It's already been reported here: http://code.google.com/p/google-web-toolkit/issues/detail?id=5778
Looks like it's a devMode only issue. Ryan On Wednesday, April 25, 2012 10:14:04 PM UTC-5, Pradeep B Pillai wrote: > > > > The following is the other error i get frequently and this seems like > its more related to request factory > and I dont know why its happening ..Should I open a bug ? > > I'm using GWT 2.4, browser Chrome 18.0.1025.1065 > > One or more exceptions caught, see full set in > UmbrellaException#getCauses - > CAUSE java.lang.IllegalArgumentException: Something other than a Java > object was returned from JSNI method > '@com.google.web.bindery.autobean.gwt.client.impl.ClientPropertyContext > $Setter::beanSetter(Lcom/google/web/bindery/autobean/shared/impl/ > AbstractAutoBean;Ljava/lang/String;)': JS value of type boolean, > expected java.lang.Object > java.lang.IllegalArgumentException: Something other than a Java object > was returned from JSNI method > '@com.google.web.bindery.autobean.gwt.client.impl.ClientPropertyContext > $Setter::beanSetter(Lcom/google/web/bindery/autobean/shared/impl/ > AbstractAutoBean;Ljava/lang/String;)': JS value of type boolean, > expected java.lang.Object > STACKTRACE : > com.google.web.bindery.requestfactory.shared.impl.AbstractRequestContext > $StandardPayloadDialect.processPayload(AbstractRequestContext.java: > 387) > com.google.web.bindery.requestfactory.shared.impl.AbstractRequestContext > $5.onTransportSuccess(AbstractRequestContext.java:1108) > com.google.web.bindery.requestfactory.gwt.client.DefaultRequestTransport > $1.onResponseReceived(DefaultRequestTransport.java:136) > com.citrix.ws.democenter.module.shared.client.requestfactory.DemoCenterRequestTransport > > > $1.onResponseReceived(DemoCenterRequestTransport.java:84) > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java: > 287) > com.google.gwt.http.client.RequestBuilder > $1.onReadyStateChange(RequestBuilder.java:395) > sun.reflect.GeneratedMethodAccessor352.invoke(Unknown Source) > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: > > > 25) > java.lang.reflect.Method.invoke(Method.java:597) > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java: > > 172) > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java: > > > 337) > com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java: > > > 218) > com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java: > 136) > com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java: > 561) > com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java: > 269) > com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java: > > > 91) > com.google.gwt.core.client.impl.Impl.apply(Impl.java) > com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213) > sun.reflect.GeneratedMethodAccessor345.invoke(Unknown Source) > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: > > > 25) > java.lang.reflect.Method.invoke(Method.java:597) > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java: > > 172) > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java: > > > 292) > com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java: > > > 546) > com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java: > > 363) > java.lang.Thread.run(Thread.java:680) > from > sourceClasscom.google.web.bindery.event.shared.UmbrellaExceptionwith > exception com.google.web.bindery.event.shared.UmbrellaException: One > or more exceptions caught, see full set in UmbrellaException#getCauses -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/r-_YNz5nAWgJ. To post to this group, send email to google-web-toolkit@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.