| Re: [m2e-users] Trying to get maven plugin working with m2e |
On Tue, Oct 4, 2016 at 1:32 PM, Igor Fedorenko <igor@xxxxxxxxxxxxxx> wrote:
> You can see how m2e "maps" your plugin execution to Eclipse workspace
> build in project properties, under Maven, Lifecycle Mapping. Check that
> it says mapping=execute and source=maven-plugin there. You can also
> enable debug log and see if m2e logs anything interesting in
> .metadata/.plugins/org.eclipse.m2e.logback. configuration/. Screenshot below, so it looks like this is what I needed. You may have saved me a huge headache. Thanks.
> Beware that there is generally no good way to integrate maven plugin
> execution in Eclipse workspace build. BuildContext you are trying to use
> does not clean obsolete generated files in some cases. There is alsoYeah. I'm persisting state between compiles that includes lists of output files per bundle which lets me compute an obsolete set when the bundle set changes, but the compilers I'm linking together don't all report the files they produce which makes things brittle, and building into a temp space and coping outputs over has its own set of headaches.> takari incrementalbuild library, which is very difficult to use
> correctly.
Thanks. I'll look into that.
> [6] https://github.com/takari/io.takari.incrementalbuild
>
> --
> Regards,
> Igor
>
> On Tue, Oct 4, 2016, at 10:47 AM, Mike Samuel wrote:
>> I'm having trouble getting m2e to invoke my maven code generating
>> plugin[1].
>>
>> I've rewritten it to use BuildContext per [2] and I set up the
>> lifecycle-mapping-metadata.xml [3].
>>
>> With that, Eclipse complains about a demo project that includes the
>> plugin when I install a snapshot with syntax errors in the XML, so it
>> seems to be found, and I've got enough logging to see that m2e is
>> kicking off the maven-resources-plugin when a change a text file in
>> Eclipse, but my plugin doesn't seem to be invoked even though it works
>> fine from the command line.
>>
>> [4] references a plugin.xml, "The follow extension in plugin.xml
>> registers ANTLR project configurator with m2e," but I can't find where
>> that's supposed to go. I see [5] but I'm not writing an
>> eclipse-plugin -- just piggybacking off m2e.
>>
>> Can someone take a look or is there a minimal project template that
>> shows how to integrate these things? I trawled through the ANTLR4
>> plugin and found a lot of helpful stuff but haven't gotten things
>> wired up right yet.
>>
>> thanks, mike
>>
>>
>> [1] - https://github.com/mikesamuel/closure-maven-plugin
>> [2] -
>> https://www.eclipse.org/m2e/documentation/m2e-making- maven-plugins-compat.html
>> [3] -
>> https://github.com/mikesamuel/closure-maven-plugin/blob/ master/plugin/src/main/ resources/META-INF/m2e/ lifecycle-mapping-metadata.xml
>> [4] -
>> https://eclipse.org/m2e/documentation/m2e-extension- development.html
>> [5] -
>> https://wiki.eclipse.org/FAQ_What_is_the_plug-in_manifest_ file_(plugin.xml)%3F
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