java.lang.NullPointerException at com.sun.tools.javac.comp.Lower.visitMethodDefInternal(Lower.java:2360) at com.sun.tools.javac.comp.Lower.visitMethodDef(Lower.java:2285) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:656) at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58) at com.sun.tools.javac.comp.Lower.translate(Lower.java:1916) at com.sun.tools.javac.comp.Lower.visitClassDef(Lower.java:2028) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:587) at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58) at com.sun.tools.javac.comp.Lower.translate(Lower.java:1916) at com.sun.tools.javac.comp.Lower.visitClassDef(Lower.java:2028) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:587) at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58) at com.sun.tools.javac.comp.Lower.translate(Lower.java:1916) at com.sun.tools.javac.comp.Lower.visitClassDef(Lower.java:2028) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:587) at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58) at com.sun.tools.javac.comp.Lower.translate(Lower.java:1916) at com.sun.tools.javac.comp.Lower.translate(Lower.java:1936) at com.sun.tools.javac.comp.Lower.translateTopLevelClass(Lower.java:3188) at com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1309) at com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1210) at com.sun.tools.javac.api.JavacTaskImpl$3.process(JavacTaskImpl.java:521) at com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:609) at com.sun.tools.javac.api.JavacTaskImpl.generate(JavacTaskImpl.java:524) at org.netbeans.modules.java.source.indexing.MultiPassCompileWorker.compile(MultiPassCompileWorker.java:211) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer$1$1.run(JavaCustomIndexer.java:160) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer$1$1.run(JavaCustomIndexer.java:140) at org.netbeans.modules.java.source.tasklist.TaskCache.refreshTransaction(TaskCache.java:473) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer$1.run(JavaCustomIndexer.java:140) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer$1.run(JavaCustomIndexer.java:138) at org.netbeans.modules.java.source.usages.ClassIndexManager.writeLock(ClassIndexManager.java:100) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:138) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:165) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:1201) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.scanSource(RepositoryUpdater.java:2129) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.scanSources(RepositoryUpdater.java:2046) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:1826) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:1398) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:2476) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:2423) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:581) 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$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619)