Program: 48235
Project: 48235
Buggy source:
@Override public Collection<?> create(final String name,final @Nullable Stream<SubtreeParser> parsers) throws DocumentException {
  if (parsers != null) {
    final DatabaseConfiguration dbConf=new DatabaseConfiguration(new File(mLocation,name));
    try {
      Databases.truncateDatabase(dbConf);
      Databases.createDatabase(dbConf);
      final Database database=Databases.openDatabase(dbConf.getFile());
      mDatabases.add(database);
      final ExecutorService pool=Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
      try {
        SubtreeParser parser=null;
        int i=0;
        while ((parser=parsers.next()) != null) {
          final SubtreeParser nextParser=parser;
          final String resource=new StringBuilder("String_Node_Str").append(String.valueOf(i)).toString();
          pool.submit(new Callable<Void>(){
            @Override public Void call() throws DocumentException, SirixException {
              database.createResource(ResourceConfiguration.newBuilder(resource,dbConf).storageType(mStorageType).useDeweyIDs().build());
              final Session session=database.getSession(new SessionConfiguration.Builder(resource).build());
              final NodeWriteTrx wtx=session.beginNodeWriteTrx();
              final DBCollection collection=new DBCollection(name,database,mUpdating);
              nextParser.parse(new SubtreeBuilder(collection,wtx,Insert.ASFIRSTCHILD,Collections.<SubtreeListener<? super AbstractTemporalNode<DBNode>>>emptyList()));
              wtx.commit();
              wtx.close();
              return null;
            }
          }
);
          i++;
        }
      }
  finally {
        parsers.close();
      }
      pool.shutdown();
      pool.awaitTermination(5,TimeUnit.MINUTES);
      return new DBCollection(name,database,mUpdating);
    }
 catch (    final SirixException|InterruptedException e) {
      throw new DocumentException(e.getCause());
    }
  }
  return null;
}

Fixed version (ground truth):
@Override public Collection<?> create(final String name,final @Nullable Stream<SubtreeParser> parsers) throws DocumentException {
  if (parsers != null) {
    final DatabaseConfiguration dbConf=new DatabaseConfiguration(new File(mLocation,name));
    try {
      Databases.truncateDatabase(dbConf);
      Databases.createDatabase(dbConf);
      final Database database=Databases.openDatabase(dbConf.getFile());
      mDatabases.add(database);
      final ExecutorService pool=Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
      int i=database.listResources().length + 1;
      try {
        SubtreeParser parser=null;
        while ((parser=parsers.next()) != null) {
          final SubtreeParser nextParser=parser;
          final String resource=new StringBuilder("String_Node_Str").append(String.valueOf(i)).toString();
          pool.submit(new Callable<Void>(){
            @Override public Void call() throws DocumentException, SirixException {
              database.createResource(ResourceConfiguration.newBuilder(resource,dbConf).storageType(mStorageType).useDeweyIDs().build());
              final Session session=database.getSession(new SessionConfiguration.Builder(resource).build());
              final NodeWriteTrx wtx=session.beginNodeWriteTrx();
              final DBCollection collection=new DBCollection(name,database,mUpdating);
              nextParser.parse(new SubtreeBuilder(collection,wtx,Insert.ASFIRSTCHILD,Collections.<SubtreeListener<? super AbstractTemporalNode<DBNode>>>emptyList()));
              wtx.commit();
              wtx.close();
              return null;
            }
          }
);
          i++;
        }
      }
  finally {
        parsers.close();
      }
      pool.shutdown();
      pool.awaitTermination(5,TimeUnit.MINUTES);
      return new DBCollection(name,database,mUpdating);
    }
 catch (    final SirixException|InterruptedException e) {
      throw new DocumentException(e.getCause());
    }
  }
  return null;
}