java.lang.InternalError: processing event: -1
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:507)
   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 javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
   at javax.xml.parsers.SAXParser.parse(SAXParser.java:198)
   at org.netbeans.lib.uihandler.LogRecords.scan(LogRecords.java:151)
   at org.netbeans.modules.uihandler.Installer.scan(Installer.java:699)
   at org.netbeans.modules.uihandler.Installer.readLogs(Installer.java:691)
   at org.netbeans.modules.uihandler.SlownessReporter.getLatestAction(SlownessReporter.java:100)
   at org.netbeans.modules.uihandler.SlownessReporter.notifySlowness(SlownessReporter.java:141)
   at org.netbeans.modules.uihandler.UIHandler.publish(UIHandler.java:117)
   at java.util.logging.Logger.log(Logger.java:458)
   at java.util.logging.Logger.doLog(Logger.java:480)
   at java.util.logging.Logger.log(Logger.java:544)
   at org.netbeans.core.TimableEventQueue$1R.run(TimableEventQueue.java:233)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)