AWS Polly InvalidTaskIdException

The task ID provided is not valid.

Understanding AWS Polly

AWS Polly is a cloud-based service provided by Amazon Web Services that converts text into lifelike speech. It enables developers to create applications that can talk, making it an essential tool for enhancing user interaction through voice. Polly supports multiple languages and offers a variety of voices, making it versatile for global applications.

Recognizing the Symptom

When using AWS Polly, you might encounter the InvalidTaskIdException. This error typically manifests when you attempt to retrieve or manage a speech synthesis task using an incorrect task ID. The error message will indicate that the task ID provided is not valid, which can halt your application's functionality.

Exploring the Issue

What is InvalidTaskIdException?

The InvalidTaskIdException is an error code returned by AWS Polly when the task ID you provide does not match any existing task. This can occur if the task ID is malformed, expired, or simply incorrect.

Common Causes

There are several reasons why you might encounter this error:

  • Typographical errors in the task ID.
  • Using a task ID that has already been completed and deleted.
  • Attempting to access a task ID from a different AWS region.

Steps to Fix the Issue

Verify the Task ID

Ensure that the task ID you are using is correct. Double-check for any typographical errors. You can retrieve the correct task ID from the response of the StartSpeechSynthesisTask API call.

Check Task Status

Use the ListSpeechSynthesisTasks API to list all active tasks and verify the status of your task. This can help you determine if the task has been completed or deleted. Here is a sample command:

aws polly list-speech-synthesis-tasks --region us-west-2

Ensure Correct AWS Region

Make sure that you are querying the task ID in the correct AWS region. Task IDs are region-specific, and querying in the wrong region will result in an InvalidTaskIdException.

Consult AWS Documentation

For more detailed information, refer to the AWS Polly Documentation. It provides comprehensive guidance on managing speech synthesis tasks.

Conclusion

By following these steps, you should be able to resolve the InvalidTaskIdException in AWS Polly. Ensuring the accuracy of your task ID and understanding the task lifecycle are crucial for seamless operation. For further assistance, consider reaching out to AWS Support.

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