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http://jira.codehaus.org/browse/MVERSIONS-105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=218873#action_218873
]
Benjamin Bentmann commented on MVERSIONS-105:
---------------------------------------------
The plugin uses reflection to access implementation details which have changed:
{code:java}
private Set getBoundPlugins( MavenProject project, String thePhases )
throws PluginNotFoundException, LifecycleExecutionException,
IllegalAccessException
{
// I couldn't find a direct way to get at the lifecycles list.
List lifecycles = (List) ReflectionUtils.getValueIncludingSuperclasses(
"lifecycles", lifecycleExecutor );
{code}
Restoring compat with Maven 3 should be rather simple: The entire method is
superfluos as the lifecycle bindings are already present in the POM, plugins no
longer need to manually query the lifecycle to figure out what plugins are used
for a project.
> versions-maven-plugin display-plugin-updates fails on 3.0-beta-1 while
> working on 3.0-alph-*
> --------------------------------------------------------------------------------------------
>
> Key: MVERSIONS-105
> URL: http://jira.codehaus.org/browse/MVERSIONS-105
> Project: Maven 2.x Versions Plugin
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Gabe Beged-Dov
>
> The versions plugin has been working with the alpha releases of maven-3 but
> the display-plugin-updates goal fails on beta-1. You can create a project
> with only a pom.xml referencing the versions plugin to demonstrate the
> failure.
> the failure stack is:
> [ERROR] Failed to execute goal
> org.codehaus.mojo:versions-maven-plugin:1.1:display-plugin-updates
> (default-cli) on project foobar: Execution default-cli of goal
> org.codehaus.mojo:versions-maven-plugin:1.1:display-plugin-updates failed.
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.codehaus.mojo:versions-maven-plugin:1.1:display-plugin-updates
> (default-cli) on project foobar: Execution default-cli of goal
> org.codehaus.mojo:versions-maven-plugin:1.1:display-plugin-updates failed.
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:149)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:77)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:69)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:82)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:54)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.singleThreadedBuild(DefaultLifecycleExecutor.java:218)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:190)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:246)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:95)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:430)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:160)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:124)
> 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:597)
> 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)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> default-cli of goal
> org.codehaus.mojo:versions-maven-plugin:1.1:display-plugin-updates failed.
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