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From "Tsuyoshi Ozawa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9489) Eclipse instructions in BUILDING.txt don't work
Date Sun, 01 Mar 2015 18:54:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14342387#comment-14342387
] 

Tsuyoshi Ozawa commented on HADOOP-9489:
----------------------------------------

I got some errors:
{quote}
An internal error occurred during: "Importing Maven projects".
Missing parameter for pluginExecutionFilter. groupId, artifactId, versionRange and goals must
be specificed, but found: groupId = 'org.apache.hadoop'
artifactId = 'hadoop-maven-plugins'
versionRange = 'null'
goals = '[protoc]'
{quote}

Additionally, I also got errors about objects generated by probobuf.

> Eclipse instructions in BUILDING.txt don't work
> -----------------------------------------------
>
>                 Key: HADOOP-9489
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9489
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 2.7.0
>            Reporter: Carl Steinbach
>            Assignee: Chris Nauroth
>            Priority: Minor
>         Attachments: HADOOP-9489.1.patch, HADOOP-9489.2.patch, eclipse_hadoop_errors.txt
>
>
> I have tried several times to import Hadoop trunk into Eclipse following the instructions
in the BUILDING.txt file, but so far have not been able to get it to work.
> If I use a fresh install of Eclipse 4.2.2, Eclipse will complain about an undefined M2_REPO
environment variable. I discovered that this is defined automatically by the M2Eclipse plugin,
and think that the BUILDING.txt doc should be updated to explain this.
> After installing M2Eclipse I tried importing the code again, and now get over 2500 errors
related to missing class dependencies. Many of these errors correspond to missing classes
in the oah*.proto namespace, which makes me think that 'mvn eclipse:eclipse' is not triggering
protoc. 



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