expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				getAPIError(ErrInvalidObjectName),
				getGetObjectURL("", bucketName, "../../etc"), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 8.
		// Case with strange components but returning error as not found.
		{
			bucketName: bucketName,
			objectName: ". ./. ./etc",
			byteRange:  "",

	c.Assert(err, nil)
	// execute the HTTP request.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusBadRequest)
	verifyError(c, response, "KeyTooLongError", "Your key is too long", http.StatusBadRequest)

	// make object name as unsupported
	longObjName = fmt.Sprintf("%0256d", 1)
	buffer = bytes.NewReader([]byte("hello world"))

	if isInternal && !opts.Internal {
		return false
	}

	// Filter non-errors.
	if isHTTP && opts.OnlyErrors && trcInfo.HTTP.RespInfo.StatusCode < http.StatusBadRequest {
		return false
	}

	return true
}

func extractTraceOptions(r *http.Request) (opts madmin.ServiceTraceOpts, err error) {
	if err := opts.ParseParams(r); err != nil {
		return opts, err

				// Convert generic internal errors to bad requests.
				apiErr = APIError{
					Code:           "BadRequest",
					Description:    err.Error(),
					HTTPStatusCode: http.StatusBadRequest,
				}
			}
		}
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	w.Header()[xhttp.ETag] = []string{`"` + hex.EncodeToString(hreader.MD5Current()) + `"`}