org.eclipse.core.runtime.CoreException: Variable references non-existent resource : ${workspace_loc:null}
	at org.eclipse.debug.internal.core.variables.WorkspaceResolver.resolveValue(WorkspaceResolver.java:66)
	at org.eclipse.core.internal.variables.DynamicVariable.getValue(DynamicVariable.java:56)
	at org.eclipse.core.internal.variables.StringSubstitutionEngine.resolve(StringSubstitutionEngine.java:269)
	at org.eclipse.core.internal.variables.StringSubstitutionEngine.substitute(StringSubstitutionEngine.java:192)
	at org.eclipse.core.internal.variables.StringSubstitutionEngine.performStringSubstitution(StringSubstitutionEngine.java:87)
	at org.eclipse.core.internal.variables.StringVariableManager.performStringSubstitution(StringVariableManager.java:592)
	at org.eclipse.core.internal.variables.StringVariableManager.performStringSubstitution(StringVariableManager.java:358)
	at org.eclipse.core.externaltools.internal.launchConfigurations.ExternalToolsCoreUtil.getWorkingDirectory(ExternalToolsCoreUtil.java:121)
	at org.eclipse.core.externaltools.internal.launchConfigurations.ProgramLaunchDelegate.launch(ProgramLaunchDelegate.java:71)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:885)
	at org.jboss.tools.jst.js.bower.internal.launch.shortcut.GenericNativeBowerLaunch.execute(GenericNativeBowerLaunch.java:75)
	at org.jboss.tools.jst.js.bower.internal.launch.shortcut.GenericNativeBowerLaunch.launch(GenericNativeBowerLaunch.java:50)
	at org.eclipse.debug.internal.ui.launchConfigurations.LaunchShortcutExtension.launch(LaunchShortcutExtension.java:431)
	at org.eclipse.debug.internal.ui.actions.LaunchShortcutAction.run(LaunchShortcutAction.java:74)
	at org.eclipse.debug.internal.ui.actions.LaunchShortcutAction.runWithEvent(LaunchShortcutAction.java:123)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1499)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1299)
	at org.eclipse.jface.action.ActionContributionItem$9.handleEvent(ActionContributionItem.java:1293)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1499)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1299)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4072)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3698)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
	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:139)
	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:669)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)