Re: [ANN] net.ltgt.gwt.maven:gwt-maven-plugin:1.0-alpha-1 released

Thomas, thanks for putting all the effort into this.

I've experimented a bit with 1.0-alpha-2 on a little project with a structure similar to your guice-rf-activities Maven archetype. What I've observed so far:

• When used with GIN 2.0.0, on compiling ${module}.java, the message "The type passed does not inherit from Ginjector - please check the deferred binding rules." appears for the ${module}Ginjector class, followed by a stack trace.
  

The plugin uses its own class loader while GIN's class loader delegates to the system class loader instead of the class loader used to load GIN itself. This apparently causes the same class to be loaded by different class loaders, undermining class identity.

 

If the gwt-maven-plugin alpha is used with a GIN version where the fix for GIN issue 186 has been applied, it works as expected. Unfortunately, this fix is not available in GIN's svn repository yet.

• On the first run of mvn package after mvn clean, this message appears, followed by a stack trace: [INFO] Unable to create new cache log file .../${module}/${module}-client/target/${module}-client-1.0-SNAPSHOT/../gwt-unitCache/gwt-unitCache-0000013F1E883EF9.

• Successive invocations of mvn package on unchanged sources always compile the GWT module.

The third point is what currently precludes further use of the alpha-2 version. In addition, I still need to figure out how to configure a draft compile for just one user agent. In the guice-rf-activities archetype there was a separate gwt.xml module file for that. Now it seems that module file names are somewhat hard coded into the plugin. However this one is not that important as one might introduce a code generation step for the module file.

I've also read your well written analysis in the blog post In quest of the ultimate build tool, so I'm curious how this might work out. For now, I would appreciate if Maven could be tamed to nicely support multi-module GWT builds and the new plugin looks promising to me.

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