private void recordCookie(Request request, Trace trace) {
    for (String cookie : request.headers("Cookie")) {
      if (cookieSampler.isSampling()) {
        final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
        recorder.recordAttribute(AnnotationKey.HTTP_COOKIE, StringUtils.drop(cookie, 1024));
      }

      return;
    }
  }
  @Override
  public void after(Object target, Object[] args, Object result, Throwable throwable) {
    if (isDebug) {
      logger.afterInterceptor(target, args);
    }

    final Trace trace = traceContext.currentTraceObject();
    if (trace == null) {
      return;
    }

    if (!validate(target)) {
      return;
    }

    try {
      SpanEventRecorder recorder = trace.currentSpanEventRecorder();
      recorder.recordApi(methodDescriptor);
      recorder.recordException(throwable);

      Request request = ((UserRequestGetter) target)._$PINPOINT$_getUserRequest();
      if (request != null) {
        recorder.recordAttribute(AnnotationKey.HTTP_URL, request.httpUrl().toString());
        recorder.recordDestinationId(request.httpUrl().host() + ":" + request.httpUrl().port());
        recordRequest(trace, request, throwable);
      }

      // clear attachment.
      InterceptorGroupInvocation invocation = interceptorGroup.getCurrentInvocation();
      if (invocation != null && invocation.getAttachment() != null) {
        invocation.removeAttachment();
      }
    } finally {
      trace.traceBlockEnd();
    }
  }