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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "HowToSetupYourDevelopmentEnvironment" by AlexLoddengaard
Date Tue, 26 Aug 2008 09:06:12 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

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.
+ 

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