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Re: [m2e-dev] m2e 0.12.2 not adding generated-sources 
In short, yes, m2e 1.0 is expected to either work or fail fast and with
a clear error message. This was one of the major changes in 1.0 compared
to 0.12. The old version could be rather flaky and inconsistent for some
projects.

--
Regards,
Igor

On 11-08-10 9:05 PM, Derek Lewis wrote:

Thanks for the response Igor.  I'm a bit confused though.

When you say m2e-core doesn't support code generation maven plugins, I
understand that it doesn't actually execute the code generation without
additional Eclipse plugins.  Doesn't it at least add
target/generates-sources/foo to the source paths in Eclipse though?  The
bit that is puzzling me, with 0.12.2, is that when I import the
projects, the generated-sources aren't added to the source paths, but
when I tell maven to "Update Project Configurations", it does add
generated-sources.  This is all after having done a "mvn install" on the
command line before importing.

So, in short:  Why does "Update Project Configurations" add the
generated-sources to the build path, but importing the project doesn't.
That's the part that feels like a bug to me.  Does that work differently
in 1.0?

Cheers,
Derek

On Tue, Aug 9, 2011 at 7:42 PM, Igor Fedorenko <igor@xxxxxxxxxxxxxx
<mailto:igor@xxxxxxxxxxxxxx>> wrote:

    Although m2e-core 1.0 does not directly support any code generation
    maven plugin, I believe jaxb and javacc are supported by m2e extensions
    available from m2e marketplace.

    Mapping of Maven project configuration to Eclipse workspace has been
    significantly reworked in 1.0 and these changes cannot be backported to
    0.12.x. [1] provides some background information about this change.

    [1] http://wiki.eclipse.org/M2E___plugin_execution_not_covered
    <http://wiki.eclipse.org/M2E_plugin_execution_not_covered>

    --
    Regards,
    Igor


    On 11-08-10 3:43 AM, Derek Lewis wrote:

        Hello,

        I've been working a lot in recent months on getting our application
        working smoothly in Eclipse 3.6 with Maven3 and M2Eclipse.
          We've been
        using m2e 0.12.x, since this seemed like the best choice when we
        started
        the conversion from Ant to Maven, many months ago.  I'm having a
        fairly
        significant problem with it though.  When I import any project than
        generates sources (JAXB, JavaCC, etc) m2e doesn't add the generated
        sources folder as a source folder until I do "Maven -> Update
        Project
        Configuration".  Since we have 68 projects, 4 of which have
        generated
        sources, I'd rather not have to document this as a manual step to
        perform after "Import Existing Maven Project" when setting up a
        development environment.  I'm using m2e 0.12.2.20110215-2017 from
        https://repository.sonatype.__org/content/sites/forge-sites/__m2e/0.12.2/S/0.12.2.20110415-__2017/
        <https://repository.sonatype.org/content/sites/forge-sites/m2e/0.12.2/S/0.12.2.20110415-2017/>.

        I would like to upgrade to m2e 1.0 eventually, but we have a lot of
        custom plugins that we would have to change to use the new
        org.eclipse
        rather than org.maven packages, which we don't have the time to
        properly
        test right now.  I'd really like to get this working on 0.12.2.
          Is this
        problem fixed on 1.0?  Is it possible to get a backport of the
        fix to 0.12?

        Cheers,
        Derek


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