Re: [m2e-dev] setting Eclipse build path to exclude package.html to avoi

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

This looks like a bug and will likely need changing m2e to fix. Since
this is a dev list I will assume change m2e is what you want to do ;-)

org.eclipse.m2e.jdt.internal.AbstractJavaProjectConfigurator already has
the logic to read maven-compiler-plugin includes/excludes configuration
parameter and apply corresponding patterns to Eclipse JDT source folder
IClasspathEntry. For some reason this logic does not work for your
project. So I would start by setting up a regression test that
demonstrates the problem first and once you have the test fixing the
problem should be a simple matter of writing code :-)

m2e development environment setup and ways to submit patches is
documented in

   http://wiki.eclipse.org/M2E_Development_Environment

--
Regards,
Igor

On 2013-09-10 9:47 AM, Marshall Schor wrote:
> We're getting these in our build, if we use Eclipse auto-builds, and don't run
> Maven with "clean" first.
>
> An analysis of this (using info from the maven-javadoc-plugin -Ddebug option)
> shows why:
>
> Eclipse builds both "compiles" files to the output directory,and also "copies"
> non-java files to the output directory.  This is different from Maven builds,
> which only compiles files from the src/main/java folder, and copies files from
> the src/main/resources folder (by default).
>
> The result: If the maven build has an invocation of the maven-javadoc-plugin, it
> has the source folder in the javadoc "sources", and the output directory (e.g.
> target/classes) in the classpath.
>
> When Eclipse "built" this, and then Maven is run without "clean", the javadoc
> finds the package.html in both the sources, and in its classpath, and after Java
> 1.5, now generates the warning message about multiple sources of package
> comments found...
>
>
> Can the m2e setup for Eclipse do something when setting up the Eclipse
> build-path add an exclusion to the src/main/java path to exclude (not copy)
> files which Maven's build would not copy, like package.html?
>
> -Marshall Schor
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