Messaging Session failed to resolve endpoint: TypeError: partitions is not iterable

[laheadle]

I am seeing an issue with establishing a messaging session. The error is:

[ERROR] SDK - Messaging Session failed to resolve endpoint: TypeError: partitions is not iterable

Here is the code:

import * as chmsg from '@aws-sdk/client-chime-sdk-messaging';
import * as sdk from 'amazon-chime-sdk-js';
import * as creds from '@aws-sdk/credential-providers';

const userArn = "arn:aws:chime:us-east-1:050561098711:app-instance/35a13aa8-e67a-4bdb-8695-7570adbf8c59/user/1e6a1a2c-8a4e-47c0-8391-5eaac548db61";
const client = new chmsg.ChimeSDKMessagingClient(({ "region": "us-east-1", "credentials": creds.fromHttp(({ "credentialsFullUri": "http://localhost:8080/party/credentials" })) }));
const configuration = new sdk.MessagingSessionConfiguration(userArn, null, undefined, client);
const logger = new sdk.ConsoleLogger("SDK", "ERROR");
const session = new sdk.DefaultMessagingSession(configuration, logger);
session.start();

Is this behavior expected?

[laheadle]

the issue was a problem with my webpack config. It was transforming json into text. the partitions are stored as json.

sorry.