I found the same two issues you describe ... and I would classify them
as problems with the archetype as opposed to problems with the gwt-
maven-plugin's goals.  Since I generally build my projects from
scratch (it's not hard but there are a lot of moving parts until you
get it done correctly), I don't tend to see these issues.

Of course, now the default project structure has changed and I have a
bit of learning to do myself!  Hang in there!

smoyer

On Nov 9, 10:48 am, cri <[email protected]> wrote:
> Upon further experimentation, I'm under the impression that version
> 2.1 of the gwt-maven-plugin described 
> athttp://mojo.codehaus.org/gwt-maven-plugin/
> is not really ready for general use. I found at least two
> configuration defects in it. My recollection is a little vague
> regarding the specific problems. One had to do with an incorrect
> package specification having to do with Message class generation. The
> other was a missing classpath entry for some generated classes, one of
> which was "Messages.java" I think. I don't think that there has been a
> general announcement that this plugin is really ready for use. I'll be
> holding off using it for a while and just stick with standard gwt
> generated projects. I did get quite a way with the plugin and it is
> looking pretty promising.
>
> On Nov 9, 8:31 am, "[email protected]"
>
> <[email protected]> wrote:
> > I am getting this problem when I am running mvn gwt:run commandline
> > option. According tohttp://jira.codehaus.org/browse/MGWT-49, this
> > has been fixed but when we run from commandline the problem is coming.
> > So, I suspect this is problem with the repository.
>
> > On Nov 9, 6:56 pm, "[email protected]"
>
> > <[email protected]> wrote:
> > > I am also getting the same issue. I am not able get started with gwt,
> > > gae using spring roo. I am blocked.
> > > Here is the debug output.
>
> > > Settings\Gopinath\.m2\repository\com\google\appengine\appengine-java-
> > > sdk\1.3.7\appengine-java-sdk-1.3.7\lib\appengine-tools-api.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\com\google\appengine
> > > \appengine-java-sdk\1.3.7\appengine-java-sdk-1.3.7\lib\impl\appengine-
> > > local-runtime.jar" com.google.gwt.dev.DevMode -war C:\temp\petclinic
> > > \target\extrack-0.1.0.BUILD-SNAPSHOT -gen C:\temp\petclinic\target
> > > \.generated -logLevel INFO -port 8888 -startupUrl /
> > > ApplicationScaffold.html -server
> > > com.google.appengine.tools.development.gwt.AppEngineLauncher
> > > org.springsource.roo.extrack.ApplicationScaffold
> > > ]] failed with status 1
> > >         at
> > > org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:
> > > 203)
> > >         at
> > > org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:
> > > 148)
> > >         at
> > > org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:
> > > 140)
> > >         at
> > > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(Lif
> > >  ecycleModuleBuilder.java:
> > > 84)
> > >         at
> > > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(Lif
> > >  ecycleModuleBuilder.java:
> > > 59)
> > >         at
> > > org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(Li
> > >  fecycleStarter.java:
> > > 183)
> > >         at
> > > org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStart
> > >  er.java:
> > > 161)
> > >         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:314)
> > >         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:151)
> > >         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:445)
> > >         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:168)
> > >         at org.apache.maven.cli.MavenCli.main(MavenCli.java:132)
> > >         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >         at
> > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
> > > 39)
> > >         at
> > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp
> > >  l.java:
> > > 25)
> > >         at java.lang.reflect.Method.invoke(Method.java:597)
> > >         at
> > > org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.j
> > >  ava:
> > > 290)
> > >         at
> > > org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:
> > > 230)
> > >         at
> > > org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher
> > >  .java:
> > > 409)
> > >         at
> > > org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:
> > > 352)Causedby:org.codehaus.mojo.gwt.shell.ForkedProcessExecutionException: 
> > > Command
> > > [[
> > > C:\Program Files\Java\jdk1.6.0_02\jre\bin\java -javaagent:C:\Documents
> > > and Settings\Gopinath/.m2/repository/com/google/appengine/appengine-
> > > java-sdk/1.3.7/appengine-java-sdk-1.3.7/lib/agent/appengine-agent.jar -
> > > Xmx1024m -classpath "C:\temp\petclinic\src\main\java;C:\temp\petclinic
> > > \src\main\aspect;C:\temp\petclinic\src\main\resources;C:\temp\petclinic
> > > \target\extrack-0.1.0.BUILD-SNAPSHOT\WEB-INF\classes;C:\Documents and
> > > Settings\Gopinath\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\org\slf4j\slf4j-api
> > > \1.6.1\slf4j-api-1.6.1.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\slf4j\jcl-over-slf4j\1.6.1\jcl-over-
> > > slf4j-1.6.1.jar;C:\Documents and Settings\Gopinath\.m2\repository\org
> > > \slf4j\slf4j-log4j12\1.6.1\slf4j-log4j12-1.6.1.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\org\aspectj\aspectjrt
> > > \1.6.10\aspectjrt-1.6.10.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\aspectj\aspectjweaver
> > > \1.6.10\aspectjweaver-1.6.10.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\javax\servlet\servlet-api\2.5\servlet-api-2.5.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\net\sf\flexjson
> > > \flexjson\2.0\flexjson-2.0.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\roo
> > > \org.springframework.roo.annotations\1.1.0.RELEASE
> > > \org.springframework.roo.annotations-1.1.0.RELEASE.jar;C:\Documents
> > > and Settings\Gopinath\.m2\repository\org\springframework\spring-core
> > > \3.0.5.RELEASE\spring-core-3.0.5.RELEASE.jar;C:\Documents and Settings
> > > \Gopinath\.m2\repository\org\springframework\spring-asm\3.0.5.RELEASE
> > > \spring-asm-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-context\3.0.5.RELEASE
> > > \spring-context-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-beans\3.0.5.RELEASE\spring-
> > > beans-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-expression\3.0.5.RELEASE
> > > \spring-expression-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-aop\3.0.5.RELEASE\spring-
> > > aop-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath\.m2\repository
> > > \aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\org\springframework\spring-aspects
> > > \3.0.5.RELEASE\spring-aspects-3.0.5.RELEASE.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\org\springframework\spring-context-
> > > support\3.0.5.RELEASE\spring-context-support-3.0.5.RELEASE.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\org\springframework
> > > \spring-tx\3.0.5.RELEASE\spring-tx-3.0.5.RELEASE.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\com\google\appengine\orm\datanucleus-
> > > appengine\1.0.7.final\datanucleus-appengine-1.0.7.final.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\com\google\appengine
> > > \appengine-api-1.0-sdk\1.3.7\appengine-api-1.0-sdk-1.3.7.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\javax\persistence
> > > \persistence-api\1.0\persistence-api-1.0.jar;C:\Documents and Settings
> > > \Gopinath\.m2\repository\org\datanucleus\datanucleus-core
> > > \1.1.5\datanucleus-core-1.1.5.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\datanucleus\datanucleus-jpa\1.1.5\datanucleus-
> > > jpa-1.1.5.jar;C:\Documents and Settings\Gopinath\.m2\repository\org
> > > \apache\geronimo\specs\geronimo-jpa_3.0_spec\1.1.1\geronimo-
> > > jpa_3.0_spec-1.1.1.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\datanucleus\datanucleus-rdbms\1.1.5\datanucleus-
> > > rdbms-1.1.5.jar;C:\Documents and Settings\Gopinath\.m2\repository\javax
> > > \transaction\transaction-api\1.1\transaction-api-1.1.jar;C:\Documents
> > > and Settings\Gopinath\.m2\repository\org\datanucleus\datanucleus-
> > > enhancer\1.1.4\datanucleus-enhancer-1.1.4.jar;C:\Documents and Settings
> > > \Gopinath\.m2\repository\javax\jdo\jdo2-api\2.3-ec\jdo2-api-2.3-
> > > ec.jar;C:\Documents and Settings\Gopinath\.m2\repository\org\hibernate
> > > \hibernate-validator\4.1.0.Final\hibernate-validator-4.1.0.Final.jar;C:
> > > \Documents and Settings\Gopinath\.m2\repository\javax\validation
> > > \validation-api\1.0.0.GA\validation-api-1.0.0.GA.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\cglib\cglib-nodep\2.2\cglib-
> > > nodep-2.2.jar;C:\Documents and Settings\Gopinath\.m2\repository\javax
> > > \transaction\jta\1.1\jta-1.1.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-jdbc\3.0.5.RELEASE\spring-
> > > jdbc-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-orm\3.0.5.RELEASE\spring-
> > > orm-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath\.m2\repository
> > > \commons-pool\commons-pool\1.5.4\commons-pool-1.5.4.jar;C:\Documents
> > > and Settings\Gopinath\.m2\repository\commons-dbcp\commons-dbcp
> > > \1.3\commons-dbcp-1.3.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\spring-web\3.0.5.RELEASE\spring-
> > > web-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath\.m2\repository
> > > \org\springframework\spring-webmvc\3.0.5.RELEASE\spring-
> > > webmvc-3.0.5.RELEASE.jar;C:\Documents and Settings\Gopinath
> > > \.m2\repository\org\springframework\webflow\spring-js-resources
> > > \2.2.0.RELEASE\spring-js-resources-2.2.0.RELEASE.jar;C:\Documents and
> > > Settings\Gopinath\.m2\repository\commons-digester\commons-digester
> > > \2.0\commons-digester-2.0.jar;C:\Documents
>
> ...
>
> read more »

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