java.lang.IllegalArgumentException: Cannot format given Object as a Number
   at java.text.NumberFormat.format(NumberFormat.java:247)
   at java.text.Format.format(Format.java:157)
   at java.text.MessageFormat.subformat(MessageFormat.java:1253)
   at java.text.MessageFormat.format(MessageFormat.java:860)
   at java.text.Format.format(Format.java:157)
   at java.text.MessageFormat.format(MessageFormat.java:836)
   at org.openide.util.NbBundle.getMessage(NbBundle.java:736)
   at org.openide.util.NbBundle.getMessage(NbBundle.java:693)
   at org.netbeans.modules.editor.java.GoToSupport.computeTooltip(GoToSupport.java:469)
   at org.netbeans.modules.editor.java.GoToSupport.access$000(GoToSupport.java:136)
   at org.netbeans.modules.editor.java.GoToSupport$1.run(GoToSupport.java:168)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
Caused: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:211)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
Caused: java.lang.IllegalStateException: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.editor.java.GoToSupport.getGoToElementTooltip(GoToSupport.java:175)
   at org.netbeans.modules.java.editor.hyperlink.JavaHyperlinkProvider.getTooltipText(JavaHyperlinkProvider.java:100)
   at org.netbeans.lib.editor.hyperlink.HyperlinkOperation$TooltipResolver.getValue(HyperlinkOperation.java:511)
   at org.netbeans.lib.editor.hyperlink.HyperlinkOperation$TooltipResolver.getValue(HyperlinkOperation.java:496)
   at org.netbeans.modules.editor.NbToolTip$Request.getTooltipFromHighlightingLayers(NbToolTip.java:448)
   at org.netbeans.modules.editor.NbToolTip$Request.resolveTooltipText(NbToolTip.java:436)
   at org.netbeans.modules.editor.NbToolTip$Request.run(NbToolTip.java:365)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)