java.lang.NullPointerException
        at com.sun.tools.javac.comp.Flow.visitClassDef(Flow.java:604)
        at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:588)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:499)
        at com.sun.tools.javac.comp.Flow.scanDef(Flow.java:485)
        at com.sun.tools.javac.comp.Flow.visitClassDef(Flow.java:593)
        at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:588)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:1300)
        at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1131)
        at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1094)
        at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:445)
        at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:425)
        at org.netbeans.api.java.source.JavaSource.moveToPhase(JavaSource.java:1317)
        at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1659)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
An error occurred during parsing of 'C:\Projects\nio_charset_4\src\sun\nio\cs\SingleByteCharset.java'. Please report a bug against java/source and attach dump file 'C:\Dokumente und Einstellungen\ich\.netbeans\dev\var\log\SingleByteCharset.dump'.