I created a block project with the version 1.0.0 of
cocoon-22-archetype-block.

mvn archetype:create -DarchetypeGroupId=org.apache.cocoon
-DarchetypeArtifactId=cocoon-22-archetype-block
-DarchetypeVersion=1.0.0 -DgroupId=my.company
-DartifactId=myFirstBlock


I receive this error when I invoke:

mvn eclipse:eclipse

[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix:
'eclipse'.
[INFO]
------------------------------------------------------------------------
[INFO] Building dealsRepo
[INFO]    task-segment: [eclipse:eclipse]
[INFO]
------------------------------------------------------------------------
[INFO] Preparing eclipse:eclipse
[INFO] No goals needed for project - skipping
[WARNING] POM for
'org.eclipse.core:resources:pom:3.3.0-v20070604:runtime' is
invalid. It will be ignored for artifact resolution. Reason:
Not a v4.0.0 POM. for project org.eclipse.core:resources at
/Users/alessandro/.m2/repository/org/eclipse/core/resources/3.3.0-v20070604/resources-3.3.0-v20070604.pom
[INFO] [eclipse:eclipse]
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO]
org/eclipse/core/internal/localstore/SafeChunkyInputStream
[INFO]
------------------------------------------------------------------------
[INFO] Trace
java.lang.NoClassDefFoundError:
org/eclipse/core/internal/localstore/SafeChunkyInputStream
        at
org.apache.maven.plugin.eclipse.EclipsePlugin.getWorkspaceConfiguration(EclipsePlugin.java:1473)
        at
org.apache.maven.plugin.eclipse.EclipsePlugin.fillDefaultClasspathContainers(EclipsePlugin.java:1222)
        at
org.apache.maven.plugin.eclipse.EclipsePlugin.setup(EclipsePlugin.java:753)
        at
org.apache.maven.plugin.ide.AbstractIdeSupportMojo.execute(AbstractIdeSupportMojo.java:483)
        at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:447)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:493)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:463)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
        at
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:333)
        at
org.apache.maven.DefaultMaven.execute(DefaultMaven.java:126)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:282)
        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:585)
        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)



Any suggestions?

thanks in advance
Alessandro

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