OPENDJ-3002 Fix upgrade to 4.0.0-OEM

Gaetan Boismal

13.59.2016 48deac6f808690e620a5444398c938dc8ef2a970

 opendj-server-legacy/src/main/java/org/opends/server/tools/upgrade/UpgradeTasks.java

@@ -1033,8 +1033,11 @@
  /**
   * Creates backups of the local DB backends directories by renaming adding them a ".bak" suffix.
   *  e.g "userRoot" would become "userRoot.bak"
   *
   *  @param backendObjectClass
   *          The backend object class name.
   */
  static UpgradeTask renameLocalDBBackendDirectories()
  static UpgradeTask renameLocalDBBackendDirectories(final String backendObjectClass)
  {
    return new AbstractUpgradeTask()
    {
@@ -1045,7 +1048,7 @@
      {
        try
        {
          Filter filter = Filter.equality("objectclass", "ds-cfg-local-db-backend");
          Filter filter = Filter.equality("objectclass", backendObjectClass);
          SearchRequest findLocalDBBackends = Requests.newSearchRequest(DN.rootDN(), SearchScope.WHOLE_SUBTREE, filter);
          try (final EntryReader jeBackends = searchConfigFile(findLocalDBBackends))
          {