Re: Could not initialize class com.google.web.bindery.requestfactory.server.ReflectiveServiceLayer

This seams due to a conflict between two versions of ReflectiveServiceLayer: please note it's not a ClassNotFound but a NoClassDefFound which is often related to a conflict. i still didn't solve my problem but there is clearly this class twice: (try with Ctrl + Shift + T in eclipse): it's both in gwt-servlet and in gwt-user

For me the issue happens on some deployements but not in others (with the same dependencies), so this is probably due to the order in which the jvm reads the classes... Issue to follow

Le jeudi 22 septembre 2011 01:03:03 UTC+1, Jonas a écrit :

Hi,

I'm really new with GWT and the RequestFactory and I try to get this to work but I get error after error... so this is the current one:

[WARN] /gwtRequest

java.lang.NoClassDefFoundError: Could not initialize class com.google.web.bindery.requestfactory.server.ReflectiveServiceLayer
at com.google.web.bindery.requestfactory.server.ServiceLayer.create(ServiceLayer.java:75)
at com.google.web.bindery.requestfactory.server.RequestFactoryServlet.<init>(RequestFactoryServlet.java:103)
at com.google.web.bindery.requestfactory.server.RequestFactoryServlet.<init>(RequestFactoryServlet.java:89)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)
at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:339)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:463)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)

Can anyone give me a hint for where I should look for?

Thanks

Jonas

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