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https://issues.apache.org/jira/browse/HIVE-21865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on HIVE-21865 started by Oleksiy Sayankin.
-----------------------------------------------
> Add verification for Tez engine before starting Tez sessions
> ------------------------------------------------------------
>
> Key: HIVE-21865
> URL: https://issues.apache.org/jira/browse/HIVE-21865
> Project: Hive
> Issue Type: Bug
> Reporter: Oleksiy Sayankin
> Assignee: Oleksiy Sayankin
> Priority: Major
>
> Here is the log of starting HS2 when engine is MR:
> {code}
> 2019-06-12T06:08:05,115 WARN [main] server.HiveServer2: Error starting
> HiveServer2 on attempt 1, will retry in 60000ms
> java.lang.NoClassDefFoundError: org/apache/tez/dag/api/TezConfiguration
> at
> org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolSession$AbstractTriggerValidator.startTriggerValidator(TezSessionPoolSession.java:74)
>
> at
> org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.initTriggers(TezSessionPoolManager.java:207)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.startPool(TezSessionPoolManager.java:114)
>
> at
> org.apache.hive.service.server.HiveServer2.initAndStartTezSessionPoolManager(HiveServer2.java:860)
>
> at
> org.apache.hive.service.server.HiveServer2.startOrReconnectTezSessions(HiveServer2.java:843)
> at
> org.apache.hive.service.server.HiveServer2.start(HiveServer2.java:766)
> at
> org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:1058)
>
> at
> org.apache.hive.service.server.HiveServer2.access$1600(HiveServer2.java:144)
> at
> org.apache.hive.service.server.HiveServer2$StartOptionExecutor.execute(HiveServer2.java:1326)
>
> at
> org.apache.hive.service.server.HiveServer2.main(HiveServer2.java:1170)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:323)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:236)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.tez.dag.api.TezConfiguration
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> ... 16 more
> {code}
> HS2 starts correctly but the exception above annoys customer.
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