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Alejandro Abdelnur commented on HADOOP-9903: -------------------------------------------- >From a binary tarball, and from a build from the source tarball, {{hadoop >version}} works just fine for me: {code} $ bin/hadoop version Hadoop 2.1.0-beta Subversion https://svn.apache.org/repos/asf/hadoop/common -r 1514472 Compiled by hortonmu on 2013-08-15T20:48Z Compiled with protoc 2.5.0 >From source with checksum 8d753df8229fd48437b976c5c77e80a This command was run using /Users/tucu/Downloads/hadoop-2.1.0-beta/share/hadoop/common/hadoop-common-2.1.0-beta.jar {code} It may be you have some incorrect environment settings. Please verify and close this as invalid. > hadoop version throws ClassNotFoundException > -------------------------------------------- > > Key: HADOOP-9903 > URL: https://issues.apache.org/jira/browse/HADOOP-9903 > Project: Hadoop Common > Issue Type: Bug > Components: util > Affects Versions: 2.1.0-beta > Reporter: André Kelpe > > I downloaded the new hadoop 2.1.0 beta, tried to run hadoop version, and I > got this: > $ $HADOOP_HOME/bin/hadoop version > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/util/VersionInfo > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.util.VersionInfo > 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.util.VersionInfo. Program > will exit. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira