Fixed in 1.7: https://issues.apache.org/jira/browse/ACCUMULO-3923
recommended upgrade to apache commons VFS 2.1.

Related to: https://issues.apache.org/jira/browse/VFS-500
Basic fix:

• protected Enumeration findResources(final String name) throws IOException {

•    final List<URL> result = new ArrayList<URL>(2);
  

•    for (FileObject baseFile : resources) {
  

•        final FileObject file = baseFile.resolveFile(name, NameScope.DESCENDENT_OR_SELF);
  

•        if (file.exists()) {
  

•            result.add(new Resource(name, baseFile, file).getURL());
       }
  

•    }