#EXEC: create a new AS server adapter, set its "Server Behavior" to Local, RSE, etc. but NOT to OpenShift #EXEC: once the adapter is created, open up the server editor and switch the behaviour to "OpenShift Express" Result: you get the following stack trace in the log: java.lang.IllegalArgumentException: Argument cannot be null at org.eclipse.swt.SWT.error(SWT.java:4263) at org.eclipse.swt.SWT.error(SWT.java:4197) at org.eclipse.swt.SWT.error(SWT.java:4168) at org.eclipse.swt.widgets.Widget.error(Widget.java:466) at org.eclipse.swt.widgets.Text.setText(Text.java:2099) at org.jboss.tools.openshift.express.internal.ui.behaviour.OpenShiftDeployUI.createWidgets(OpenShiftDeployUI.java:55) at org.jboss.tools.openshift.express.internal.ui.behaviour.OpenShiftDeployUI.fillComposite(OpenShiftDeployUI.java:22) at org.jboss.ide.eclipse.as.ui.editor.ServerModeSectionComposite$DeployUIAdditions.createComposite(ServerModeSectionComposite.java:157) at org.jboss.ide.eclipse.as.ui.editor.ServerModeSectionComposite.deployTypeChanged(ServerModeSectionComposite.java:184) at org.jboss.ide.eclipse.as.ui.editor.ServerModeSectionComposite.access$1(ServerModeSectionComposite.java:178) at org.jboss.ide.eclipse.as.ui.editor.ServerModeSectionComposite$2.modifyText(ServerModeSectionComposite.java:123) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:179) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263) at org.eclipse.swt.widgets.Combo.gtk_changed(Combo.java:1170) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1693) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4402) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8422) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1245) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2276) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3207) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) 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:344) 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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)