[TEZ-1542] Local Mode crashes on concurrentModificationException

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.5.0
• Fix Version/s: 0.5.2
• Target Version/s: 0.5.2
• Assignee: Chen He
• Reporter: Chen He
• Created: 04/Sep/14 21:06
• Updated: 08/Nov/14 20:25
• Resolved: 24/Oct/14 17:47

Description

java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894)
at java.util.HashMap$EntryIterator.next(HashMap.java:934)
at java.util.HashMap$EntryIterator.next(HashMap.java:932)
at
java.lang.ProcessEnvironment$StringEntrySet$1.next(ProcessEnvironment.java:332)
at
java.lang.ProcessEnvironment$StringEntrySet$1.next(ProcessEnvironment.java:328)
at
java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet$1.next(Collections.java:1403)
at
java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet$1.next(Collections.java:1396)
at java.util.HashMap.putAllForCreate(HashMap.java:533)
at java.util.HashMap.<init>(HashMap.java:320)
at
org.apache.tez.dag.utils.EnvironmentUpdateUtils.put(EnvironmentUpdateUtils.java:42)
at
org.apache.tez.dag.app.launcher.LocalContainerLauncher.<init>(LocalContainerLauncher.java:112)
at
org.apache.tez.dag.app.DAGAppMaster.createContainerLauncher(DAGAppMaster.java:819)
at
org.apache.tez.dag.app.DAGAppMaster.serviceInit(DAGAppMaster.java:379)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at org.apache.tez.dag.app.DAGAppMaster$5.run(DAGAppMaster.java:1904)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1637)
at
org.apache.tez.dag.app.DAGAppMaster.initAndStartAppMaster(DAGAppMaster.java:1901)
at org.apache.tez.client.LocalClient$1.run(LocalClient.java:294)
at java.lang.Thread.run(Thread.java:722)

Issue Links

• relates to: TEZ-1376 Investigate independent parallel DAGs execution in Local Mode