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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3251) WARN message on command line when a hadoop jar command is executed
Date Thu, 17 Apr 2008 00:47:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589792#action_12589792
] 

Arun C Murthy commented on HADOOP-3251:
---------------------------------------

This particular problem seems to stem from the fact that JobTracker.getFileSystemName returns
the value of FileSystem.getName which is defined by the DistributedFileSystem as:

{code:title=DistributedFileSystem.java|borderStyle=solid}
  /** @deprecated */
  public String getName() { return uri.getAuthority(); }
{code}

The simple fix for now is to reimplement JobTracker.getFileSystemName as:
{code:title=JobTracker.java|borderStyle=solid}
  /**
   * Grab the local fs name
   */
  public synchronized String getFilesystemName() throws IOException {
    if (fs == null) {
      throw new IllegalStateException("FileSystem object not available yet");
    }
    return fs.getUri().toString();
  }
{code}


> WARN message on command line when a hadoop jar command is executed
> ------------------------------------------------------------------
>
>                 Key: HADOOP-3251
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3251
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0
>            Reporter: Mukund Madhugiri
>            Assignee: Arun C Murthy
>            Priority: Blocker
>             Fix For: 0.17.0
>
>
> When a job is run, a WARN message is given on the command line. This does not affect
the cluster functionality, but is bad user experience. Hence, marking this a blocker for 0.17.0
> The message is:
> 08/04/14 20:53:46 WARN fs.FileSystem: "namenode:59440" is a deprecated filesystem name.
Use "hdfs://namenode:59440/" instead.

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