java.lang.AssertionError at org.netbeans.modules.project.libraries.LibraryDeclarationHandlerImpl.end_property(LibraryDeclarationHandlerImpl.java:251) at org.netbeans.modules.project.libraries.LibraryDeclarationParser.endElement(LibraryDeclarationParser.java:192) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2939) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) at org.netbeans.modules.project.libraries.LibraryDeclarationParser.parse(LibraryDeclarationParser.java:300) at org.netbeans.modules.project.libraries.LibrariesStorage.readLibrary(LibrariesStorage.java:254) at org.netbeans.modules.project.libraries.LibrariesStorage.loadFromStorage(LibrariesStorage.java:159) at org.netbeans.modules.project.libraries.LibrariesStorage.initStorage(LibrariesStorage.java:228) at org.netbeans.modules.project.libraries.LibrariesStorage.getLibraries(LibrariesStorage.java:300) at org.netbeans.api.project.libraries.LibraryManager.getLibraries(LibraryManager.java:226) at org.netbeans.modules.java.j2seplatform.libraries.J2SELibraryClassPathProvider.findClassPath(J2SELibraryClassPathProvider.java:91) at org.netbeans.api.java.classpath.ClassPath.getClassPath(ClassPath.java:628) at org.netbeans.modules.parsing.impl.indexing.errors.Utilities.getSourceClassPathFor(Utilities.java:66) at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator$1.run(ErrorAnnotator.java:315) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2048) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1495) at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.enqueue(ErrorAnnotator.java:257) at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.isInError(ErrorAnnotator.java:281) at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.annotateIcon(ErrorAnnotator.java:124) at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem$StatusImpl.annotateIcon(FileBasedFileSystem.java:349) at org.openide.loaders.DataFolder$FolderNode.getIcon(DataFolder.java:1223) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:557) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:557) at org.netbeans.modules.project.ui.PhysicalView$ProjectIconNode.getIcon(PhysicalView.java:393) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:557) at org.netbeans.modules.project.ui.ProjectsRootNode$BadgingNode.getIcon(ProjectsRootNode.java:796) at org.netbeans.modules.project.ui.ProjectsRootNode$BadgingNode.getIcon(ProjectsRootNode.java:790) at org.openide.explorer.view.VisualizerNode.getIcon(VisualizerNode.java:558) at org.openide.explorer.view.NodeRenderer.configureFrom(NodeRenderer.java:215) at org.openide.explorer.view.NodeRenderer.getTreeCellRendererComponent(NodeRenderer.java:147) at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2712) at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(AbstractLayoutCache.java:475) at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:535) at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:181) at javax.swing.plaf.basic.BasicTreeUI.getPathBounds(BasicTreeUI.java:508) at javax.swing.plaf.basic.BasicTreeUI.getPathBounds(BasicTreeUI.java:501) at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesChanged(BasicTreeUI.java:3760) at javax.swing.tree.DefaultTreeModel.fireTreeNodesChanged(DefaultTreeModel.java:468) at javax.swing.tree.DefaultTreeModel.nodesChanged(DefaultTreeModel.java:330) at javax.swing.tree.DefaultTreeModel.nodeChanged(DefaultTreeModel.java:261) at org.openide.explorer.view.NodeTreeModel$Listener.update(NodeTreeModel.java:286) at org.openide.explorer.view.VisualizerNode.run(VisualizerNode.java:460) at org.openide.util.Mutex.readAccess(Mutex.java:367) at org.openide.util.Mutex$1R.run(Mutex.java:1309) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1921) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1328) at org.openide.util.Mutex.readAccess(Mutex.java:356) at org.openide.explorer.view.VisualizerNode$QP.processQueue(VisualizerNode.java:685) at org.openide.explorer.view.VisualizerNode$QP.access$000(VisualizerNode.java:624) at org.openide.explorer.view.VisualizerNode$QP$ProcessQueue.run(VisualizerNode.java:706) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:666) at java.awt.EventQueue.access$400(EventQueue.java:81) at java.awt.EventQueue$2.run(EventQueue.java:627) at java.awt.EventQueue$2.run(EventQueue.java:625) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:636) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) 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) [catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)