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 -~----------~----~----~----~------~----~------~--~---
