I've a webapp running ok, but every time that a made a rebuild of it a got the following error if I don't restart tomcat server..... Anybody can help ??
Error: 500 Location: /usermanager/index.html Internal Servlet Error: java.lang.IllegalStateException: Can't happen - classname is null, who added this ? at org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:261) at org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289) at org.apache.tomcat.core.Handler.service(Handler.java:254) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79 7) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC onnectionHandler.java:213) at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501) at java.lang.Thread.run(Thread.java:484) Regards papo
