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From "Tsz Wo (Nicholas), SZE (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=12589791#action_12589791
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-3251:
------------------------------------------------

Here is a stack trace showing how the warning message was generated.
{noformat}
$ ./bin/hadoop jar build/hadoop-0.18.0-dev-examples.jar wordcount input o/1
08/04/16 16:43:39 WARN fs.FileSystem: "hostname:9000" is a deprecated filesystem name. Use
"hdfs://hostname:9000/" instead.
java.lang.Exception
        at org.apache.hadoop.fs.FileSystem.fixName(FileSystem.java:165)
        at org.apache.hadoop.fs.FileSystem.getNamed(FileSystem.java:152)
        at org.apache.hadoop.mapred.JobClient.getFs(JobClient.java:437)
        at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:543)
        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:700)
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:973)
        at org.apache.hadoop.examples.WordCount.run(WordCount.java:149)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.examples.WordCount.main(WordCount.java:155)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:53)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:155)
        at org.apache.hadoop.mapred.JobShell.run(JobShell.java:194)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.mapred.JobShell.main(JobShell.java:220)
{noformat}

> 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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