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https://issues.apache.org/jira/browse/HADOOP-10060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800151#comment-13800151
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Gopal V commented on HADOOP-10060:
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Maybe you misread the documentation?
You should be running "hadoop jar .../example.jar".
> Unable to run JDK_1.7.1_40 commands in Cygwin2.829 (32 bit
> ----------------------------------------------------------
>
> Key: HADOOP-10060
> URL: https://issues.apache.org/jira/browse/HADOOP-10060
> Project: Hadoop Common
> Issue Type: Task
> Components: bin
> Affects Versions: 1.2.1
> Environment: Background
>
> I have installed Cygwin to self learn Hadoop 1.2.1 with the above JDK in
> Cygwin environment on Windows XP- SP2 laptop
> Reporter: Anand Murali
> Priority: Blocker
> Labels: test
> Fix For: 1.2.1
>
>
> Actions Performed
>
> 1. As advised by Hadoop exported JAVA_HOME=/cygwin/jdk1.2.7_40/bin in
> hadoop-env.sh and tried to run java commands with error
> jar /cygwin/hadoop-1.2.1/hadoop-examples-1.2.1.jar
> -bash: jar: command not found
> 2. However when echoed I get right pointed path
> echo $JAVA_HOME
> /cygwin/jdk1.7.0_40/bin
> 3. Tried including export path in .bash_profile, and .profile, with same
> error.
>
> Unable to move forward with out JDK calls. Anticipate the same with Hadoop
> related commands.
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