private RootContainer initializeRootContainer(EnvironmentConfig envConfig)
     throws ConfigException, InitializationException {
   // Open the database environment
   try {
     RootContainer rc = new RootContainer(this, cfg);
     rc.open(envConfig);
     return rc;
   } catch (DatabaseException e) {
     if (debugEnabled()) {
       TRACER.debugCaught(DebugLogLevel.ERROR, e);
     }
     Message message = ERR_JEB_OPEN_ENV_FAIL.get(e.getMessage());
     throw new InitializationException(message, e);
   }
 }