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https://issues.apache.org/jira/browse/HADOOP-5236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-5236:
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Status: Patch Available (was: Open)
> Unreachable code in TaskInProgress.inCompleteSubTask
> ----------------------------------------------------
>
> Key: HADOOP-5236
> URL: https://issues.apache.org/jira/browse/HADOOP-5236
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Priority: Minor
> Fix For: 0.21.0
>
> Attachments: patch-5236-1.txt, patch-5236.txt
>
>
> TaskInProgress.incompleteSubTask has the following unreachable-code :
> {noformat}
> if (taskState != TaskStatus.State.FAILED &&
> taskState != TaskStatus.State.KILLED &&
> taskState != TaskStatus.State.FAILED_UNCLEAN &&
> taskState != TaskStatus.State.KILLED_UNCLEAN) {
> LOG.info("Task '" + taskid + "' running on '" + trackerName +
> "' in state: '" + taskState + "' being failed!");
> status.setRunState(TaskStatus.State.FAILED);
> taskState = TaskStatus.State.FAILED;
> }
> {noformat}
> It would never reach this code, because it is never called from other places,
> where taskState is not FAILED, KILLED, FAILED_UNCLEAN and KILLED_UNCLEAN.
> Also status != null is not required, since status is never null.
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