This is a question for the m2eclipse user list. But, you need to run Eclipse with a JDK, not a JRE. You're doing that wrong. What you need to do is explained here: http://www.jguru.com/forums/view.jsp?EID=1367369
/Anders On Mon, Nov 9, 2009 at 12:49, lekkie <[email protected]> wrote: > > Hi, > > I have Eclipse ganymede installed and I downloaded m2eclipse plugin to > enable eclipse manage eclipse projects. > > The download was successfully but I can install projects. It kept saying > this: > > constituent12: > > file:/C:/Program%20Files/Eclipse/Eclipse%203.4/plugins/org.maven.ide.components.maven_embedder_3.0.0.SNAPSHOT-r811512/jars/plexus-cipher-1.4.jar > Exception in thread "main" java.lang.NoClassDefFoundError: > org/codehaus/plexus/util/FileUtils > at > > org.apache.cxf.maven_plugin.WsdlOptionLoader.getWsdlFiles(WsdlOptionLoader.java:82) > at > org.apache.cxf.maven_plugin.WsdlOptionLoader.load(WsdlOptionLoader.java:72) > at > > org.apache.cxf.maven_plugin.WSDL2JavaMojo.getWsdlOptionsFromDir(WSDL2JavaMojo.java:125) > at > org.apache.cxf.maven_plugin.WSDL2JavaMojo.execute(WSDL2JavaMojo.java:188) > at > > org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:103) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:477) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:314) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:199) > at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:460) > at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:334) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:70) > 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: java.lang.ClassNotFoundException: > org.codehaus.plexus.util.FileUtils > at > > org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) > at > > org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:215) > at > > org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:201) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) > ... 19 more > > I can authoritatively confirm toyou the class in present in that path and > that the said file is also present in the jar file. > > Firstly: > It kept saying "Eclipse is running in a JRE, but a JDK is required. Some > Maven plugins may not work when importing projects or updating source > folders." even though I have changed the settings in > "Windows->preferences->java->Installed JRE" to a jdk path. > > It also complains of "Settings file doesn't exist. Returning null.". I have > no settings.xml in my local repository. How to I setup the file, what is > the > content, I seriously doubt that is the cause of the error. > > At some point during start up, it comes with this error: > > \xalan\xalan\2.7.1\xalan-2.7.1.pom error in opening zip file > > Any suggestion will be appreciated. > > kr, > > Lekkie. > > > > -- > View this message in context: > http://old.nabble.com/Exception-in-thread-%22main%22-java.lang.NoClassDefFoundError-tp26265069p26265069.html > Sent from the Maven - Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
