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Tag Archive for javaamazon-cognitomqttaws-iotaws-sdk-java-2.0

AWS MQTT3 Websockets Connection Closed Unexpectedly

I’m trying to connect to AWS MQTT3 via websockets with authentication from Cognito, but I’m getting Caused by: software.amazon.awssdk.crt.mqtt.MqttException: The connection was closed unexpectedly.. What might be the problem?