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https://issues.apache.org/jira/browse/CASSANDRA-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133332#comment-13133332
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David Allsopp commented on CASSANDRA-2854:
------------------------------------------

Wasn't having much success getting Eclipse happy on Windows, so tried on Linux 
but similar problems: after checking out trunk, running build.xml (runs OK) and 
then the generate-eclipse-files target (runs OK), I refresh the project and get:

{noformat}
Errors occurred during the build.
Errors running builder 'Integrated External Tool Builder' on project 
'Cassandra-trunk'.
Variable references non-existent resource : 
${workspace_loc:/cassandra-trunk/build.xml}
Variable references non-existent resource : 
${workspace_loc:/cassandra-trunk/build.xml}
{noformat}

This is easy to fix - the project name I chose in Eclipse (Cassandra-trunk) is 
capitalized but the directory (cassandra-trunk) isn't. Go to 
Project->Properties->Builders, select Cassandra-Ant-Builder, Edit, and fix the 
Build File and Base Directory to match the name in Eclipse. This is probably 
caused by me checking out the code using SVN in the console rather than using 
Subversive within Eclipse...

*However, Eclipse report 2153 errors in the project at this point.*

If someone has this working nicely, could they please update the wiki page 
(http://wiki.apache.org/cassandra/RunningCassandraInEclipse), as it's got very 
outdated and confusing. Alternatively, if most Cassandra folks are using an 
environment other than Eclipse that works better, could you describe it on the 
wiki?
                
> Java Build Path is broken in Eclipse after running generate-eclipse-files Ant 
> target
> ------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2854
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2854
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Packaging
>    Affects Versions: 0.8.1
>         Environment: Windows 7 64-bit, Eclipse Helios SR1, Subclipse
>            Reporter: David Allsopp
>            Priority: Minor
>
> Following the instructions in 
> http://wiki.apache.org/cassandra/RunningCassandraInEclipse, but checking out 
> v0.8.1:
> After running the 'generate-eclipse-files' Ant target, the build path is set 
> up to include all the libraries in build/lib/jars, but each library has ;C 
> (semicolon, letter C) appended to it, so Eclipse can't find the libraries - 
> there are about 55 errors like:
> Project 'cassandra-0.8.1' is missing required library: 
> '\Users\David\eclipse_workspace\cassandra-0.8.1\build\lib\jars\commons-cli-1.2.jar;C'

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