org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.IllegalArgumentException)
	at org.eclipse.swt.SWT.error(SWT.java:4481)
	at org.eclipse.swt.SWT.error(SWT.java:4396)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3997)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3674)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)
	at org.eclipse.jface.window.Window.open(Window.java:803)
	at org.jboss.tools.forge.ui.internal.ext.dialog.WizardDialogHelper.openWizard(WizardDialogHelper.java:210)
	at org.jboss.tools.forge.ui.internal.ext.dialog.WizardDialogHelper.openWizard(WizardDialogHelper.java:102)
	at org.jboss.tools.forge.ui.internal.ext.dialog.UICommandListDialog$1$1.handleElementSelected(UICommandListDialog.java:233)
	at org.jboss.tools.forge.ui.internal.ext.quickaccess.QuickAccessContents.handleSelection(QuickAccessContents.java:322)
	at org.jboss.tools.forge.ui.internal.ext.quickaccess.QuickAccessContents.access$0(QuickAccessContents.java:312)
	at org.jboss.tools.forge.ui.internal.ext.quickaccess.QuickAccessContents$1.keyPressed(QuickAccessContents.java:343)
	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:4203)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1467)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1490)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1475)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1504)
	at org.eclipse.swt.widgets.Text.sendKeyEvent(Text.java:1634)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1500)
	at org.eclipse.swt.widgets.Text.sendKeyEvent(Text.java:1600)
	at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:1060)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5757)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221)
	at org.eclipse.swt.widgets.Widget.superKeyDown(Widget.java:1908)
	at org.eclipse.swt.widgets.Widget.keyDown(Widget.java:1085)
	at org.eclipse.swt.widgets.Control.keyDown(Control.java:2406)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5667)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221)
	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2105)
	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2337)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5729)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:5166)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5315)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3669)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1112)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:993)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
	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:380)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
	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)
Caused by: java.lang.IllegalArgumentException
	at org.jboss.forge.roaster._shade.org.eclipse.jdt.core.dom.AST.newName(AST.java:1938)
	at org.jboss.forge.roaster.model.impl.AbstractJavaSource.setPackage(AbstractJavaSource.java:521)
	at org.jboss.forge.roaster.model.impl.AbstractJavaSource.setPackage(AbstractJavaSource.java:56)
	at org.jboss.forge.addon.parser.java.ui.AbstractJavaSourceCommand.buildJavaSource(AbstractJavaSourceCommand.java:192)
	at org.jboss.forge.addon.parser.java.ui.AbstractJavaSourceCommand.classExists(AbstractJavaSourceCommand.java:162)
	at org.jboss.forge.addon.parser.java.ui.AbstractJavaSourceCommand.access$100(AbstractJavaSourceCommand.java:58)
	at org.jboss.forge.addon.parser.java.ui.AbstractJavaSourceCommand$2.call(AbstractJavaSourceCommand.java:100)
	at org.jboss.forge.addon.parser.java.ui.AbstractJavaSourceCommand$2.call(AbstractJavaSourceCommand.java:92)
	at org.jboss.forge.furnace.util.Callables.call(Callables.java:43)
	at org.jboss.forge.addon.ui.impl.input.AbstractInputComponent.isEnabled(AbstractInputComponent.java:99)
	at sun.reflect.GeneratedMethodAccessor319.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.jboss.forge.furnace.proxy.ClassLoaderInterceptor$1.call(ClassLoaderInterceptor.java:87)
	at org.jboss.forge.furnace.util.ClassLoaders.executeIn(ClassLoaders.java:42)
	at org.jboss.forge.furnace.proxy.ClassLoaderInterceptor.invoke(ClassLoaderInterceptor.java:103)
	at org.jboss.forge.addon.facets.AbstractFaceted_$$_javassist_73339967-8f00-406f-8f86-d626f933e158.isEnabled(AbstractFaceted_$$_javassist_73339967-8f00-406f-8f86-d626f933e158.java)
	at sun.reflect.GeneratedMethodAccessor325.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback$2.call(ClassLoaderAdapterCallback.java:123)
	at org.jboss.forge.furnace.util.ClassLoaders.executeIn(ClassLoaders.java:42)
	at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback.invoke(ClassLoaderAdapterCallback.java:96)
	at org.jboss.forge.addon.facets.AbstractFaceted_$$_javassist_58de67b1-36c3-4a0d-b29d-b8b860d2a3f0.isEnabled(AbstractFaceted_$$_javassist_58de67b1-36c3-4a0d-b29d-b8b860d2a3f0.java)
	at org.jboss.tools.forge.ui.internal.ext.control.ControlBuilder.updateState(ControlBuilder.java:192)
	at org.jboss.tools.forge.ui.internal.ext.wizards.ForgeWizardPage.updatePageState(ForgeWizardPage.java:203)
	at org.jboss.tools.forge.ui.internal.ext.wizards.ForgeWizardPage.validatePage(ForgeWizardPage.java:237)
	at org.jboss.tools.forge.ui.internal.ext.wizards.ForgeWizardPage.access$5(ForgeWizardPage.java:233)
	at org.jboss.tools.forge.ui.internal.ext.wizards.ForgeWizardPage$1$1.run(ForgeWizardPage.java:180)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
	... 60 more