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Bikas Saha commented on TEZ-1635: --------------------------------- [~hagleitn] this may be a hive issue. [~vikram.dixit] fixed a similar looking stack trace recently. the root cause was the hive processor was not starting all inputs before trying to read them. Thats what this stack is saying too. {code}"TezChild" daemon prio=5 tid=7fc9ad1a6000 nid=0x112c82000 waiting on condition [112c80000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <7f3b53b68> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at org.apache.tez.runtime.InputReadyTracker$InputReadyMonitor.awaitCondition(InputReadyTracker.java:120) at org.apache.tez.runtime.InputReadyTracker.waitForAnyInputReady(InputReadyTracker.java:83) at org.apache.tez.runtime.api.impl.TezProcessorContextImpl.waitForAnyInputReady(TezProcessorContextImpl.java:104) at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.init(MapRecordProcessor.java:161) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:163){code} > Dag gets stuck intermittently > ----------------------------- > > Key: TEZ-1635 > URL: https://issues.apache.org/jira/browse/TEZ-1635 > Project: Apache Tez > Issue Type: Bug > Affects Versions: 0.5.0 > Reporter: Vikram Dixit K > Priority: Blocker > Attachments: syslog_dag_1412109415326_0002_10.gz > > > Attaching logs for the dag. -- This message was sent by Atlassian JIRA (v6.3.4#6332)