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The following page has been changed by AlexLoddengaard: http://wiki.apache.org/hadoop/HowToSetupYourDevelopmentEnvironment ------------------------------------------------------------------------------ * attempt to run ''ant test'' * If you get any strange errors (other than JUnit test failures and errors), then consult the ''Build Errors'' section below. * run ''ant'' to compile (this may not be necessary if you've already run ''ant test'' - * follow GettingStartedWithHadoop to + * follow GettingStartedWithHadoop to learn how to run Hadoop + * Use the hadoop-core-trunk folder just as you would a downloaded version of Hadoop (symlink hadoop-core-trunk to hadoop) + * If you run in to any problems, refer to the ''Runtime Errors'' below, along with the troubleshooting document here: TroubleShooting = Build Errors = @@ -31, +33 @@ My default install of ant was missing ant-junit.jar in ANT_HOME/lib (for me, /usr/share/ant/lib), so I downloaded ant manually to get the jar. Make sure you download the same version of ant that as the version that is preinstalled! To check the version of ant that you have, run ''ant -version''. + = Runtime Errors = + + == ERROR dfs.NameNode: java.io.IOException: javax.security.auth.login.LoginException: Login failed: id: cannot find name for group ID == + + Solution pending. +
