[TEZ-169] Tez should not allow a 0-vertex dag or dags with vertices that have 0 tasks.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Labels: TEZ-0.2.0 TEZ-1
• Assignee: Hitesh Shah
• Reporter: Hitesh Shah
• Created: 30/May/13 17:59
• Updated: 01/Dec/13 20:20
• Resolved: 21/Jun/13 17:52

Description

2013-05-30 10:53:53,496 FATAL [IPC Server handler 2 on 51640] org.apache.tez.dag.app.TaskAttemptListenerImpTezDag: Task: attempt_1369890958355_3_1_000001_000000_0 - exited : java.lang.ArithmeticException: / by zero
at org.apache.tez.engine.common.shuffle.impl.Shuffle.run(Shuffle.java:122)
at org.apache.tez.engine.lib.input.ShuffledMergedInput.initialize(ShuffledMergedInput.java:67)
at org.apache.tez.mapreduce.processor.reduce.ReduceProcessor.process(ReduceProcessor.java:120)
at org.apache.tez.engine.task.RuntimeTask.run(RuntimeTask.java:75)
at org.apache.tez.mapreduce.task.MRRuntimeTask.run(MRRuntimeTask.java:117)
at org.apache.hadoop.mapred.YarnTezDagChild.runTezTask(YarnTezDagChild.java:292)
at org.apache.hadoop.mapred.YarnTezDagChild.access$000(YarnTezDagChild.java:69)
at org.apache.hadoop.mapred.YarnTezDagChild$2.run(YarnTezDagChild.java:170)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1489)
at org.apache.hadoop.mapred.YarnTezDagChild.main(YarnTezDagChild.java:167)

Issue Links

• is duplicated by: TEZ-248 0 number of tasks causes Arithmetic exception