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Posted to mapreduce-issues@hadoop.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/02/11 22:13:22 UTC

[jira] [Created] (MAPREDUCE-5752) Potential invalid iterator in NMClientImpl#cleanupRunningContainers()

Ted Yu created MAPREDUCE-5752:
---------------------------------

             Summary: Potential invalid iterator in NMClientImpl#cleanupRunningContainers()
                 Key: MAPREDUCE-5752
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5752
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


In cleanupRunningContainers() :
{code}
    for (StartedContainer startedContainer : startedContainers.values()) {
      try {
        stopContainer(startedContainer.getContainerId(),
            startedContainer.getNodeId());
{code}
Removal of container is done in removeStartedContainer():
{code}
    startedContainers.remove(container.containerId);
{code}
This may result in invalid iterator for the loop on startedContainers.values()



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