An error occurred during parsing of 'C:\data\jprojects\czesl\apps\Czesl\Main\src\cz\cuni\utkl\czesl\views\layered\LayeredGraph.java'. Please report a bug against java/source and attach dump file 'C:\Users\jirka\.netbeans\7.0\var\log\LayeredGraph_2.dump'.
Caused: java.lang.AssertionError
   at com.sun.tools.javac.util.Assert.error(Assert.java:126)
   at com.sun.tools.javac.util.Assert.check(Assert.java:45)
   at com.sun.tools.javac.code.Types.merge(Types.java:2680)
   at com.sun.tools.javac.code.Types.intersect(Types.java:2617)
   at com.sun.tools.javac.code.Types.lub(Types.java:2807)
   at com.sun.tools.javac.code.Types.lub(Types.java:2735)
   at com.sun.tools.javac.comp.Attr.condType1(Attr.java:1268)
   at com.sun.tools.javac.comp.Attr.condType(Attr.java:1191)
   at com.sun.tools.javac.comp.Attr.visitConditional(Attr.java:1172)
   at com.sun.tools.javac.tree.JCTree$JCConditional.accept(JCTree.java:1113)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:472)
   at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:907)
   at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:730)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:503)
   at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:519)
   at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:938)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:786)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:503)
   at com.sun.tools.javac.comp.Attr.visitIf(Attr.java:1275)
   at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1145)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:503)
   at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:519)
   at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:938)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:786)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:503)
   at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:852)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:674)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:453)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:426)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:503)
   at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:3271)
   at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:3187)
   at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:3118)
   at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1243)
   at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1217)
   at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:476)
   at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:455)
   at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:578)
   at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.toPhase(CompilationInfoImpl.java:358)
   at org.netbeans.api.java.source.CompilationController.toPhase(CompilationController.java:109)
   at org.netbeans.modules.editor.java.GoToSupport$1.run(GoToSupport.java:149)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:154)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:138)
   at org.netbeans.modules.parsing.impl.TaskProcessor$1.call(TaskProcessor.java:202)
   at org.netbeans.modules.parsing.impl.TaskProcessor$1.call(TaskProcessor.java:199)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:168)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:356)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:199)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.modules.editor.java.GoToSupport.getGoToElementTooltip(GoToSupport.java:144)
   at org.netbeans.modules.java.editor.hyperlink.JavaHyperlinkProvider.getTooltipText(JavaHyperlinkProvider.java:100)
   at org.netbeans.lib.editor.hyperlink.HyperlinkOperation$TooltipResolver.getValue(HyperlinkOperation.java:497)
   at org.netbeans.lib.editor.hyperlink.HyperlinkOperation$TooltipResolver.getValue(HyperlinkOperation.java:484)
   at org.netbeans.modules.editor.NbToolTip$Request.getTooltipFromHighlightingLayers(NbToolTip.java:433)
   at org.netbeans.modules.editor.NbToolTip$Request.resolveTooltipText(NbToolTip.java:421)
   at org.netbeans.modules.editor.NbToolTip$Request.run(NbToolTip.java:357)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)