java.lang.AssertionError at com.sun.tools.javac.util.Assert.error(Assert.java:126) at com.sun.tools.javac.util.Assert.check(Assert.java:45) at com.sun.tools.javac.jvm.Code$State.forceStackTop(Code.java:1764) at com.sun.tools.javac.jvm.Gen.visitConditional(Gen.java:1820) at com.sun.tools.javac.tree.JCTree$JCConditional.accept(JCTree.java:1235) at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:935) at com.sun.tools.javac.jvm.Gen.visitReturn(Gen.java:1770) at com.sun.tools.javac.tree.JCTree$JCReturn.accept(JCTree.java:1382) at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:725) at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:760) at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:746) at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:797) at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:1135) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:907) at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:725) at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:760) at com.sun.tools.javac.jvm.Gen.genMethod(Gen.java:1010) at com.sun.tools.javac.jvm.Gen.visitMethodDef(Gen.java:983) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:776) at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:725) at com.sun.tools.javac.jvm.Gen.genClass(Gen.java:2412) at com.sun.tools.javac.main.JavaCompiler.genCode(JavaCompiler.java:741) at com.sun.tools.javac.main.JavaCompiler.generate(JavaCompiler.java:1593) at com.sun.tools.javac.api.JavacTaskImpl$2.process(JavacTaskImpl.java:535) at com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:623) at com.sun.tools.javac.api.JavacTaskImpl.generate(JavacTaskImpl.java:538) at org.netbeans.modules.java.source.indexing.MultiPassCompileWorker.compile(MultiPassCompileWorker.java:308) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:248) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:161) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:282) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:159) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2601) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$1300(RepositoryUpdater.java:2066) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2491) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2489) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:544) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2489) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSource(RepositoryUpdater.java:5175) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSources(RepositoryUpdater.java:4884) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:4589) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3194) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:5617) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4800(RepositoryUpdater.java:5283) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3$1.run(RepositoryUpdater.java:5542) at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:96) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5538) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5534) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:5534) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)