@@ -92,17 +92,18 @@ func httpError(w http.ResponseWriter, err error) {

 	// FIXME: this is brittle and should not be necessary.

 	// If we need to differentiate between different possible error types, we should

 	// create appropriate error types with clearly defined meaning.

-	if strings.Contains(err.Error(), "no such") {

+	errStr := strings.ToLower(err.Error())

+	if strings.Contains(errStr, "no such") {

 		statusCode = http.StatusNotFound

-	} else if strings.Contains(err.Error(), "Bad parameter") {

+	} else if strings.Contains(errStr, "bad parameter") {

 		statusCode = http.StatusBadRequest

-	} else if strings.Contains(err.Error(), "Conflict") {

+	} else if strings.Contains(errStr, "conflict") {

 		statusCode = http.StatusConflict

-	} else if strings.Contains(err.Error(), "Impossible") {

+	} else if strings.Contains(errStr, "impossible") {

 		statusCode = http.StatusNotAcceptable

-	} else if strings.Contains(err.Error(), "Wrong login/password") {

+	} else if strings.Contains(errStr, "wrong login/password") {

 		statusCode = http.StatusUnauthorized

-	} else if strings.Contains(err.Error(), "hasn't been activated") {

+	} else if strings.Contains(errStr, "hasn't been activated") {

 		statusCode = http.StatusForbidden

 	}

@@ -1050,7 +1051,7 @@ func postContainersCopy(eng *engine.Engine, version version.Version, w http.Resp

 	w.Header().Set("Content-Type", "application/x-tar")

 	if err := job.Run(); err != nil {

 		log.Errorf("%s", err.Error())

-		if strings.Contains(err.Error(), "No such container") {

+		if strings.Contains(strings.ToLower(err.Error()), "no such container") {

 			w.WriteHeader(http.StatusNotFound)

 		} else if strings.Contains(err.Error(), "no such file or directory") {

 			return fmt.Errorf("Could not find the file %s in container %s", origResource, vars["name"])