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From "Michel Tourn (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-464) Troubleshooting message for RunJar (bin/hadoop jar)
Date Sat, 19 Aug 2006 00:39:17 GMT
Troubleshooting message for RunJar (bin/hadoop jar)

                 Key: HADOOP-464
                 URL: http://issues.apache.org/jira/browse/HADOOP-464
             Project: Hadoop
          Issue Type: Improvement
          Components: util
            Reporter: Michel Tourn
         Attachments: runjar.patch

Many users get this exception when using bin/hadoop
There are various reasons:
HADOOP_CONF_DIR or HADOOP_HOME misconfigured. 
"hadoop jar" parameter incorrect

So the patch displays the path of the jar it is trying to open if this fails: 

Problem while opening hadoop job jar: /home/build/hadoop-streaming.jar
Exception in thread "main" java.util.zip.ZipException: error in opening zip file
        at java.util.zip.ZipFile.open(Native Method)
        at java.util.zip.ZipFile.<init>(ZipFile.java:203)
        at java.util.jar.JarFile.<init>(JarFile.java:132)
        at java.util.jar.JarFile.<init>(JarFile.java:70)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:80)

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