[jira] [Created] (MAPREDUCE-4066) To get "yarn.app.mapreduce.am.staging-dir" value, should set the default value

["xieguiming (Created) (JIRA)" <ji...@apache.org>]

To get "yarn.app.mapreduce.am.staging-dir" value, should set the default value
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                 Key: MAPREDUCE-4066
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4066
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: job submission, mrv2
    Affects Versions: 0.23.1
         Environment: client is windows eclipse, server is suse
            Reporter: xieguiming
            Priority: Minor


when submit the job use the windows eclipse, and the yarn.app.mapreduce.am.staging-dir value is null.
{code:title=MRApps.java|borderStyle=solid}

  public static Path getStagingAreaDir(Configuration conf, String user) {
    return new Path(
        conf.get(MRJobConfig.MR_AM_STAGING_DIR) + 
        Path.SEPARATOR + user + Path.SEPARATOR + STAGING_CONSTANT);
  }
{code}

should modify to:
{code:title=MRApps.java|borderStyle=solid}

  public static Path getStagingAreaDir(Configuration conf, String user) {
    return new Path(
        conf.get(MRJobConfig.MR_AM_STAGING_DIR,"/tmp/hadoop-yarn/staging") + 
        Path.SEPARATOR + user + Path.SEPARATOR + STAGING_CONSTANT);
  }


{code}


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