[jira] [Updated] (MAPREDUCE-7299) data type of parameter 'mapreduce.task.exit.timeout' is inconsistent

["leafeonia (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-7299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

leafeonia updated MAPREDUCE-7299:
---------------------------------
    Attachment:     (was: 1.patch)

> data type of parameter 'mapreduce.task.exit.timeout' is inconsistent
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7299
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7299
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: leafeonia
>            Priority: Minor
>
> *Problem:*
> The data type of parameter `mapreduce.task.exit.timeout` is inconsistent in the code relevant to the parameter.
> In `TaskAttemptFinishingMonitor.java`, getInt() is used to load the parameter value:
> {code:java}
> int expireIntvl = conf.getInt(MRJobConfig.TASK_EXIT_TIMEOUT,
>   MRJobConfig.TASK_EXIT_TIMEOUT_DEFAULT);{code}
> However, in `TaskHeartbeatHandler.java`, the code uses getLong() instead and stores the value in a long-type variable.
> {code:java}
> private long unregisterTimeOut;
> ...
> unregisterTimeOut = conf.getLong(MRJobConfig.TASK_EXIT_TIMEOUT,
>   MRJobConfig.TASK_EXIT_TIMEOUT_DEFAULT);{code}
>  
> *Solution:*
> Convert the type explicitly to avoid inconsistency and potential problems:
> {code:java}
> unregisterTimeOut = (long)conf.getInt(MRJobConfig.TASK_EXIT_TIMEOUT, 
>   MRJobConfig.TASK_EXIT_TIMEOUT_DEFAULT);{code}



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