[jira] [Commented] (CASSANDRA-12466) Use different build directories for Eclipse and Ant

["Dave Brosius (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-12466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15462223#comment-15462223 ] 

Dave Brosius commented on CASSANDRA-12466:
------------------------------------------

you can disable the "Scrub output directories" option in eclipse

> Use different build directories for Eclipse and Ant
> ---------------------------------------------------
>
>                 Key: CASSANDRA-12466
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12466
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Stefan Podkowinski
>            Assignee: Stefan Podkowinski
>            Priority: Trivial
>             Fix For: 3.x
>
>         Attachments: 12466-trunk.patch
>
>
> Currently {{ant generate-eclipse-files}} will create an Eclipse project that will write compile classes into the {{build/classes/main/}} output directory, just as ant does. This causes some issues in practice:
> * Eclipse doesn't recognize changes to compiled classes when compiling with ant. You'll have to manually refresh the project and Eclipse acts weird if you forget to do so.
> * Cleaning the project from Eclipse will remove the {{hotspot_compile}} file and {{ant jar}} won't work any longer as this file is required with ant. Eclipse will be happy to delete it during clean but won't be able to generate it.
> * Tests run by ant may pick up classes compiled by Eclipse that may use different build settings and produce different results for testing
> My suggestion is to simply configure Eclipse to use {{build/classes/eclipse}} instead and leave the ant classes alone. See trivial patch.



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