docs: public String getHostName() {
          String hostName = mHostName;
          try {
              // ZAP: fixed cases, where host name is null
              hostName = ((mUri.getHost() != null) ? mUri.getHost() : mHostName);
              
          } catch (URIException e) {
              if (log.isDebugEnabled()) {
                  log.warn(e);
              }
          }
          
          return hostName;
      }