[TEZ-3294] DAG.createDag() does not clear local state on repeat calls

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.2, 0.9.0, 0.8.4
• Assignee: Harish JP
• Reporter: Harish JP
• Created: 08/Jun/16 23:10
• Updated: 09/Jul/16 19:16
• Resolved: 14/Jun/16 22:04

Description

Retry of submitDAG calls, on the same DAG object, when there are errors can cause IllegalArgumentException.

2016-04-24 00:33:40,885 ERROR [HiveServer2-Background-Pool: Thread-74]: exec.Task (TezTask.java:execute(212)) - Failed to execute tez graph.
java.lang.IllegalArgumentException: size of topologicalVertexStack is:3 while size of vertices is:2, make sure they are the same in order to sort the vertices
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
	at org.apache.tez.dag.api.DAG.createDag(DAG.java:761)
	at org.apache.tez.client.TezClientUtils.prepareAndCreateDAGPlan(TezClientUtils.java:694)
	at org.apache.tez.client.TezClient.submitDAGSession(TezClient.java:508)
	at org.apache.tez.client.TezClient.submitDAG(TezClient.java:454)
	at org.apache.hadoop.hive.ql.exec.tez.TezTask.submit(TezTask.java:457)
	at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:180)