public void startContainer(int index) {
    try {
      getContainer(index).start();
    } catch (Exception e) {
      throw new RuntimeException("Something very bad happened when trying to start container "
          + getContainerDescription(index), e);
    }

    logger.info("Started container " + getContainerDescription(index));
  }
@return the number of containers managed
geode-assembly/geode-assembly-test/src/main/java/org/apache/geode/session/tests/ContainerManager.java