You probably want to to be using the released 2.2.

Kristian


2012/2/3 mschipperheyn <[email protected]>:
> I'm using the snapshot and am suddenly seeing this error
>
> [FATAL ERROR] Container realm = plexus.core
> urls[0] = file:/C:/java/apache-maven-2.2.1/lib/maven-2.2.1-uber.jar
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] org/codehaus/plexus/archiver/jar/Manifest$ExistingAttribute
> org.codehaus.plexus.archiver.jar.Manifest$ExistingAttribute
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NoClassDefFoundError:
> org/codehaus/plexus/archiver/jar/Manifest$Existi
> ngAttribute
>        at
> org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:217
> )
>        at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:177)
>        at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi
> nManager.java:490)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
> ultLifecycleExecutor.java:694)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
> fecycle(DefaultLifecycleExecutor.java:556)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau
> ltLifecycleExecutor.java:535)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan
> dleFailures(DefaultLifecycleExecutor.java:387)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen
> ts(DefaultLifecycleExecutor.java:348)
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi
> fecycleExecutor.java:180)
>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>        at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:6
> 0)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
> java:39)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>        at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>
>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: java.lang.ClassNotFoundException:
> org.codehaus.plexus.archiver.jar.Ma
> nifest$ExistingAttribute
>        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>        at
> org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassL
> oader.java:195)
>
> --
> View this message in context: 
> http://maven.40175.n5.nabble.com/maven-war-plugin-2-2-snapshot-suddenly-throws-ClassDefError-Plexus-tp5454020p5454020.html
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