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