Merge pull request #2576 from murgatroid99/grpc-js_picker_propagation…

…_fix grpc-js: Delegate to child picker in ResolvingLoadBalancer#updateResolution
grpc · Sep 21, 2023 · 47c54ec · 47c54ec
2 parents ddb8de2 + 5be024f
commit 47c54ec
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/packages/grpc-js/src/resolving-load-balancer.ts b/packages/grpc-js/src/resolving-load-balancer.ts
@@ -264,7 +264,11 @@ export class ResolvingLoadBalancer implements LoadBalancer {
   private updateResolution() {
     this.innerResolver.updateResolution();
     if (this.currentState === ConnectivityState.IDLE) {
-      this.updateState(ConnectivityState.CONNECTING, new QueuePicker(this));
+      /* this.latestChildPicker is initialized as new QueuePicker(this), which
+       * is an appropriate value here if the child LB policy is unset.
+       * Otherwise, we want to delegate to the child here, in case that
+       * triggers something. */
+      this.updateState(ConnectivityState.CONNECTING, this.latestChildPicker);
     }
     this.backoffTimeout.runOnce();
   }