Funny enough the Maven Shade Plugin gives a similar error, so is it a installation/version issue?
JAVA_HOME points to a JDK. I used both 1.5.0_11 and 1.6.0_5, same result. It is Windows XP Professional, I have administration rights. Thanks again! Both Stack Traces: 1: MiniJar: java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:114) at java.util.zip.ZipFile.<init>(ZipFile.java:75) at org.vafer.dependency.ClazzpathUnit.<init>(ClazzpathUnit.java:50) at org.codehaus.mojo.minijar.AbstractPluginMojo.execute(AbstractPluginMojo.java:377) 2.: Shade: java.lang.NullPointerException at java.util.zip.ZipFile.<init>(ZipFile.java:106) at java.util.jar.JarFile.<init>(JarFile.java:133) at java.util.jar.JarFile.<init>(JarFile.java:97) at org.apache.maven.plugins.shade.DefaultShader.shade(DefaultShader.java :71) at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java: 285) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi nManager.java:447) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandalone Goal(DefaultLifecycleExecutor.java:493) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau ltLifecycleExecutor.java:463) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan dleFailures(DefaultLifecycleExecutor.java:311) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen ts(DefaultLifecycleExecutor.java:278) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi fecycleExecutor.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(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) --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email