Hi, I get this error when i connect to a mysql database with eclipse debug.
Starting Jetty on port 8888 [WARN] Exception while dispatching incoming RPC call com.google.gwt.user.client.rpc.SerializationException: Type 'com.mysql.jdbc.exceptions.jdbc4.CommunicationsException' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java: 614) at com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java: 126) at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter $ValueWriter$8.write(ServerSerializationStreamWriter.java:152) at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java: 534) at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:609) at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 383) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: 581) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java: 207) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java: 243) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java: 62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 487) 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) [ERROR] 500 - POST /dbmind/greet (127.0.0.1) 57 bytes Request headers Host: localhost:8888 Connection: keep-alive Referer: http://localhost:8888/ Accept: */* User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/ 534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Content-Length: 184 Origin: http://localhost:8888 X-GWT-Module-Base: http://localhost:8888/dbmind/ Content-Type: text/x-gwt-rpc; charset=UTF-8 X-GWT-Permutation: 35D485F388E45FAF93FBD6C114AF0A90 Response headers Content-Type: text/plain Anybody can help me? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.