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From "Mistry, Jigar" <jimis...@amazon.com>
Subject Hive LLAP daemon failing with Tez
Date Thu, 16 Feb 2017 20:04:37 GMT
Hello,

I am testing out Hive’s LLAP functionality. My test environment is as follows:

-          Hadoop 2.7.3

-          Hive 2.1.1

-          Tez 0.8.4

-          Zookeeper 3.4.8

-          Slider 0.91

I am able to get the LLAP daemon running successfully and can see it in the RM UI. But when
I start the Hive CLI and run a SELECT COUNT(*) query, the Tez DAG fails. Following is the
stack trace I found inside the container logs:

[ERROR] [main] |app.DAGAppMaster|: Error starting DAGAppMaster
java.lang.NumberFormatException: null
                at java.lang.Integer.parseInt(Integer.java:542)
                at java.lang.Integer.parseInt(Integer.java:615)
                at org.apache.hadoop.hive.llap.registry.impl.LlapZookeeperRegistryImpl$DynamicServiceInstance.getResource(LlapZookeeperRegistryImpl.java:474)
                at org.apache.hadoop.hive.llap.tezplugins.LlapTaskSchedulerService$NodeInfo.<init>(LlapTaskSchedulerService.java:1492)
                at org.apache.hadoop.hive.llap.tezplugins.LlapTaskSchedulerService.start(LlapTaskSchedulerService.java:319)
                at org.apache.tez.dag.app.ServicePluginLifecycleAbstractService.serviceStart(ServicePluginLifecycleAbstractService.java:41)
                at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
                at org.apache.tez.dag.app.rm.TaskSchedulerManager.serviceStart(TaskSchedulerManager.java:612)
                at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
                at org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:1827)
                at org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:1848)

Can someone help me figuring out what is going wrong here?

Thanks,
Jigar Mistry
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