Hi Jan, I'm not a maven user. You might have better luck on a maven forum. But the stacktrace you provided suggests to me that you have two different versions of GWT on your classpath.
Hope that helps. - Isaac On Thu, Sep 17, 2009 at 5:08 AM, Jan Schultze <[email protected]> wrote: > > Hi folks, > > using GWT 1.7 and Eclipse 3.5 (on Windows 7) I got the following error > message when trying to start the hosted mode using a launch config > generated by the codehaus gwt-maven-plugin: > > "Could not find the main class: com.google.gwt.dev.HostedMode" > > GWT SDK is configured, the missing class is contained in the gwt-dev- > windows.jar. The hosted mode works fine using mvn gwt:run. Colleagues > using Eclipse 3.3 and 3.4 (Windows and Ubuntu) do not suffer from this > problem. In the console view the following stack trace appears. > > java.lang.IncompatibleClassChangeError: Implementing class > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(Unknown Source) > at java.security.SecureClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.access$000(Unknown Source) > at java.net.URLClassLoader$1.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClassInternal(Unknown Source) > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(Unknown Source) > at java.security.SecureClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.access$000(Unknown Source) > at java.net.URLClassLoader$1.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClassInternal(Unknown Source) > Exception in thread "main" > > The error message seems to be incomplete. Creating a launch config > using eclipse did not work either - same error. However, I created a > new dummy project through the plugin. I can generate working launch > configs for the hosted mode for this dummy project without problems. > Any ideas? > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
