add defensive check to fix bug for when session is expired #4844

IdentityServer · Sep 8, 2020 · a112a16 · a112a16
1 parent 3ec796d
commit a112a16
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/IdentityServer4/src/Services/Default/DefaultUserSession.cs b/src/IdentityServer4/src/Services/Default/DefaultUserSession.cs
@@ -287,7 +287,7 @@ public virtual async Task<IEnumerable<string>> GetClientListAsync()
 
             try
             {
-                return Properties.GetClientList();
+                return Properties?.GetClientList() ?? Enumerable.Empty<string>();
             }
             catch (Exception ex)
             {