[jira] Updated: (HADOOP-5149) HistoryViewer throws IndexOutOfBoundsException when there are files or directories not confrming to log file name convention

["Robert Chansler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-5149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler updated HADOOP-5149:
------------------------------------

    Release Note:   (was: The patch goes through all files under the _logs/history sub-directory until it finds a usable log.)

Editorial pass over all release notes prior to publication of 0.21. Routine. Bug.

> HistoryViewer throws IndexOutOfBoundsException when there are files or directories not confrming to log file name convention
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5149
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5149
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>            Reporter: Hong Tang
>            Assignee: Hong Tang
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-5149.trunk.patch
>
>
> When running history viewer in local mode (specifying file:///<path/to/hodlogs> as path to logs), it throws IndexOutOfBoundsException due to the following code:
> {code}
>       String[] jobDetails = 
>           JobInfo.decodeJobHistoryFileName(jobFiles[0].getName()).split("_");
>       trackerHostName = jobDetails[0];
>       trackerStartTime = jobDetails[1];
> {code}
> The reason is because there are some directories under the log directories that do not conform to the log file naming convention, and the length of the jobDetails array is 1.
> History viewer should be more defensive and ignore (possibly with warning) files or directories that it does not recognize.

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