| Re: [m2e-dev] [m2e-users] m2e plugin execution enhances classes but eclipse resources are then out of sync |
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I'm interested in looking at providing a patch for the issue below. Where do I start?
> Date: Wed, 7 Dec 2011 22:09:51 -0500 > From: igor@xxxxxxxxxxxxxx > To: m2e-users@xxxxxxxxxxx > Subject: Re: [m2e-users] m2e plugin execution enhances classes but eclipse resources are then out of sync > > If you are interested in providing a patch that implements this idea, > please join m2e-dev@xxxxxxxxxxx and I'll give you some pointers where to > start and explain basic requirements to the patches we can accept. > > -- > Regards, > Igor > > On 11-12-07 9:16 PM, Anthony Fryer wrote: > > It would be nice if you could configure the lifecycle-mappnig to tell > > the m2e MavenBuilder that the classes have been modified by a plugin > > execution and that it should refresh the class resources in eclipse > > without triggering a new incremental build. > > > > Something like this... > > > > <action> > > <execute> > > <modifiesClassFiles>true</modifiesClassFiles> > > </execute> > > </action> > > > > I'm just thinkg that might remove the need to create an m2e extension to > > get this to work. > > > > Cheers, > > > > Anthony > > > > > Date: Wed, 7 Dec 2011 07:30:08 -0500 > > > From: igor@xxxxxxxxxxxxxx > > > To: m2e-users@xxxxxxxxxxx > > > Subject: Re: [m2e-users] m2e plugin execution enhances classes but > > eclipse resources are then out of sync > > > > > > This is exactly the problem described in [1]. Here is a relevant quote: > > > > > > "Out-of-workspace resource changes made by Maven plugin triggered > > > unexpected workspace builds. This was very indeterministic. In some > > > cases projects appeared to work fine. In some cases, generated/filtered > > > resources would go missing. And in some cases workspace build would go > > > on forever." > > > > > > You need a proper m2e integration to modify .class files, <execute/> > > > mapping will not work. > > > > > > [1] http://wiki.eclipse.org/M2E_plugin_execution_not_covered > > > > > > -- > > > Regards, > > > Igor > > > > > > On 11-12-07 6:51 AM, Anthony Fryer wrote: > > > > I have a JPA project and as part of my maven build I am enhancing the > > > > classes. In eclipse have auto build enabled and in my pom.xml I have > > > > configured m2e to execute the ehance goal to run as part of the build. > > > > This all seems to work fine except for one issue. After the > > enhancer has > > > > run, the class files are out of sync with eclipse. This is a problem > > > > because if i try to publish to a server I get an error like > > "Resource is > > > > out of sync with the file system: > > > > '/my-project/target/classes/com/xyz/entity/MyEntity.class'.". I can't > > > > seem to manually refresh the classes either, so I'm stuck at this > > point, > > > > not being able to publish to the server. > > > > > > > > If i configure eclipse to auto Refresh resources automatically > > > > (windows->preferences->General->Workspace->(Refresh using native hooks > > > > or polling | Refresh on Access) ), then i get into a never ending build > > > > cycle loop. It builds, runs the enhancer which updates the class files, > > > > reloads the class files which triggers another auto build, and so on, > > > > building forever. > > > > > > > > Could the m2e plugin update the eclipse resources after the maven > > > > builder has executed, so that eclipse is then in sync with the class > > > > files that could potentially get modified by the maven builder? > > > > > > > > The relevent sections of the pom.xml for my project are as follows... > > > > > > > > <plugin> > > > > <groupId>org.codehaus.mojo</groupId> > > > > <artifactId>openjpa-maven-plugin</artifactId> > > > > <version>1.2</version> > > > > <configuration> > > > > <includes>**/entity/*.class</includes> > > > > <excludes>**/entity/*_.class,**/entity/*$*.class</excludes> > > > > </configuration> > > > > <executions> > > > > <execution> > > > > <id>enhancer</id> > > > > <phase>process-classes</phase> > > > > <goals> > > > > <goal>enhance</goal> > > > > </goals> > > > > </execution> > > > > </executions> > > > > </plugin> > > > > > > > > <pluginManagement> > > > > <plugins> > > > > <!--This plugin's configuration is used to store Eclipse m2e settings > > > > only. It has no influence on the Maven build itself.--> > > > > <plugin> > > > > <groupId>org.eclipse.m2e</groupId> > > > > <artifactId>lifecycle-mapping</artifactId> > > > > <version>1.0.0</version> > > > > <configuration> > > > > <lifecycleMappingMetadata> > > > > <pluginExecutions> > > > > <pluginExecution> > > > > <pluginExecutionFilter> > > > > <groupId>org.codehaus.mojo</groupId> > > > > <artifactId> > > > > openjpa-maven-plugin > > > > </artifactId> > > > > <versionRange>[1.2,)</versionRange> > > > > <goals> > > > > <goal>enhance</goal> > > > > </goals> > > > > </pluginExecutionFilter> > > > > <action> > > > > <execute/> > > > > </action> > > > > </pluginExecution> > > > > </pluginExecutions> > > > > </lifecycleMappingMetadata> > > > > </configuration> > > > > </plugin> > > > > </plugins> > > > > </pluginManagement> > > > > > > > > > > > > _______________________________________________ > > > > m2e-users mailing list > > > > m2e-users@xxxxxxxxxxx > > > > https://dev.eclipse.org/mailman/listinfo/m2e-users > > > _______________________________________________ > > > m2e-users mailing list > > > m2e-users@xxxxxxxxxxx > > > https://dev.eclipse.org/mailman/listinfo/m2e-users > > > > > > _______________________________________________ > > m2e-users mailing list > > m2e-users@xxxxxxxxxxx > > https://dev.eclipse.org/mailman/listinfo/m2e-users > _______________________________________________ > m2e-users mailing list > m2e-users@xxxxxxxxxxx > https://dev.eclipse.org/mailman/listinfo/m2e-users |