at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.loaders.DataNode.access$800(DataNode.java:68)
        at org.openide.loaders.DataNode$4.run(DataNode.java:785)
        at org.openide.util.Mutex.doEvent(Mutex.java:1348)
        at org.openide.util.Mutex.writeAccess(Mutex.java:462)
        at org.openide.loaders.DataNode.fireChange(DataNode.java:761)
        at org.openide.loaders.DataNode$PropL.propertyChange(DataNode.java:905)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:197)
        at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
        at org.openide.loaders.DataObject.firePropertyChange(DataObject.java:1028)
        at org.openide.loaders.MultiDataObject.fireCookieChange(MultiDataObject.java:1013)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.stateChanged(MultiDataObject.java:1444)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.MultiDataObject.updateFilesInCookieSet(MultiDataObject.java:1423)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.beforeLookup(MultiDataObject.java:1450)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.loaders.MultiDataObject.getCookie(MultiDataObject.java:953)
        at org.openide.loaders.DefaultDataObject.getCookie(DefaultDataObject.java:233)
        at org.openide.loaders.DefaultDataObject.getCookie(DefaultDataObject.java:214)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:435)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.loaders.DataNode.access$800(DataNode.java:68)
        at org.openide.loaders.DataNode$4.run(DataNode.java:785)
        at org.openide.util.Mutex.doEvent(Mutex.java:1348)
        at org.openide.util.Mutex.writeAccess(Mutex.java:462)
        at org.openide.loaders.DataNode.fireChange(DataNode.java:761)
        at org.openide.loaders.DataNode$PropL.propertyChange(DataNode.java:905)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:197)
        at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
        at org.openide.loaders.DataObject.firePropertyChange(DataObject.java:1028)
        at org.openide.loaders.MultiDataObject.fireCookieChange(MultiDataObject.java:1013)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.stateChanged(MultiDataObject.java:1444)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.MultiDataObject.updateFilesInCookieSet(MultiDataObject.java:1423)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.beforeLookup(MultiDataObject.java:1450)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.loaders.MultiDataObject.getCookie(MultiDataObject.java:953)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:435)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.nodes.AbstractNode.getCookie(AbstractNode.java:783)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:439)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.loaders.DataNode.access$800(DataNode.java:68)
        at org.openide.loaders.DataNode$4.run(DataNode.java:785)
        at org.openide.util.Mutex.doEvent(Mutex.java:1348)
        at org.openide.util.Mutex.writeAccess(Mutex.java:462)
        at org.openide.loaders.DataNode.fireChange(DataNode.java:761)
        at org.openide.loaders.DataNode$PropL.propertyChange(DataNode.java:905)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:197)
        at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
        at org.openide.loaders.DataObject.firePropertyChange(DataObject.java:1028)
        at org.openide.loaders.MultiDataObject.fireCookieChange(MultiDataObject.java:1013)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.stateChanged(MultiDataObject.java:1444)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.MultiDataObject.updateFilesInCookieSet(MultiDataObject.java:1423)
        at org.openide.loaders.MultiDataObject$ChangeAndBefore.beforeLookup(MultiDataObject.java:1450)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
        at org.openide.loaders.MultiDataObject.getCookie(MultiDataObject.java:953)
        at org.openide.loaders.DataNode.getCookie(DataNode.java:435)
        at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
        at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:163)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1106)
        at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1101)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2263)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1277)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1104)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1071)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.delegate(ProxyLookup.java:1054)
        at org.openide.util.lookup.ProxyLookup$LazyCollection.isEmpty(ProxyLookup.java:1144)
        at org.openide.util.lookup.ProxyLookup$R.collectFires(ProxyLookup.java:618)
        at org.openide.util.lookup.ProxyLookup$R.resultChanged(ProxyLookup.java:570)
        at org.openide.util.lookup.ProxyLookup$WeakResult.resultChanged(ProxyLookup.java:788)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.resultChanged(FilterNode.java:2287)
        at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:542)
        at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:314)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:307)
        at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:295)
        at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:233)
        at org.openide.nodes.Node.fireCookieChange(Node.java:1271)
        at org.openide.nodes.AbstractNode$SheetAndCookieListener.stateChanged(AbstractNode.java:806)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
        at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
        at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
        at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
        at org.openide.loaders.DataNode.updateFilesInCookieSet(DataNode.java:754)
        at org.openide.loaders.DataNode.access$500(DataNode.java:68)
        at org.openide.loaders.DataNode$PropL.beforeLookup(DataNode.java:987)
        at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
        at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)