java.lang.IllegalArgumentException: Bad level "WARN"
   at java.util.logging.Level.parse(Level.java:416)
   at org.netbeans.lib.uihandler.LogRecords.parseLevel(LogRecords.java:306)
   at org.netbeans.lib.uihandler.LogRecords$Parser.endElement(LogRecords.java:525)
   at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:609)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1789)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2965)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
   at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
   at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
   at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)
   at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:333)
   at javax.xml.parsers.SAXParser.parse(SAXParser.java:195)
   at org.netbeans.lib.uihandler.LogRecords.scan(LogRecords.java:270)
   at org.netbeans.lib.uihandler.LogRecords.scan(LogRecords.java:199)
   at org.netbeans.lib.uihandler.LogRecords.scan(LogRecords.java:173)
   at org.netbeans.modules.uihandler.Installer.scan(Installer.java:745)
   at org.netbeans.modules.uihandler.Installer.readLogs(Installer.java:712)
   at org.netbeans.modules.uihandler.Installer.getLogs(Installer.java:781)
   at org.netbeans.modules.uihandler.Installer$Submit.<init>(Installer.java:1633)
   at org.netbeans.modules.uihandler.Installer$SubmitInteractive.<init>(Installer.java:2235)
   at org.netbeans.modules.uihandler.Installer$SubmitInteractive.<init>(Installer.java:2210)
   at org.netbeans.modules.uihandler.Installer.displaySummary(Installer.java:1009)
   at org.netbeans.modules.uihandler.Installer.displaySummary(Installer.java:988)
   at org.netbeans.modules.uihandler.Installer.displaySummary(Installer.java:1019)
   at org.netbeans.modules.uihandler.Installer.run(Installer.java:408)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)