java.io.UTFDataFormatException: Invalid byte 1 of 1-byte UTF-8 sequence.
   at com.sun.xml.stream.xerces.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:755)
   at com.sun.xml.stream.xerces.impl.io.UTF8Reader.read(UTF8Reader.java:624)
   at com.sun.xml.stream.XMLEntityReaderImpl.load(XMLEntityReaderImpl.java:1739)
   at com.sun.xml.stream.XMLEntityReaderImpl.scanLiteral(XMLEntityReaderImpl.java:1049)
   at com.sun.xml.stream.XMLScanner.scanAttributeValue(XMLScanner.java:810)
   at com.sun.xml.stream.XMLNSDocumentScannerImpl.scanAttribute(XMLNSDocumentScannerImpl.java:511)
   at com.sun.xml.stream.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:310)
   at com.sun.xml.stream.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2652)
   at com.sun.xml.stream.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:362)
Caused: com.sun.xml.stream.XMLStreamException2: ParseError at [row,col]:[5595,49]
Message: Invalid byte 1 of 1-byte UTF-8 sequence.
   at com.sun.xml.stream.XMLReaderImpl.next(XMLReaderImpl.java:571)
   at org.netbeans.modules.uml.ui.support.diagramsupport.TSDiagramParser.readXMLPres(TSDiagramParser.java:183)
   at org.netbeans.modules.uml.ui.support.diagramsupport.TSDiagramParser.getDiagramInfo(TSDiagramParser.java:82)
   at org.netbeans.modules.uml.ui.support.diagramsupport.ProxyDiagramImpl.getDiagramDetails(ProxyDiagramImpl.java:105)
   at org.netbeans.modules.uml.project.ui.nodes.UMLElementNode.getIcon(UMLElementNode.java:676)
   at org.openide.nodes.FilterNode.getIcon(FilterNode.java:566)
   at org.openide.explorer.view.VisualizerNode.getIcon(VisualizerNode.java:585)
   at org.openide.explorer.view.NodeRenderer.configureFrom(NodeRenderer.java:203)
   at org.openide.explorer.view.NodeRenderer.getTreeCellRendererComponent(NodeRenderer.java:141)
   at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2717)
   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:515)
   at javax.swing.plaf.basic.BasicTreeUI.getPathBounds(BasicTreeUI.java:508)
   at com.sun.java.swing.plaf.windows.WindowsTreeUI.ensureRowsAreVisible(WindowsTreeUI.java:72)
   at javax.swing.plaf.basic.BasicTreeUI.toggleExpandState(BasicTreeUI.java:2213)
   at javax.swing.plaf.basic.BasicTreeUI.handleExpandControlClick(BasicTreeUI.java:2196)
   at javax.swing.plaf.basic.BasicTreeUI.checkForClickInExpandControl(BasicTreeUI.java:2154)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(BasicTreeUI.java:3516)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressedDND(BasicTreeUI.java:3502)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressed(BasicTreeUI.java:3461)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.Component.processMouseEvent(Component.java:6213)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
   at java.awt.Component.processEvent(Component.java:5981)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4583)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4413)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4556)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4217)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4150)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2475)
   at java.awt.Component.dispatchEvent(Component.java:4413)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   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)