java.lang.NullPointerException
   at org.netbeans.modules.cnd.spi.utils.CndFileSystemProvider$DefaultProvider.urlToFileSystemImpl(CndFileSystemProvider.java:471)
   at org.netbeans.modules.cnd.spi.utils.CndFileSystemProvider.urlToFileSystem(CndFileSystemProvider.java:204)
   at org.netbeans.modules.cnd.apt.impl.support.clank.ClankFileObjectBasedFileSystem.getFileObject(ClankFileObjectBasedFileSystem.java:211)
   at org.netbeans.modules.cnd.apt.impl.support.clank.ClankFileObjectBasedFileSystem.status(ClankFileObjectBasedFileSystem.java:130)
   at org.clang.tools.services.impl.DelegatingFileSystem.status(DelegatingFileSystem.java:72)
   at org.clang.basic.FileSystemStatCache.get(FileSystemStatCache.java:137)
   at org.clang.tools.services.impl.SharedNoStatMissingCache.getStat(SharedNoStatMissingCache.java:59)
   at org.clang.basic.FileSystemStatCache.get(FileSystemStatCache.java:133)
   at org.clang.basic.FileManager.getStatValue(FileManager.java:130)
   at org.clang.basic.FileManager.getDirectory(FileManager.java:378)
   at org.clang.basic.impl.FileManagerStatics.getDirectoryFromFile(FileManagerStatics.java:51)
   at org.clang.basic.FileManager.getFile(FileManager.java:517)
   at org.clang.basic.FileManager.getFile(FileManager.java:482)
   at org.clang.tools.services.impl.PreprocessorInitializer.InitSourceManager(PreprocessorInitializer.java:186)
   at org.clang.tools.services.impl.PreprocessorInitializer.createPreprocessor(PreprocessorInitializer.java:225)
   at org.clang.tools.services.impl.PreprocessorSupport.dumpPreprocessedEntry(PreprocessorSupport.java:284)
   at org.clang.tools.services.impl.PreprocessorSupport.preprocessEntries(PreprocessorSupport.java:232)
   at org.clang.tools.services.impl.PreprocessorSupport.preprocess(PreprocessorSupport.java:175)
   at org.clang.tools.services.ClankPreprocessorServices.preprocess(ClankPreprocessorServices.java:67)
   at org.netbeans.modules.cnd.apt.impl.support.clank.ClankDriverImpl.preprocessImpl(ClankDriverImpl.java:158)
   at org.netbeans.modules.cnd.apt.support.ClankDriver.preprocess(ClankDriver.java:120)
   at org.netbeans.modules.cnd.modelimpl.parser.clank.ClankTokenStreamProducer.getTokenStreamOfIncludedFile(ClankTokenStreamProducer.java:156)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.getTokenStreamOfIncludedFile(FileImpl.java:1361)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.fixFakeIncludeRegistrations(FileImpl.java:2037)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.fixFakeRegistrations(FileImpl.java:1979)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.onProjectParseFinished(FileImpl.java:894)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FakeRegistrationWorker$FixRegistrationRunnable.run(FakeRegistrationWorker.java:146)
   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)