java.lang.AssertionError: isSubtype METHOD at com.sun.tools.javac.code.Types$4.visitType(Types.java:971) at com.sun.tools.javac.code.Types$4.visitType(Types.java:947) at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visitMethodType(Types.java:4798) at com.sun.tools.javac.code.Type$MethodType.accept(Type.java:1452) at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:4794) at com.sun.tools.javac.code.Types.isSubtype(Types.java:943) at com.sun.tools.javac.code.Types.isSubtypeNoCapture(Types.java:917) at com.sun.tools.javac.code.Types$4.visitClassType(Types.java:1034) at com.sun.tools.javac.code.Types$4.visitClassType(Types.java:947) at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:992) at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:4794) at com.sun.tools.javac.code.Types.isSubtype(Types.java:943) at com.sun.tools.javac.code.Types.isSubtypeUncheckedInternal(Types.java:869) at com.sun.tools.javac.code.Types.isSubtypeUnchecked(Types.java:855) at com.sun.tools.javac.code.Types.isConvertible(Types.java:477) at com.sun.tools.javac.code.Types.isAssignable(Types.java:2243) at com.sun.tools.javac.comp.Check$1.compatible(Check.java:546) at com.sun.tools.javac.comp.Check.checkType(Check.java:587) at com.sun.tools.javac.comp.Attr$ResultInfo.check(Attr.java:514) at com.sun.tools.javac.comp.Attr.check(Attr.java:249) at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1975) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1634) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:690) at com.sun.tools.javac.comp.Attr.visitAssign(Attr.java:3313) at com.sun.tools.javac.tree.JCTree$JCAssign.accept(JCTree.java:1874) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:697) at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1716) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1452) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:745) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1232) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1020) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.visitIf(Attr.java:1705) at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1421) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:745) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1232) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1020) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.visitSynchronized(Attr.java:1424) at com.sun.tools.javac.tree.JCTree$JCSynchronized.accept(JCTree.java:1277) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:745) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1232) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1020) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1118) at org.netbeans.lib.nbjavac.services.NBAttr.visitMethodDef(NBAttr.java:76) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:872) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:510) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:651) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:721) at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4802) at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4686) at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4614) at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4559) at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1409) at com.sun.tools.javac.api.JavacTaskImpl$1.process(JavacTaskImpl.java:498) at com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:639) at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:501) at org.netbeans.modules.java.source.TreeLoader.loadTreeFor(TreeLoader.java:206) at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1696) at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1663) at org.netbeans.modules.java.hints.SuspiciousNamesCombination.handleMethodInvocation(SuspiciousNamesCombination.java:167) at org.netbeans.modules.java.hints.SuspiciousNamesCombination.run(SuspiciousNamesCombination.java:98) at org.netbeans.modules.java.hints.legacy.spi.RulesManager$WorkerImpl.createErrors(RulesManager.java:422) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:821) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:113) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:680) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:699) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90) at com.sun.source.util.TreeScanner.visitVariable(TreeScanner.java:223) at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:974) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:105) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitTry(TreeScanner.java:373) at com.sun.tools.javac.tree.JCTree$JCTry.accept(JCTree.java:1328) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:105) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:248) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1032) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:206) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:904) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:105) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:187) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:812) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:105) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:144) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:593) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:56) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:724) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:268) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:251) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:216) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:189) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:151) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:137) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:88) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:809) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.TaskProcessor$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)