java.lang.AssertionError: Filling jar:file:/E:/Java/jdk1.6.0.b100/jre/lib/rt.jar!/java/lang/UnsupportedOperationException.class during jar:file:/E:/Java/jdk1.6.0.b100/jre/lib/rt.jar!/sun/awt/windows/WPrinterJob.class
	at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:1820)
	at org.netbeans.modules.java.source.usages.SymbolClassReader.fillInImpl(SymbolClassReader.java:154)
	at org.netbeans.modules.java.source.usages.SymbolClassReader.fillIn(SymbolClassReader.java:133)
	at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:1762)
	at com.sun.tools.javac.code.Symbol.complete(Symbol.java:384)
	at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:760)
	at com.sun.tools.javac.jvm.ClassReader.loadClass(ClassReader.java:1937)
	at com.sun.tools.javac.comp.Resolve.loadClass(Resolve.java:842)
	at com.sun.tools.javac.comp.Resolve.findGlobalType(Resolve.java:901)
	at com.sun.tools.javac.comp.Resolve.findType(Resolve.java:961)
	at com.sun.tools.javac.comp.Resolve.findIdent(Resolve.java:986)
	at com.sun.tools.javac.comp.Resolve.resolveIdent(Resolve.java:1179)
	at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:1724)
	at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:1547)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:368)
	at com.sun.tools.javac.comp.Attr.attribType(Attr.java:398)
	at com.sun.tools.javac.comp.Attr.visitNewClass(Attr.java:1361)
	at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1257)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:368)
	at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:385)
	at com.sun.tools.javac.comp.Attr.visitThrow(Attr.java:1129)
	at com.sun.tools.javac.tree.JCTree$JCThrow.accept(JCTree.java:1158)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:368)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:405)
	at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:421)
	at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:723)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:739)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:368)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:405)
	at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:642)
	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:639)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:368)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:405)
	at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:2701)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2632)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2565)
	at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1036)
	at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1012)
	at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:425)
	at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:405)
	at org.netbeans.api.java.source.JavaSource.moveToPhase(JavaSource.java:795)
	at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1026)
	at java.util.concurrent.Executors$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)
[catch] at java.lang.Thread.run(Thread.java:619)