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I have just updated from Amplify-cli 4.0.0 to 4.7.0 and now I am getting these errors when attempting to listen for my subscriptions.

{provider: AWSAppSyncRealTimeProvider, error: {…}}
provider: AWSAppSyncRealTimeProvider {_config: {…}, socketStatus: 0, keepAliveTimeout: 300000, subscriptionObserverMap: Map(0), promiseArray: Array(0), …}
error:
errors: Array(1)
0:
message: "Connection failed: Buffer is not defined"
__proto__: Object
length: 1
__proto__: Array(0)
__proto__: Object
__proto__: Object

I am using Ionic 4, and just before the update everything was working just fine.

terr4x
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1 Answers1

2

Please refer to the below link: Looks like you need to polyfill buffer.

https://github.com/agoncal/swagger-ui-angular6/issues/2

ramesh
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