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Date: Wed, 26 Sep 2012 18:06:07 +1100 (NCT)
From: "Chris Nauroth (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-8848) hadoop-mapreduce-client-core fails
 compilation in Eclipse due to missing Avro-generated classes
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    [ https://issues.apache.org/jira/browse/HADOOP-8848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463581#comment-13463581 ] 

Chris Nauroth commented on HADOOP-8848:
---------------------------------------

The attached patch fixes the problem in the module's pom.xml by adding the Avro-generated source folder using build-helper-maven-plugin.  Other modules have used a similar strategy.  (See hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/pom.xml.)  With this patch in place, it's possible to do a fresh import of all of hadoop-common trunk into Eclipse and see it compile successfully immediately.

Note that this problem did not harm the typical Maven build.  It was just a problem for fresh project imports into Eclipse.

                
> hadoop-mapreduce-client-core fails compilation in Eclipse due to missing Avro-generated classes
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8848
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8848
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HADOOP-8848.patch
>
>
> After importing all of hadoop-common trunk into Eclipse with the m2e plugin, the Avro-generated classes in hadoop-mapreduce-client-core don't show up on Eclipse's classpath.  This causes compilation errors for anything that depends on those classes.

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