java.lang.NullPointerException at com.sun.source.util.TreePath.(TreePath.java:97) at org.netbeans.modules.java.editor.semantic.Utilities.findIdentifierSpanImpl(Utilities.java:306) at org.netbeans.modules.java.editor.semantic.Utilities.access$000(Utilities.java:94) at org.netbeans.modules.java.editor.semantic.Utilities$2.run(Utilities.java:425) at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1391) at org.netbeans.modules.java.editor.semantic.Utilities.findIdentifierSpan(Utilities.java:429) at org.netbeans.modules.java.editor.semantic.Utilities.createHighlightImpl(Utilities.java:541) at org.netbeans.modules.java.editor.semantic.Utilities.access$300(Utilities.java:94) at org.netbeans.modules.java.editor.semantic.Utilities$5.run(Utilities.java:580) at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1391) at org.netbeans.modules.java.editor.semantic.Utilities.getToken(Utilities.java:578) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.handlePotentialVariable(FindLocalUsagesQuery.java:105) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitVariable(FindLocalUsagesQuery.java:148) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitVariable(FindLocalUsagesQuery.java:75) at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:864) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitLambdaExpression(TreeScanner.java:296) at com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1628) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:279) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitNewClass(FindLocalUsagesQuery.java:193) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitNewClass(FindLocalUsagesQuery.java:75) at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1532) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.visitLambdaExpression(TreeScanner.java:297) at com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1628) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:271) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1477) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:271) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1477) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:243) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1302) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:162) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:918) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.visitLambdaExpression(TreeScanner.java:297) at com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1628) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:271) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1477) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:271) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1477) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:243) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1302) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:162) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:918) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:144) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitMethod(FindLocalUsagesQuery.java:135) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitMethod(FindLocalUsagesQuery.java:75) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:800) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:133) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitClass(FindLocalUsagesQuery.java:161) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.visitClass(FindLocalUsagesQuery.java:75) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:719) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:120) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:551) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.editor.semantic.FindLocalUsagesQuery.findUsages(FindLocalUsagesQuery.java:97) at org.netbeans.modules.java.editor.semantic.MarkOccurrencesHighlighter.processImpl(MarkOccurrencesHighlighter.java:463) at org.netbeans.modules.java.editor.semantic.MarkOccurrencesHighlighter.run(MarkOccurrencesHighlighter.java:173) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744) 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:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)