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Signed-off-by: yichen88 <[email protected]>
powsybl · Jun 16, 2020 · 62f3203 · 62f3203
1 parent 2089183
commit 62f3203
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/afs-ws/afs-ws-client-utils/src/main/java/com/powsybl/afs/ws/client/utils/ClientUtils.java b/afs-ws/afs-ws-client-utils/src/main/java/com/powsybl/afs/ws/client/utils/ClientUtils.java
@@ -113,6 +113,8 @@ public static <T> T readEntityIfOk(Response response, GenericType<T> entityType)
 
     public static <T> Optional<T> readOptionalEntityIfOk(Response response, Class<T> entityType) {
         Response.Status status = Response.Status.fromStatusCode(response.getStatus());
+        // the NO_CONTENT case is for backwards compatibility.
+        // The remote AppStorageServer may still runs on an old version which response with 204 if it not found resources.
         if (status == Response.Status.NO_CONTENT || status == Response.Status.NOT_FOUND) {
             LOGGER.trace("    --> null");
             return Optional.empty();