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AWS SNS SubscriptionNotFound error when trying to access an SNS subscription.

The specified subscription does not exist.

Understanding AWS SNS

Amazon Simple Notification Service (SNS) is a fully managed messaging service provided by AWS. It enables applications, end-users, and devices to send and receive notifications from the cloud. SNS supports a variety of communication protocols, including HTTP/S, email, SMS, and more, making it a versatile tool for push communication.

Identifying the SubscriptionNotFound Error

When working with AWS SNS, you might encounter the SubscriptionNotFound error. This error typically occurs when you attempt to access or manipulate a subscription that does not exist in your AWS account.

Common Symptoms

The primary symptom of this issue is receiving an error message stating: The specified subscription does not exist. This message indicates that the subscription ID you are using is not recognized by AWS SNS.

Exploring the SubscriptionNotFound Issue

The SubscriptionNotFound error is an indication that the subscription ID provided in your request is invalid or has been deleted. This can happen if the subscription was removed or if there was a typo in the subscription ID.

Root Causes

  • The subscription ID is incorrect or mistyped.
  • The subscription has been deleted or does not exist.
  • There is a mismatch between the region of the SNS topic and the subscription.

Steps to Resolve the SubscriptionNotFound Error

To resolve this error, follow these steps:

1. Verify the Subscription ID

Ensure that the subscription ID you are using is correct. You can list all subscriptions in your AWS account using the AWS CLI:

aws sns list-subscriptions

Review the output to confirm that the subscription ID is present.

2. Check for Subscription Deletion

If the subscription ID is not listed, it may have been deleted. You will need to recreate the subscription if necessary.

3. Confirm the Region

Ensure that you are operating in the correct AWS region. SNS topics and subscriptions are region-specific. Use the following command to set the correct region:

aws configure set region

Additional Resources

For more information on managing SNS subscriptions, refer to the AWS SNS Subscription Management Documentation. If you continue to experience issues, consider reaching out to AWS Support for further assistance.

By following these steps, you should be able to resolve the SubscriptionNotFound error and ensure your SNS subscriptions are correctly configured.

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