// Check if bucket exists.
	rcfg, err := globalBucketObjectLockSys.Get(bucket)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	bucketLifecycle, err := lifecycle.ParseLifecycleConfigWithID(io.LimitReader(r.Body, r.ContentLength))
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Validate the received bucket policy document