[jira] [Updated] (MAPREDUCE-1109) ConcurrentModificationException in jobtracker.jsp

["Harsh J (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J updated MAPREDUCE-1109:
-------------------------------

    Attachment: HADOOP-6801.r5.diff

The javac warnings further, were cause of a bad link to SequenceFile.Sorter (inner class)

{code}[WARNING] /Users/harshchouraria/Work/code/apache/hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java:142: warning - Tag @link: reference not found: SequenceFile.Sorter{code}

In this new patch I've fixed the javac warns and javadoc warns both.
                
> ConcurrentModificationException in jobtracker.jsp
> -------------------------------------------------
>
>                 Key: MAPREDUCE-1109
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1109
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.1
>            Reporter: dhruba borthakur
>            Assignee: Harsh J
>         Attachments: MAPREDUCE-1109.patch, MAPREDUCE-1109.patch
>
>
> The jobtracker.jsp invoked methods tracker.runningJobs(), tracker.completedJobs() and tracker.failedJobs() but these methods are not synchronized and can cause ConcurrentModificationException if the JT is concurrently changing the contents of these datastructures.

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