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Amazon web services – How to resolve why attempting to publish an SNS message from a Lambda function that is connected to a VPC hangs

I have a very simply Lambda function: import boto3 def lambda_handler(event, context): snsTopicArn="arn:aws:sns:us-west-2:REDACTED:keiths-test-topic" snsClient = boto3.client('sns') message="This is a test" print("before snsClient.publish") response = snsClient.publish(TopicArn=snsTopicArn, Message=message, Subject="This is a test") print(response) return(response) When I run it, it hangs at the…

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Flutter – Can't verify signature for cognito access token

I'm using this below to get the access token of a logged in user. Future<void> fetchCognitoAuthSession() async { try { final cognitoPlugin = Amplify.Auth.getPlugin(AmplifyAuthCognito.pluginKey); final result = await cognitoPlugin.fetchAuthSession(); final userPoolTokensResult = result.userPoolTokensResult.toJson(); safePrint("Current user's userPoolTokensResult: $userPoolTokensResult"); } on AuthException…

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