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Date: Mon, 9 Feb 2009 22:42:59 -0800 (PST)
From: "Nigel Daley (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-4926) compile-core-test build fails (bad
 class file error: ExternalMapReduce.class)
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    [ https://issues.apache.org/jira/browse/HADOOP-4926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672172#action_12672172 ] 

Nigel Daley commented on HADOOP-4926:
-------------------------------------

Yes, please resolve if this is fixed.

> compile-core-test build fails (bad class file error: ExternalMapReduce.class)
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-4926
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4926
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: build, test
>    Affects Versions: 0.21.0
>         Environment: Eclipse 3.2.2, Java 6, Linux Kernel 2.6.24
>            Reporter: KP
>            Priority: Minor
>
> I am trying to get my development environment up and running.  Following instructions on Hadoop Wiki + any relevant JIRA Bug Fixes.  I downloaded the latest trunk (ID 728242) via subversion client in to my eclipse environment.  Based on instructions posted, I set my ANT_HOME environment variable, ran the Ant build task for eclipse-files target succesfully.  After refreshing the project, I attempted a "build project", which generated the error below.  
> Trunk Build fails within "compile-core-test" section:
> ========================================
> CONSOLE OUTPUT:
> ========================================
> compile-core-test:
>        [javac] Compiling 7 source files to /home/hadoop/workspace/Hadoop/build/test/classes
>        [javac] Note: Some input files use unchecked or unsafe operations.
>        [javac] Note: Recompile with -Xlint:unchecked for details.
>        [javac] Compiling 124 source files to /home/hadoop/workspace/Hadoop/build/test/classes
>        [javac] /home/hadoop/workspace/Hadoop/src/test/org/apache/hadoop/mapred/TestCommandLineJobSubmission.java:76: cannot access testshell.ExternalMapReduce
>        [javac] bad class file: /home/hadoop/workspace/Hadoop/src/test/testshell/ExternalMapReduce.class
>        [javac] class file contains wrong class: src.test.testshell.ExternalMapReduce
>        [javac] Please remove or make sure it appears in the correct subdirectory of the classpath.
>        [javac]                                new testshell.ExternalMapReduce(), args);
>        [javac]                                             ^
>        [javac] Note: Some input files use or override a deprecated API.
>        [javac] Note: Recompile with -Xlint:deprecation for details.
>        [javac] 1 error
> BUILD FAILED
> /home/hadoop/workspace/Hadoop/build.xml:635: Compile failed; see the compiler error output for details.
> ========================================
> Disclaimer: I am new to the Apache software foundation in general and the Hadoop project specifically.  
> If I have submitted this ticket improperly, please annotate this ticket so I know to correct bad practice.
> ========================================

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