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https://issues.apache.org/jira/browse/HADOOP-10217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13872607#comment-13872607
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Arpit Agarwal commented on HADOOP-10217:
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Anand - Cygwin has never been supported. I encourage you to try out the native
support for Windows in Hadoop 2.2 and send any further questions to the hadoop
user mailing list.
> Unable to run 'hadoop' commands, after installing on Cygwin
> -----------------------------------------------------------
>
> Key: HADOOP-10217
> URL: https://issues.apache.org/jira/browse/HADOOP-10217
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 2.2.0
> Environment: Installed on Cygwin (latest version) running Window XP.
> Set Java 1.7.0_45 path (JDK) to /cygdrive/e/JDK. Installed ssh (on
> /cygdrive/e/Openssh-6.4p1), created all keys and stored on
> /home/admin.Installed hadoop-2.2.0 on /cygdrive/e/hadoop-2.2.0
> Reporter: Anand Murali
> Labels: test
>
> Did following
> 1. export JAVA_HOME=/cygdrive/e/JDK
> 2. export HADOOP_INSTALL=/cygdrive/e/hadoop-2.2.0
> 3. export
> PATH=:$PATH:$HADOOP_INSTALL/bin:$HADOOP_INSTALL/sbin:$HADOOP_INSTALL/etc:$HADOOP_INSTALL/share:$HADOOP_INSTALL/lib:$HADOOP_INSTALL/libexec
> $hadoop version
> Error: Could not find or load main class org.apache.hadoop.util.VersionInfo.
> Cannot run anymore commands. I am unable to detect what path problems is
> causing this error
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