@Override
      public void requestDestroyed(ServletRequestEvent servletRequestEvent) {
        Request baseRequest = Request.getBaseRequest(servletRequestEvent.getServletRequest());
        HttpChannel channel = baseRequest.getHttpChannel();
        if (LOG.isDebugEnabled()) {
          LOG.debug("request: " + baseRequest + " destroyed " + ", http channel: " + channel);
        }
        HMSHandler.cleanupHandlerContext();
      }
Start the metastore store.
@param port
@param bridge
@param conf
@throws Throwable
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java