An error occurred during parsing of 'com/sun/tools/javac/main/JavaCompiler.java in /home/lahvac/tools/netbeans/trunk/nb-javac-sources.zip'. Please report a bug against java/source and attach dump file '/home/lahvac/.netbeans/dev/var/log/JavaCompiler_2.dump'. Caused: java.lang.ClassCastException: class com.sun.tools.javac.api.JavacTool at java.lang.Class.asSubclass(Class.java:3404) at javax.tools.ToolProvider.getSystemTool(ToolProvider.java:132) at javax.tools.ToolProvider.getSystemJavaCompiler(ToolProvider.java:63) at org.netbeans.modules.java.j2seplatform.queries.DefaultSourceLevelQueryImpl.parsePackage(DefaultSourceLevelQueryImpl.java:219) at org.netbeans.modules.java.j2seplatform.queries.DefaultSourceLevelQueryImpl.lambda$isModular$1(DefaultSourceLevelQueryImpl.java:173) at java.util.Optional.orElseGet(Optional.java:267) at org.netbeans.modules.java.j2seplatform.queries.DefaultSourceLevelQueryImpl.isModular(DefaultSourceLevelQueryImpl.java:172) at org.netbeans.modules.java.j2seplatform.queries.DefaultSourceLevelQueryImpl.getSourceLevel(DefaultSourceLevelQueryImpl.java:115) at org.netbeans.api.java.queries.SourceLevelQuery.getSourceLevel(SourceLevelQuery.java:130) at org.netbeans.api.java.queries.SourceLevelQuery$Result.getSourceLevel(SourceLevelQuery.java:334) at org.netbeans.modules.java.source.parsing.JavacParser.createJavacTask(JavacParser.java:767) at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.getJavacTask(CompilationInfoImpl.java:397) at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:608) at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.toPhase(CompilationInfoImpl.java:384) at org.netbeans.api.java.source.CompilationController.toPhase(CompilationController.java:109) at org.netbeans.modules.debugger.jpda.projects.PreferredCCParser.toPhase(PreferredCCParser.java:725) at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport$7.run(EditorContextSupport.java:701) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201) 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.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90) Caused: org.netbeans.modules.parsing.spi.ParseException at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:209) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104) at org.netbeans.modules.debugger.jpda.projects.EditorContextSupport.getClassName(EditorContextSupport.java:694) at org.netbeans.modules.debugger.jpda.projectsui.EditorContextImpl.getClassName(EditorContextImpl.java:784) at org.netbeans.modules.debugger.jpda.breakpoints.LineBreakpointImpl.setRequests(LineBreakpointImpl.java:237) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.update(BreakpointImpl.java:178) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.set(BreakpointImpl.java:156) at org.netbeans.modules.debugger.jpda.breakpoints.LineBreakpointImpl.(LineBreakpointImpl.java:151) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointsEngineListener.createBreakpointImpl(BreakpointsEngineListener.java:343) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointsEngineListener.createBreakpointImpls(BreakpointsEngineListener.java:285) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointsEngineListener.propertyChange(BreakpointsEngineListener.java:144) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:328) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.firePropertyChange(JPDADebuggerImpl.java:2240) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.setState(JPDADebuggerImpl.java:2224) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.setRunning(JPDADebuggerImpl.java:1325) at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.doStartDebugger(StartActionProvider.java:202) at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.access$200(StartActionProvider.java:80) at org.netbeans.modules.debugger.jpda.actions.StartActionProvider$1.run(StartActionProvider.java:165) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)