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https://issues.apache.org/jira/browse/HDFS-2370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115241#comment-13115241
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Uma Maheswara Rao G commented on HDFS-2370:
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Hi Rajit,
Distcp command will run as Mapreduce job.
I remember in 22 branch this class was present in mapreduce project.
Did you check from Mapreduce project to run this command?
Thanks
Uma
> Distcp not working due to NoClassDefFoundError: org/apache/hadoop/tools/DistCp
> ------------------------------------------------------------------------------
>
> Key: HDFS-2370
> URL: https://issues.apache.org/jira/browse/HDFS-2370
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: tools
> Affects Versions: 0.23.0
> Reporter: Rajit
>
> $HADOOP_COMMON_HOME/bin/hadoop --config $HADOOP_CONF_DIR distcp
> hdfs://<NN1>:8020/tmp/input
> hdfs://<NN1>:8020/tmp/output
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/hadoop/tools/DistCp
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.tools.DistCp
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> Could not find the main class: org.apache.hadoop.tools.DistCp. Program will
> exit.
> it used to work before, do we need to export any environment variable? does
> distcp changed its place?
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