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From "Benjamin Bentmann (JIRA)" <j...@codehaus.org>
Subject [jira] Closed: (MNG-4443) gwt-maven-plugin + gwt-2.0.0-ms2: GWTCompiler failed -> [Help 1]
Date Fri, 13 Nov 2009 23:46:55 GMT

     [ http://jira.codehaus.org/browse/MNG-4443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Bentmann closed MNG-4443.
----------------------------------

    Resolution: Not A Bug
      Assignee: Benjamin Bentmann

I managed to reproduce the compilation failure when using gwt-maven-plugin:1.0 with both Maven
2.2.1 and Maven 3.0-alpha-3. The project builds fine as soon as the gwt-maven-plugin is locked
down to version 1.1, again with both Maven 2.2.1 and 3.0-alpha-3. So it's just a matter of
specifying the correct plugin version.

The difference between Maven 2 and 3 in case of a missing plugin version results from the
current metadata for gwt-maven-plugin:
{code:xml}
<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>gwt-maven-plugin</artifactId>
  <version>1.0</version>
  <versioning>
    <latest>1.1</latest>
    <release>1.0</release>
    <versions>
      <version>1.0</version>
      <version>1.1</version>
    </versions>
    <lastUpdated>20090618131729</lastUpdated>
  </versioning>
</metadata>
{code}
which lists latest=1.1 but release=1.0. Maven 3 intentionally prefers "release" over "latest".
Given the version 1.1 of the plugin has neither sources nor javadoc, I guess the release manager
did not use the Maven Release Plugin, thereby producing a bad plugin release.

> gwt-maven-plugin + gwt-2.0.0-ms2: GWTCompiler failed -> [Help 1]
> ----------------------------------------------------------------
>
>                 Key: MNG-4443
>                 URL: http://jira.codehaus.org/browse/MNG-4443
>             Project: Maven 2
>          Issue Type: Bug
>          Components: Plugins and Lifecycle
>    Affects Versions: 3.0-alpha-3
>         Environment: Mac OS X 10.5.8, Windows XP SP2
>            Reporter: Tiago Fernandez
>            Assignee: Benjamin Bentmann
>         Attachments: build.log, pom.xml
>
>
> I am used to build my GWT app (http://github.com/tiagofernandez/bazooka) with Maven 2.x
without any problem, but when I try a clean packaging with Maven 3.0-alpha-3 I get the following
error:
> [ERROR] GWTCompiler failed -> [Help 1]
> org.apache.maven.plugin.MojoExecutionException: GWTCompiler failed
> 	at org.codehaus.mojo.gwt.CompileMojo.compile(CompileMojo.java:136)
> 	at org.codehaus.mojo.gwt.CompileMojo.execute(CompileMojo.java:99)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:105)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:547)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:317)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:239)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:102)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:421)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:156)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:121)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:592)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java: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)
> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:31)
> [ERROR]
> I have attached the build.log with debug logs and exception traces and the pom.xml I'm
using.
> If you need more details, feel free to ask me. Thanks.

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