java.lang.NullPointerException at java.util.Collections$UnmodifiableCollection.(Collections.java:1026) at java.util.Collections$UnmodifiableList.(Collections.java:1302) at java.util.Collections.unmodifiableList(Collections.java:1287) at com.sun.tools.javac.code.Symbol$ModuleSymbol.getDirectives(Symbol.java:946) at org.netbeans.modules.java.api.common.classpath.ModuleClassPaths$ModuleInfoClassPathImplementation.dependsOnUnnamed(ModuleClassPaths.java:1012) at org.netbeans.modules.java.api.common.classpath.ModuleClassPaths$ModuleInfoClassPathImplementation.dependsOnUnnamed(ModuleClassPaths.java:1000) at org.netbeans.modules.java.api.common.classpath.ModuleClassPaths$ModuleInfoClassPathImplementation.lambda$getResources$39(ModuleClassPaths.java:676) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:518) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:468) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:439) at org.netbeans.modules.java.api.common.classpath.ModuleClassPaths$ModuleInfoClassPathImplementation.getResources(ModuleClassPaths.java:660) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:372) at org.netbeans.spi.java.classpath.support.MuxClassPathImplementation.getResources(MuxClassPathImplementation.java:102) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:372) at org.netbeans.spi.java.project.support.ClassPathProviderMerger$ProxyFilteringCPI.getRoots(ClassPathProviderMerger.java:276) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:380) at org.netbeans.api.java.source.ClasspathInfo.toURIs(ClasspathInfo.java:567) at org.netbeans.api.java.source.ClasspathInfo.equals(ClasspathInfo.java:245) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:470) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:167) at org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:631) at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:262) at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:510) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:468) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:439) at org.netbeans.modules.java.api.common.classpath.ModuleClassPaths$ModuleInfoClassPathImplementation.getResources(ModuleClassPaths.java:660) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:372) at org.netbeans.spi.java.classpath.support.MuxClassPathImplementation.getResources(MuxClassPathImplementation.java:102) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:372) at org.netbeans.spi.java.project.support.ClassPathProviderMerger$ProxyFilteringCPI.getRoots(ClassPathProviderMerger.java:276) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:380) at org.netbeans.api.java.source.ClasspathInfo.toURIs(ClasspathInfo.java:567) at org.netbeans.api.java.source.ClasspathInfo.equals(ClasspathInfo.java:244) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:470) at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:167) at org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:631) at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:262) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:798) 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)