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From "KP (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4926) compile-core-test build fails (bad class file error: ExternalMapReduce.class)
Date Mon, 22 Dec 2008 05:20:44 GMT
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:

       [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

/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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