code: public void requestFailed()
    {
      if (_tc.isEntryEnabled()) SibTr.entry(this, _tc, "requestFailed");
  
      //lohith liberty change
   //   _invoker.requestFailed();
      
      if (_tc.isEntryEnabled()) SibTr.exit(this, _tc, "requestFailed");
    }
docs: <p>If, after calling insertContext, an error occurs the requestFailed
  method should be called. This gives the system context providers an
  opportunity to react to the failure.
  </p>
  
  @throws UnsatisfiedLinkError if the underlying list of handlers cannot be located