java.lang.RuntimeException: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception

MuleSoft JIRA | Todd Wells | 9 years ago
  1. 0

    I started getting an "Error communicating with server: The call failed on the server; see server log for details." The console window shows a NPE. Restarting the server doesn't help anything... the NPE just keeps occuring. I can't determine how to recover from this error since a restart doesn't resolve it. WARN 2008-03-03 16:22:25,066 [RequestHandlerThread[#4]] org.gwtwidgets.server.s pring.GWTRPCServiceExporter: java.lang.reflect.InvocationTargetException [webapp 2008/03/03 16:22:25] - Exception while dispatching incoming RPC call java.lang.RuntimeException: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:150) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServ iceServlet.java:187) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.handleRequest(GWTR PCServiceExporter.java:168) at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle( HttpRequestHandlerAdapter.java:49) at org.springframework.web.servlet.DispatcherServlet.doDispatch(Dispatch erServlet.java:858) at org.springframework.web.servlet.DispatcherServlet.doService(Dispatche rServlet.java:792) at org.springframework.web.servlet.FrameworkServlet.processRequest(Frame workServlet.java:476) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServ let.java:441) at javax.servlet.http.HttpServlet.service(HttpServlet.java:121) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:249) at winstone.RequestDispatcher.forward(RequestDispatcher.java:334) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:374) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:265) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(Filt erSecurityInterceptor.java:107) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(Fi lterSecurityInterceptor.java:72) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTra nslationFilter.java:124) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.switchuser.SwitchUserProcessingFilter.doFilter(S witchUserProcessingFilter.java:341) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFil ter(AnonymousProcessingFilter.java:125) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(R ememberMeProcessingFilter.java:142) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doF ilter(SecurityContextHolderAwareRequestFilter.java:81) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicPr ocessingFilter.java:174) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProces singFilter.java:271) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:1 10) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilte r(HttpSessionContextIntegrationFilter.java:249) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.jav a:149) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.j ava:98) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364) at org.springmodules.jcr.support.OpenSessionInViewFilter.doFilterInterna l(OpenSessionInViewFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerR equestFilter.java:75) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364) at winstone.RequestDispatcher.forward(RequestDispatcher.java:332) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.jav a:244) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.lang.Thread.run(Unknown Source) Caused by: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'p ublic abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.galaxy.web.rpc.Reg istryService.getArtifact(java.lang.String) throws org.mule.galaxy.web.client.RPC Exception' threw an unexpected exception: java.lang.NullPointerException at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 361) at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 320) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:143) ... 46 more Caused by: java.lang.NullPointerException at org.mule.galaxy.web.server.RegistryServiceImpl.getArtifact(RegistrySe rviceImpl.java:464) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:127) ... 46 more

    MuleSoft JIRA | 9 years ago | Todd Wells
    java.lang.RuntimeException: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception
  2. 0

    I started getting an "Error communicating with server: The call failed on the server; see server log for details." The console window shows a NPE. Restarting the server doesn't help anything... the NPE just keeps occuring. I can't determine how to recover from this error since a restart doesn't resolve it. WARN 2008-03-03 16:22:25,066 [RequestHandlerThread[#4]] org.gwtwidgets.server.s pring.GWTRPCServiceExporter: java.lang.reflect.InvocationTargetException [webapp 2008/03/03 16:22:25] - Exception while dispatching incoming RPC call java.lang.RuntimeException: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:150) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServ iceServlet.java:187) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.handleRequest(GWTR PCServiceExporter.java:168) at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle( HttpRequestHandlerAdapter.java:49) at org.springframework.web.servlet.DispatcherServlet.doDispatch(Dispatch erServlet.java:858) at org.springframework.web.servlet.DispatcherServlet.doService(Dispatche rServlet.java:792) at org.springframework.web.servlet.FrameworkServlet.processRequest(Frame workServlet.java:476) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServ let.java:441) at javax.servlet.http.HttpServlet.service(HttpServlet.java:121) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:249) at winstone.RequestDispatcher.forward(RequestDispatcher.java:334) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:374) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:265) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(Filt erSecurityInterceptor.java:107) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(Fi lterSecurityInterceptor.java:72) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTra nslationFilter.java:124) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.switchuser.SwitchUserProcessingFilter.doFilter(S witchUserProcessingFilter.java:341) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFil ter(AnonymousProcessingFilter.java:125) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(R ememberMeProcessingFilter.java:142) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doF ilter(SecurityContextHolderAwareRequestFilter.java:81) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicPr ocessingFilter.java:174) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProces singFilter.java:271) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:1 10) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilte r(HttpSessionContextIntegrationFilter.java:249) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F ilterChainProxy.java:275) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.jav a:149) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.j ava:98) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364) at org.springmodules.jcr.support.OpenSessionInViewFilter.doFilterInterna l(OpenSessionInViewFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerR equestFilter.java:75) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364) at winstone.RequestDispatcher.forward(RequestDispatcher.java:332) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.jav a:244) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.lang.Thread.run(Unknown Source) Caused by: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'p ublic abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.galaxy.web.rpc.Reg istryService.getArtifact(java.lang.String) throws org.mule.galaxy.web.client.RPC Exception' threw an unexpected exception: java.lang.NullPointerException at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 361) at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 320) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:143) ... 46 more Caused by: java.lang.NullPointerException at org.mule.galaxy.web.server.RegistryServiceImpl.getArtifact(RegistrySe rviceImpl.java:464) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPC ServiceExporter.java:127) ... 46 more

    MuleSoft JIRA | 9 years ago | Todd Wells
    java.lang.RuntimeException: com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception
  3. 0

    GWT 2.0.0 RC2 sample errors

    Google Groups | 7 years ago | Thad Humphries
    java.lang.RuntimeException: java.lang.NoSuchMethodException: public abstract com.extjs.gxt.ui.client.data.ListLoadResult com.pl.jzebrowski.kataster.client.services.SlownikService.getList(com.pl.jzebrowski.kataster.client.beanmodels.SlownikMeta)
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  5. 0

    GWT 2.0.0 RC2 sample errors

    Google Groups | 7 years ago | Thad Humphries
    java.lang.RuntimeException: java.lang.NoSuchMethodException: public abstract com.extjs.gxt.ui.client.data.ListLoadResult com.pl.jzebrowski.kataster.client.services.SlownikService.getList(com.pl.jzebrowski.kataster.client.beanmodels.SlownikMeta)
  6. 0

    gwt-sl-0.1.5b and GWT 1.6

    Google Groups | 8 years ago | Alejandro Garin
    java.lang.RuntimeException: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.RuntimeException

      com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.mule.galaxy.web.rpc.ArtifactGroup org.mule.g alaxy.web.rpc.RegistryService.getArtifact(java.lang.String) throws org.mule.gala xy.web.client.RPCException' threw an unexpected exception: java.lang.NullPointer Exception

      at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall()
    2. SL for GWT
      GWTRPCServiceExporter.processCall
      1. org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPCServiceExporter.java:150)
      1 frame
    3. Jetty Contrib :: jetty-gwt RemoteServiceServlet
      RemoteServiceServlet.doPost
      1. com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:187)
      1 frame
    4. SL for GWT
      GWTRPCServiceExporter.handleRequest
      1. org.gwtwidgets.server.spring.GWTRPCServiceExporter.handleRequest(GWTRPCServiceExporter.java:168)
      1 frame
    5. Spring MVC
      FrameworkServlet.doPost
      1. org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:49)
      2. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:858)
      3. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:792)
      4. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:476)
      5. org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:441)
      5 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:121)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
      2 frames
    7. winstone
      RequestDispatcher.doFilter
      1. winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
      2. winstone.RequestDispatcher.forward(RequestDispatcher.java:334)
      3. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:374)
      3 frames
    8. Acegi Security Core
      FilterToBeanProxy.doFilter
      1. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
      2. org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
      3. org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
      4. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      5. org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124)
      6. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      7. org.acegisecurity.ui.switchuser.SwitchUserProcessingFilter.doFilter(SwitchUserProcessingFilter.java:341)
      8. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      9. org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
      10. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      11. org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
      12. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      13. org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)
      14. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      15. org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
      16. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      17. org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
      18. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      19. org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
      20. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      21. org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
      22. org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
      23. org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
      24. org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
      24 frames
    9. winstone
      RequestDispatcher.doFilter
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364)
      2 frames
    10. org.springmodules.jcr
      OpenSessionInViewFilter.doFilterInternal
      1. org.springmodules.jcr.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:93)
      1 frame
    11. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
      1 frame
    12. winstone
      RequestHandlerThread.run
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:364)
      3. winstone.RequestDispatcher.forward(RequestDispatcher.java:332)
      4. winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
      5. winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
      5 frames
    13. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame