An error occurred during parsing of '\\vFileserver01\User$\muellermi\Eigene Dateien\NetBeansProjects\JavaApplication6\src\javaapplication6\Triple.java'. Please report a bug against java/source and attach dump file 'C:\Users\muellermi\AppData\Roaming\NetBeans\dev\var\log\Triple_1.dump'. Caused: java.lang.NullPointerException at com.sun.tools.javac.comp.Attr.attribTypeVariables(Attr.java:704) at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:1365) at com.sun.tools.javac.code.Symbol.complete(Symbol.java:577) at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1061) at com.sun.tools.javac.code.Symbol$ClassSymbol.flags(Symbol.java:988) at com.sun.tools.javac.code.Symbol$ClassSymbol.getKind(Symbol.java:1129) at com.sun.tools.javac.code.Kinds.kindName(Kinds.java:164) at com.sun.tools.javac.comp.Check.duplicateError(Check.java:329) at com.sun.tools.javac.comp.Check.checkUnique(Check.java:3503) at com.sun.tools.javac.comp.Enter.visitTypeParameter(Enter.java:691) at com.sun.tools.javac.tree.JCTree$JCTypeParameter.accept(JCTree.java:2230) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:302) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:316) at com.sun.tools.javac.comp.Enter.visitClassDef(Enter.java:588) at com.sun.tools.javadoc.JavadocEnter.visitClassDef(JavadocEnter.java:93) at org.netbeans.lib.nbjavac.services.NBJavadocEnter.visitClassDef(NBJavadocEnter.java:95) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:698) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:302) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:316) at com.sun.tools.javac.comp.Enter.visitTopLevel(Enter.java:380) at com.sun.tools.javadoc.JavadocEnter.visitTopLevel(JavadocEnter.java:85) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:520) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:302) at com.sun.tools.javac.comp.Enter.classEnter(Enter.java:316) at com.sun.tools.javac.comp.Enter.complete(Enter.java:723) at com.sun.tools.javac.main.JavaCompiler.complete(JavaCompiler.java:1066) at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:1028) at com.sun.tools.javac.api.JavacTaskImpl.enter(JavacTaskImpl.java:370) at com.sun.tools.javac.api.JavacTaskImpl.enter(JavacTaskImpl.java:310) at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:629) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:495) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:162) at org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:631) at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:262) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:798) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.openide.util.RequestProcessor$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)