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https://issues.apache.org/jira/browse/HADOOP-7999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196259#comment-13196259
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Mahadev konar commented on HADOOP-7999:
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Thanks John. Ill go ahead and commit this now!
> "hadoop archive" fails with ClassNotFoundException
> --------------------------------------------------
>
> Key: HADOOP-7999
> URL: https://issues.apache.org/jira/browse/HADOOP-7999
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Affects Versions: 0.23.1
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Fix For: 0.23.1
>
> Attachments: HADOOP-7999.patch
>
>
> Running "hadoop archive" from a command prompt results in this error:
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/hadoop/tools/HadoopArchives
> Caused by: java.lang.ClassNotFoundException:
> org.apache.hadoop.tools.HadoopArchives
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> Could not find the main class: org.apache.hadoop.tools.HadoopArchives.
> Program will exit.
> The hadoop front-end script expects the TOOL_PATH environment variable to be
> set, but nothing provides a default value for it if it is not set. Since
> $TOOL_PATH expands to nothing, the hadoop-archives jar under
> share/hadoop/tools/lib isn't found, and we end up with a ClassNotFound
> exception.
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