After stopping Forge 2.7.0. through Stop button in Forge console view, Stop button remains enabled and Start button remains disabled. Thus user is unable to start forge again without switching forge to forge 1.x and back to 2.7.
Additionally, when user closes Forge console view when in this "inconsistent" state (forge is stopped, Stop button enabled, start button disabled) and then tries to open again it, console fails to create and this error is thrown:
org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4441) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.SWT.error(SWT.java:4327) at org.eclipse.swt.widgets.Widget.error(Widget.java:476) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:413) at org.eclipse.swt.widgets.Widget.addDisposeListener(Widget.java:296) at org.jboss.tools.forge.ui.internal.console.AbstractForgeConsole.createControl(AbstractForgeConsole.java:45) at org.jboss.tools.forge.ui.internal.part.ForgeConsolePage.createControl(ForgeConsolePage.java:39) at org.jboss.tools.forge.ui.internal.part.ForgeConsolePage.createControl(ForgeConsolePage.java:34) at org.jboss.tools.forge.ui.internal.part.ForgeConsolePageBook.initializePages(ForgeConsolePageBook.java:30) at org.jboss.tools.forge.ui.internal.part.ForgeConsolePageBook.<init>(ForgeConsolePageBook.java:23) at org.jboss.tools.forge.ui.internal.part.ForgeConsoleView.createPageBook(ForgeConsoleView.java:43) at org.jboss.tools.forge.ui.internal.part.ForgeConsoleView.createPartControl(ForgeConsoleView.java:24) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:140) at org.eclipse.ui.internal.e4.compatibility.CompatibilityView.createPartControl(CompatibilityView.java:155) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:321) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:888) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:869) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:120) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:337) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:258) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:104) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:73) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:55) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:127) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:983) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:662) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$6.run(PartRenderingEngine.java:547) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:531) at org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:69) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:983) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:662) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.handleEvent(PartRenderingEngine.java:141) at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:156) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4622) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:218) at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:59) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374) at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setToBeRendered(UIElementImpl.java:303) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:485) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:454) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:692) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:672) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:613) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:601) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1118) at org.eclipse.ui.internal.WorkbenchPage.showPart(WorkbenchPage.java:1278) at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1269) at org.eclipse.ui.internal.WorkbenchPage$13.run(WorkbenchPage.java:4144) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4140) at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4120) at org.eclipse.ui.internal.quickaccess.ViewElement.execute(ViewElement.java:71) at org.eclipse.ui.internal.quickaccess.SearchField$2.handleElementSelected(SearchField.java:179) at org.eclipse.ui.internal.quickaccess.QuickAccessContents.handleSelection(QuickAccessContents.java:461) at org.eclipse.ui.internal.quickaccess.QuickAccessContents.access$0(QuickAccessContents.java:451) at org.eclipse.ui.internal.quickaccess.QuickAccessContents$1.keyPressed(QuickAccessContents.java:496) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:167) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4486) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1424) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:824) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3269) at org.eclipse.swt.widgets.Text.gtk_key_press_event(Text.java:1795) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2098) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5510) at org.eclipse.swt.widgets.Text.windowProc(Text.java:2744) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4700) 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:9074) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1253) 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:2473) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3439) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438)