java.lang.AssertionError: isSubtype METHOD at com.sun.tools.javac.code.Types$4.visitType(Types.java:1031) at com.sun.tools.javac.code.Types$4.visitType(Types.java:1007) at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visitMethodType(Types.java:4703) at com.sun.tools.javac.code.Type$MethodType.accept(Type.java:1459) at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:4699) at com.sun.tools.javac.code.Types.isSubtype(Types.java:1003) at com.sun.tools.javac.code.Types.isSubtype(Types.java:974) at com.sun.tools.javac.code.Types.isSubtypeUncheckedInternal(Types.java:929) at com.sun.tools.javac.code.Types.isSubtypeUnchecked(Types.java:915) at com.sun.tools.javac.comp.Resolve$MethodCheckContext.compatible(Resolve.java:980) at com.sun.tools.javac.comp.Check.checkType(Check.java:571) at com.sun.tools.javac.comp.Attr$ResultInfo.check(Attr.java:500) at com.sun.tools.javac.comp.Resolve$MethodResultInfo.check(Resolve.java:1028) at com.sun.tools.javac.comp.Resolve$4.checkArg(Resolve.java:843) at com.sun.tools.javac.comp.Resolve$AbstractMethodCheck.argumentsAcceptable(Resolve.java:748) at com.sun.tools.javac.comp.Resolve$4.argumentsAcceptable(Resolve.java:852) at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:592) at com.sun.tools.javac.comp.Resolve.selectBest(Resolve.java:1478) at com.sun.tools.javac.comp.Resolve.findMethodInScope(Resolve.java:1659) at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1728) at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1702) at com.sun.tools.javac.comp.Resolve$9.doLookup(Resolve.java:2409) at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.lookup(Resolve.java:3019) at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3269) at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2406) at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2400) at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3735) at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3613) at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2075) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1923) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1604) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribArgs(Attr.java:740) at com.sun.tools.javac.comp.Attr.visitNewClass(Attr.java:2113) at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1659) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:676) at com.sun.tools.javac.comp.Attr.visitThrow(Attr.java:1797) at com.sun.tools.javac.tree.JCTree$JCThrow.accept(JCTree.java:1541) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:731) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1210) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:990) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.visitIf(Attr.java:1682) at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1391) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:731) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1210) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:990) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribStatToTree(Attr.java:412) at com.sun.tools.javac.api.JavacTrees.attribStatToTree(JavacTrees.java:979) at com.sun.tools.javac.api.JavacTrees.getAttrContext(JavacTrees.java:938) at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:797) at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:157) at org.netbeans.modules.java.hints.StaticImport.run(StaticImport.java:154) at sun.reflect.GeneratedMethodAccessor111.invoke(GeneratedMethodAccessor111.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:340) 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:91) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:509) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1620) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:510) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1620) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) 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:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114) at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:526) at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1681) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.visitThrow(TreeScanner.java:482) at com.sun.tools.javac.tree.JCTree$JCThrow.accept(JCTree.java:1549) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) 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:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:249) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1002) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91) at com.sun.source.util.TreeScanner.visitIf(TreeScanner.java:420) at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1403) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) 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:91) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:249) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1002) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:207) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:874) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) 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:91) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:782) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:705) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:633) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:563) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:53) 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:206) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch$3.run(BatchSearch.java:294) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch$3.run(BatchSearch.java:264) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:486) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609) at org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:189) at org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:161) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:436) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:407) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch.getLocalVerifiedSpans(BatchSearch.java:264) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch.access$600(BatchSearch.java:99) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch$LocalIndexEnquirer.validateResource(BatchSearch.java:574) at org.netbeans.modules.java.hints.spiimpl.batch.BatchSearch.getVerifiedSpans(BatchSearch.java:207) at org.netbeans.modules.java.hints.spiimpl.batch.BatchUtilities.applyFixes(BatchUtilities.java:192) at org.netbeans.modules.java.hints.spiimpl.batch.BatchUtilities.applyFixes(BatchUtilities.java:135) at org.netbeans.modules.java.hints.spiimpl.refactoring.AbstractApplyHintsRefactoringPlugin.performApplyPattern(AbstractApplyHintsRefactoringPlugin.java:141) at org.netbeans.modules.java.hints.spiimpl.refactoring.FindDuplicatesRefactoringPlugin.performApplyPattern(FindDuplicatesRefactoringPlugin.java:124) at org.netbeans.modules.java.hints.spiimpl.refactoring.FindDuplicatesRefactoringPlugin.prepare(FindDuplicatesRefactoringPlugin.java:89) at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:442) at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:426) at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:237) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1062) at org.openide.util.RequestProcessor$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)