Make sure your service method declares RuntimeException or NullPointerException. Service methods must declare all exceptions that server may throw. If service method doesn't declare an exception and server throws, UnexpectedException is thrown. You can find an example from http://www.gwtorm.com/mail/Mail.html.
Jim http://www.gwtorm.com http://code.google.com/p/dreamsource-orm/downloads/list On May 1, 10:47 am, surfi2000 <[email protected]> wrote: > Hi, > > I am having a little problem with a program I wrote. I am fairly new > to GWT. The eclipse program can be downloaded from the following url: > > http://www.stephanm.net/WebTech.zip > > There is a little form when you run the program. When you fill it in > and click submit it is processed. However, when you click the query > button it is suppose to find it in an xml file. I am getting the > following error message when clicking the query button. Could someone > have a look at it and explain what I am doing wrong? > > Thanks > > [WARN] StandardContext[]Exception while dispatching incoming RPC call > com.google.gwt.user.server.rpc.UnexpectedException: Service method > 'public abstract com.uni.sme.client.Company > com.uni.sme.client.CompanyService.getCompany(java.lang.String)' threw > an unexpected exception: java.lang.NullPointerException > at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure > (RPC.java:360) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > (RPC.java:546) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall > (RemoteServiceServlet.java:166) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost > (RemoteServiceServlet.java:86) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at com.google.gwt.dev.shell.GWTShellServlet.service > (GWTShellServlet.java:288) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter > (ApplicationFilterChain.java:237) > at org.apache.catalina.core.ApplicationFilterChain.doFilter > (ApplicationFilterChain.java:157) > at org.apache.catalina.core.StandardWrapperValve.invoke > (StandardWrapperValve.java:214) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardContextValve.invokeInternal > (StandardContextValve.java:198) > at org.apache.catalina.core.StandardContextValve.invoke > (StandardContextValve.java:152) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardHostValve.invoke > (StandardHostValve.java:137) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.valves.ErrorReportValve.invoke > (ErrorReportValve.java:118) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:102) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardEngineValve.invoke > (StandardEngineValve.java:109) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java: > 929) > at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: > 160) > at org.apache.coyote.http11.Http11Processor.process > (Http11Processor.java:799) > at org.apache.coyote.http11.Http11Protocol > $Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > at org.apache.tomcat.util.net.TcpWorkerThread.runIt > (PoolTcpEndpoint.java:577) > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > (ThreadPool.java:683) > at java.lang.Thread.run(Thread.java:613) > Caused by: java.lang.NullPointerException: null > at com.uni.sme.server.CompanyManager.getCompany(CompanyManager.java: > 41) > at com.uni.sme.server.CompanyServiceImpl.getCompany > (CompanyServiceImpl.java:33) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:39) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > (RPC.java:527) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall > (RemoteServiceServlet.java:166) > at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost > (RemoteServiceServlet.java:86) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at com.google.gwt.dev.shell.GWTShellServlet.service > (GWTShellServlet.java:288) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter > (ApplicationFilterChain.java:237) > at org.apache.catalina.core.ApplicationFilterChain.doFilter > (ApplicationFilterChain.java:157) > at org.apache.catalina.core.StandardWrapperValve.invoke > (StandardWrapperValve.java:214) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardContextValve.invokeInternal > (StandardContextValve.java:198) > at org.apache.catalina.core.StandardContextValve.invoke > (StandardContextValve.java:152) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardHostValve.invoke > (StandardHostValve.java:137) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.valves.ErrorReportValve.invoke > (ErrorReportValve.java:118) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:102) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.StandardEngineValve.invoke > (StandardEngineValve.java:109) > at org.apache.catalina.core.StandardValveContext.invokeNext > (StandardValveContext.java:104) > at org.apache.catalina.core.StandardPipeline.invoke > (StandardPipeline.java:520) > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java: > 929) > at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: > 160) > at org.apache.coyote.http11.Http11Processor.process > (Http11Processor.java:799) > at org.apache.coyote.http11.Http11Protocol > $Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > at org.apache.tomcat.util.net.TcpWorkerThread.runIt > (PoolTcpEndpoint.java:577) > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > (ThreadPool.java:683) > at java.lang.Thread.run(Thread.java:613) --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
