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From "Karl Heinz Marbaise (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MCOMPILER-271) APT generated classes not visible during test compilation
Date Wed, 13 Jul 2016 19:19:20 GMT

    [ https://issues.apache.org/jira/browse/MCOMPILER-271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375566#comment-15375566
] 

Karl Heinz Marbaise commented on MCOMPILER-271:
-----------------------------------------------

The cause of this problem is related to incremental compiling. If you set 
{code:xml}
<useIncrementalCompilation>false</useIncrementalCompilation>
{code}
it will work also with 3.5.1 but nevertheless it is a bug...checked also with current trunk
which does not work either at the moment...

> APT generated classes not visible during test compilation
> ---------------------------------------------------------
>
>                 Key: MCOMPILER-271
>                 URL: https://issues.apache.org/jira/browse/MCOMPILER-271
>             Project: Maven Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 3.5.1
>            Reporter: Oliver Gierke
>         Attachments: compiler-plugin-bug.zip
>
>
> After upgrading the Maven Compiler Plugin to 3.5.1, I see compilation errors with builds
that work on 3.5. The symptom is that classes generated by an APT plugin are not visible on
the test class path when {{target/generated-sources/annotations}} is used as output folder.
> I'll attach a sample project that shows the failure if you run {{mvn clean test-compile}}.
> Two things make the project work:
> 1. Downgrade to 3.5 (which makes me think any of the fixes made for MCOMPILER-240 has
to do with this).
> 2. Change {{annotations}} segment  of the output path to something other than {{annotations}}.
> Especially the latter puzzles me as it seems like this path is explicitly not added to
the test compile classpath.



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