You have the websocket classes both in the server side and also in the webapp side.
To fix, remove the websocket classes from your webapp's WEB-INF/lib/ tree. -- Joakim Erdfelt <[email protected]> webtide.com <http://www.webtide.com/> - intalio.com/jetty Expert advice, services and support from from the Jetty & CometD experts eclipse.org/jetty - cometd.org On Mon, Feb 17, 2014 at 9:34 AM, Jason Fugate <[email protected]> wrote: > > I'm updating my WebSocket game from Jetty 8 to Jetty 9. I have a little > embedded test server that I use to launch the game for debugging, which > works in Jetty 8. After updating the .jar files to 9 and refactoring my > WebSocket classes to the new paradigm in 9, I can launch the embedded test > server, but when I connect to it in the browser, I get the below error and > stack trace. > > Manually breakpointing the callstack shows that it is failing on loading > org.eclipse.jetty.util.component.Container, which is strange because it > seemingly creates such Containers with ease in the launch of the server. > > This link is a screenshot of my build path in Eclipse: > http://imgur.com/d7XOgsM The app builds with GWT 2.6. Any ideas on what > I'm missing here? > > java.lang.IncompatibleClassChangeError: Implementing class > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:800) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) > at java.net.URLClassLoader.access$100(URLClassLoader.java:71) > at java.net.URLClassLoader$1.run(URLClassLoader.java:361) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at > org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421) > at > org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383) > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:800) > at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) > at java.net.URLClassLoader.access$100(URLClassLoader.java:71) > at java.net.URLClassLoader$1.run(URLClassLoader.java:361) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at > org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421) > at > org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:270) > at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:363) > at java.util.ServiceLoader$1.next(ServiceLoader.java:445) > at > org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.load(WebSocketServletFactory.java:56) > at > org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.create(WebSocketServletFactory.java:42) > at > org.eclipse.jetty.websocket.servlet.WebSocketServlet.init(WebSocketServlet.java:128) > at javax.servlet.GenericServlet.init(GenericServlet.java:244) > at > org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:534) > at > org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:417) > at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:659) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) > at org.eclipse.jetty.server.Server.handle(Server.java:366) > at > org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) > at > org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949) > at > org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011) > at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644) > at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) > at > org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) > at java.lang.Thread.run(Thread.java:744) > > _______________________________________________ > jetty-users mailing list > [email protected] > https://dev.eclipse.org/mailman/listinfo/jetty-users > >
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