@Override
    public String getServletName() {
      try {
        return delegate.getServletName();
      } catch (IllegalStateException ill) {
        return delegate.toString();
      }
    }
Proxy a servlet instance service through this security executor.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ServletSecurity.java