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java.lang.NullPointerException: null	at com.google.gwt.i18n.client.DateTimeFormat.format(DateTimeFormat.java:912)	at org.springsource.roo.extrack.client.scaffold.generated.ExpenseDetailsView.setValue(ExpenseDetailsView.java:91)	at org.springsource.roo.extrack.client.scaffold.generated.ExpenseDetailsView.setValue(ExpenseDetailsView.java:1)	at org.springsource.roo.extrack.client.ui.ExpenseDetailsActivity$2.onSuccess(ExpenseDetailsActivity.java:77)	at org.springsource.roo.extrack.client.ui.ExpenseDetailsActivity$2.onSuccess(ExpenseDetailsActivity.java:1)	at com.google.gwt.requestfactory.client.impl.AbstractRequest.succeed(AbstractRequest.java:214)	at com.google.gwt.requestfactory.client.impl.AbstractRequestFactory$2.handleResult(AbstractRequestFactory.java:114)	at com.google.gwt.requestfactory.client.impl.AbstractRequest.handleResponseText(AbstractRequest.java:111)	at com.google.gwt.requestfactory.client.impl.AbstractRequestContext$4.onTransportSuccess(AbstractRequestContext.java:390)	at com.google.gwt.requestfactory.client.DefaultRequestTransport$1.onResponseReceived(DefaultRequestTransport.java:140)	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.GeneratedMethodAccessor37.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	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.java:157)	at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:326)	at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:207)	at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:126)	at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:562)	at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)	at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)	at com.google.gwt.core.client.impl.Impl.apply(Impl.java)	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214)	at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	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.java:157)	at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:281)	at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:531)	at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)	at java.lang.Thread.run(Thread.java:636)