start by looking for any uncaught exception on the server On Dec 19, 6:00 am, Qian ZHAO <z.qi...@gmail.com> wrote: > Hello, Everyone, I'm a new, just start learning GWT, > and, here, I met one error when I want to integrate GWT and > Hiobernate, and here it is the error messages, > > 11:40:32.429 [ERROR] [testgwt] Can't access database > > com.google.gwt.user.client.rpc.StatusCodeException: 500 The call > failed on the server; see server log for details > at > com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceiv > ed(RequestCallbackAdapter.java: > 209) > at > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java: > 287) > at com.google.gwt.http.client.RequestBuilder > $1.onReadyStateChange(RequestBuilder.java:395) > 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 > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > at > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > at > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav a: > 172) > at > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingFo > rReturn(BrowserChannelServer.java: > 337) > at > com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChann > elServer.java: > 218) > at > com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java: > 136) > at > com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java: > 561) > at > com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java: > 269) > at > com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.j > ava: > 91) > at com.google.gwt.core.client.impl.Impl.apply(Impl.java) > at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213) > 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 > com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > at > com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > at > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.jav a: > 172) > at > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChanne > lServer.java: > 292) > at > com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChan > nelServer.java: > 546) > at > com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java : > 363) > at java.lang.Thread.run(Unknown Source) > > is there any one that has ever met this error? what should I do to > solve it？ thank in advance !
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