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From "Dave Beech (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MRUNIT-159) MRUnit not compiling with hadoop 0.23.3
Date Sun, 11 Nov 2012 12:49:12 GMT

    [ https://issues.apache.org/jira/browse/MRUNIT-159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494870#comment-13494870
] 

Dave Beech commented on MRUNIT-159:
-----------------------------------

Hi Jakub - thanks for reporting this. I've replaced the use of the missing addLocalFiles and
addLocalArchives methods with our own helper methods which set the cache config parameters
directly. Can you test this and let me know if it solves your issue?
                
> MRUnit not compiling with hadoop 0.23.3
> ---------------------------------------
>
>                 Key: MRUNIT-159
>                 URL: https://issues.apache.org/jira/browse/MRUNIT-159
>             Project: MRUnit
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Jakub
>            Assignee: Dave Beech
>            Priority: Critical
>
> I tried to write test using mrunit 1.0.0 ( i need to init cache, which is unavaliable
in already relased versions)
> when I run my code I get:
> java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.TaskInputOutputContext,
but class was expected
> 	at org.apache.hadoop.mrunit.internal.mapreduce.AbstractMockContextWrapper.createCommon(AbstractMockContextWrapper.java:53)
> I read other issues like https://issues.apache.org/jira/browse/MRUNIT-56 and decided
to recompile mrunit.
> I've downloaded source, and then:
> mvn install -DskipTests
> Build succes
> mvn install -DskipTests -Dhadoop.version=2
> Build success
> tried both output version with my code:
> mrunit-1.0.0-SNAPSHOT-hadoop1.jar
> mrunit-1.0.0-SNAPSHOT-hadoop2.jar 
> but was still getting exception
> I've changed pom.xml specificHadoopVersion to:
> <specificHadoopVersion>0.23.3</specificHadoopVersion>
> and then:
> mvn clean
> mvn install -DskipTests -Dhadoop.version=2
> and there are compilation errors:
> [ERROR] COMPILATION ERROR : 
> [INFO] -------------------------------------------------------------
> [ERROR] /home/kuba/studia/magisterka/mrunit/src/main/java/org/apache/hadoop/mrunit/TestDriver.java:[464,24]
error: cannot find symbol
> [ERROR]  class DistributedCache
> /home/kuba/studia/magisterka/mrunit/src/main/java/org/apache/hadoop/mrunit/TestDriver.java:[478,24]
error: cannot find symbol
> [INFO] 2 errors 
> that's because initDistributedCache method uses DistributedCache.addLocalFiles(), which
is unavaliable in Hadoop 0.23.3
> I tried to fix it, but I'm new to hadoop ant havent succeed yet, any help, please?

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