (Error executing
> query, currentState RUNNING, ,java.lang.NullPointerException)
> 23/08/25 16:01:41 ERROR LivyExecuteStatementOperation: Error running hive
> query:
> org.apache.hive.service.cli.HiveSQLException: java.lang.NullPointerException
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation.execute(LivyExecuteStatementOperation.scala:186)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation$$anon$2$$anon$3.run(LivyExecuteStatementOperation.scala:105)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation$$anon$2$$anon$3.run(LivyExecuteStatementOperation.scala:102)
> 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:2038)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation$$anon$2.run(LivyExecuteStatementOperation.scala:115)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.NullPointerException
> at
> org.apache.livy.thriftserver.LivyThriftSessionManager.getLivySession(LivyThriftSessionManager.scala:99)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation.rpcClient$lzycompute(LivyExecuteStatementOperation.scala:65)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation.rpcClient(LivyExecuteStatementOperation.scala:58)
> at
> org.apache.livy.thriftserver.LivyExecuteStatementOperation.execute(LivyExecuteStatementOperation.scala:173)
> {code}
>
>
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