Type error when creating grpc client with RoundRobin load balancing policy #221

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1. tstirrat15 commented on Apr 18, 2025

   

   tstirrat15

   on Apr 18, 2025

   Last edited by tstirrat15

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   @aldelucca1 I imagine this is related to the internals that we changed in v1.3.0. Can you show a bit more of the surrounding code? How are you setting up the client? Which field is this options object being handed to?
2. aldelucca1 commented on Apr 18, 2025

   

   aldelucca1

   on Apr 18, 2025

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   Sure, we wrap the client like this

   export class Authorizer {
     #client: v1.ZedPromiseClientInterface;
     constructor(
       host: string,
       token: string,
       secure: boolean,
       options?: ClientOptions
     ) {
       options = {
         'grpc.service_config': JSON.stringify({
           loadBalancingConfig: [{ round_robin: {} }],
         }),
         ...options,
       };
       const client = v1.NewClient(
         token,
         host,
         secure
           ? v1.ClientSecurity.SECURE
           : v1.ClientSecurity.INSECURE_LOCALHOST_ALLOWED,
         PreconnectServices.PERMISSIONS_SERVICE,
         options
       );
       this.#client = client.promises;
     }
     async check(permission: Permission, subject: Objector): Promise<boolean> {
       const res = await this.#client.checkPermission(
         v1.CheckPermissionRequest.create(requestFromCheck(permission, subject))
       );
       return (
         res.permissionship ===
         v1.CheckPermissionResponse_Permissionship.HAS_PERMISSION
       );
     }
     async checkMany(checks: PermissionPair[]): Promise<(boolean | Error)[]> {
       const reqs = checks.map(({ permission, subject }) =>
         requestFromCheck(permission, subject)
       );
       const res = await this.#client.checkBulkPermissions(
         v1.CheckBulkPermissionsRequest.create({
           items: reqs,
         })
       );
       return res.pairs.map(({ response }) => {
         if (response.oneofKind === 'error') {
           return Error(response.error.message);
         } else if (response.oneofKind === 'item') {
           return (
             response.item.permissionship ===
             v1.CheckPermissionResponse_Permissionship.HAS_PERMISSION
           );
         }
         return false;
       });
     }
   }
3. tstirrat15 commented on Apr 21, 2025

   

   tstirrat15

   on Apr 21, 2025

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   When you see this error, are you in a TLS environment?

   I added a test in #222 - does that look like your usage to you? It seems to be passing, but that also only rules out one codepath.
4. aldelucca1 commented on Apr 21, 2025

   

   aldelucca1

   on Apr 21, 2025

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   We are not using TLS when we see this error

   👀React with 👀1Reacted by Tanner Stirrat
5. coreyvanpw commented on Jul 17, 2026

   

   coreyvanpw

   on Jul 17, 2026

   Last edited by coreyvanpw

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   Is there a solution to this? I'm running into this with v1.6.1 and grpc-js@1.14.3

   Edit: never mind, this was a configuration problem masquerading as a code problem