java.lang.IllegalArgumentException: Already listening to D:\Projetos\Depot\app\controllers
        at org.netbeans.modules.ruby.modules.project.rake.FileChangeSupport.addListener(FileChangeSupport.java:92)
        at org.netbeans.modules.ruby.spi.project.support.rake.SourcesHelper$SourcesImpl.listen(SourcesHelper.java:475)
        at org.netbeans.modules.ruby.spi.project.support.rake.SourcesHelper$SourcesImpl.getSourceGroups(SourcesHelper.java:409)
        at org.netbeans.modules.ruby.railsprojects.RailsSources$1.run(RailsSources.java:110)
        at org.netbeans.modules.ruby.railsprojects.RailsSources$1.run(RailsSources.java:101)
        at org.openide.util.Mutex.readAccess(Mutex.java:285)
        at org.netbeans.modules.ruby.railsprojects.RailsSources.getSourceGroups(RailsSources.java:100)
        at org.netbeans.spi.project.support.LookupProviderSupport$SourcesImpl.getSourceGroups(LookupProviderSupport.java:260)
        at org.netbeans.modules.ruby.railsprojects.ui.RailsLogicalViewProvider$RailsLogicalViewRootNode.setProjectFiles(RailsLogicalViewProvider.java:272)
        at org.netbeans.modules.ruby.railsprojects.ui.RailsLogicalViewProvider$RailsLogicalViewRootNode.<init>(RailsLogicalViewProvider.java:235)
        at org.netbeans.modules.ruby.railsprojects.ui.RailsLogicalViewProvider.createLogicalView(RailsLogicalViewProvider.java:135)
        at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.logicalViewForProject(ProjectsRootNode.java:300)
        at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.createNodes(ProjectsRootNode.java:261)
        at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.createNodes(ProjectsRootNode.java:219)
        at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1596)
        at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:168)
        at org.openide.nodes.EntrySupport$Default$Info.nodes(EntrySupport.java:925)
        at org.openide.nodes.EntrySupport$Default.updateAdd(EntrySupport.java:505)
        at org.openide.nodes.EntrySupport$Default.setEntries(EntrySupport.java:345)
        at org.openide.nodes.Children$Keys$2.run(Children.java:1490)
        at org.openide.util.Mutex$1Exec.run(Mutex.java:1239)
        at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1796)
        at org.openide.util.Mutex.postRequest(Mutex.java:1245)
        at org.openide.util.Mutex.postRequest(Mutex.java:1209)
        at org.openide.util.Mutex.postWriteRequest(Mutex.java:582)
        at org.openide.nodes.Children$Keys.applyKeys(Children.java:1499)
        at org.openide.nodes.Children$Keys.setKeys(Children.java:1443)
        at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.propertyChange(ProjectsRootNode.java:318)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at org.netbeans.modules.project.ui.OpenProjectList$4.run(OpenProjectList.java:647)
        at org.netbeans.modules.project.ui.OpenProjectList$4.run(OpenProjectList.java:646)
        at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1370)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
        at java.awt.Dialog$1.run(Dialog.java:1051)
        at java.awt.Dialog$3.run(Dialog.java:1103)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.awt.Dialog.show(Dialog.java:1101)
        at java.awt.Component.show(Component.java:1516)
        at java.awt.Component.setVisible(Component.java:1468)
        at java.awt.Window.setVisible(Window.java:841)
        at java.awt.Dialog.setVisible(Dialog.java:991)
        at org.netbeans.modules.project.ui.OpenProjectList.open(OpenProjectList.java:526)
        at org.netbeans.modules.project.ui.actions.NewProject$2.run(NewProject.java:214)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)