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java.lang.IllegalArgumentException: ReferenceHelper not set	at weblogic.rmi.extensions.server.ReferenceHelper.getReferenceHelper(ReferenceHelper.java:35)	at weblogic.rmi.extensions.PortableRemoteObject.narrow(PortableRemoteObject.java:88)	at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteObjectDelegateImpl.java:32)	at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)	at com.harris.emm.visualization.main.WelcomeView$1.widgetSelected(WelcomeView.java:95)	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at com.harris.emm.visualization.main.Application.start(Application.java:20)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)	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:597)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)