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https://issues.apache.org/jira/browse/HADOOP-8950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-8950.
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Resolution: Invalid
You're giving an absolute path /bin/hadoop-0.20.2-examples.jar when you should
be giving a relative one.
Please, please please look at the stack traces before filing JIRAs, as if
something works for everyone else but you, it's usually something happening at
your end.
> Unable to run demo example hadoop program
> -----------------------------------------
>
> Key: HADOOP-8950
> URL: https://issues.apache.org/jira/browse/HADOOP-8950
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Farhat Khan
>
> hduser@ubuntu:~/hadoop$ hadoop jar /bin/hadoop-0.20.2-examples.jar
> Exception in thread "main" java.io.IOException: Error opening job jar:
> /bin/hadoop-0.20.2-examples.jar
> at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
> Caused by: 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:127)
> at java.util.jar.JarFile.<init>(JarFile.java:135)
> at java.util.jar.JarFile.<init>(JarFile.java:72)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:88)
> hduser@ubuntu:~/hadoop$
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