fix: Use JobStateUpdateClient instead of deactivating it

Author: Robin-Van-de-Merghel

src/DIRAC/Core/Tornado/Client/ClientSelector.py

@@ -73,7 +73,9 @@ def ClientSelector(disetClient, *args, **kwargs):  # We use same interface as RP
             else:
                 if isServiceLegacyAdapted:
                     # Only warn to deactivate it without making the code crash.
-                    sLog.warn("FutureClient is provided but not activated, do you need to update your client?")
+                    sLog.warn(
+                        f"FutureClient for {serviceName} is provided but not activated, do you need to update your client?"
+                    )
 
             completeUrl = getServiceURL(serviceName)
             sLog.debug(f"URL resolved: {completeUrl}")

src/DIRAC/WorkloadManagementSystem/Client/JobStateUpdateClient.py

@@ -10,7 +10,7 @@
 class JobStateUpdateClient(Client):
     """JobStateUpdateClient sets url for the JobStateUpdateHandler."""
 
-    diracxClient = None
+    diracxClient = futureJobStateUpdateClient
 
     def __init__(self, url=None, **kwargs):
         """