java.lang.NullPointerException
        at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:1865)
        at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:1683)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:391)
        at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:415)
        at com.sun.tools.javac.comp.Attr.visitBinary(Attr.java:1712)
        at com.sun.tools.javac.tree.JCTree$JCBinary.accept(JCTree.java:1543)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:391)
        at com.sun.tools.javac.comp.Attr.visitParens(Attr.java:1628)
        at com.sun.tools.javac.tree.JCTree$JCParens.accept(JCTree.java:1419)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:391)
        at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:408)
        at com.sun.tools.javac.comp.Attr.visitIf(Attr.java:1093)
        at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1119)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:391)
        at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:428)
        at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:444)
        at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:798)
        at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:769)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:391)
        at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:428)
        at com.sun.tools.javac.api.JavacTaskImpl.reattrMethodBody(JavacTaskImpl.java:808)
        at org.netbeans.api.java.source.JavaSource.reparseMethod(JavaSource.java:2869)
        at org.netbeans.api.java.source.JavaSource.access$2900(JavaSource.java:195)
        at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1681)
        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$Worker.runTask(ThreadPoolExecutor.java:885)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:619)
An error occurred during parsing of 'E:\Entwicklung65\src\projekte\Hogast2\ArthauptgrplfVw\ArthauptgrplfVwCopyDialog.java'. Please report a bug against java/source and attach dump file 'C:\Dokumente und Einstellungen\stefan\.netbeans\dev\var\log\ArthauptgrplfVwCopyDialog.dump'.