AWS Polly TextLengthExceededException
Understanding AWS Polly
AWS Polly is a cloud service that converts text into lifelike speech, allowing developers to create applications that talk. It is part of Amazon Web Services and is widely used in applications that require voice interaction, such as virtual assistants, e-learning platforms, and more.
Identifying the Symptom
When using AWS Polly, you might encounter the TextLengthExceededException error. This error occurs when the input text exceeds the maximum length that Polly can process in a single request.
Exploring the Issue
The TextLengthExceededException is triggered when the input text surpasses the character limit set by AWS Polly. This limit is in place to ensure efficient processing and resource management. The error message typically indicates that the text is too long for the service to handle.
Character Limit Details
AWS Polly has a character limit of 3000 characters for a single request. If your text exceeds this limit, Polly will not be able to process it, resulting in the TextLengthExceededException.
Steps to Fix the Issue
To resolve this issue, you need to split your input text into smaller chunks that fall within the character limit. Here's how you can do it:
Step 1: Analyze Your Text
First, determine the length of your input text. You can use programming languages like Python to count the characters:
text = "Your long input text here"
text_length = len(text)
print(f"Text length: {text_length} characters")
Step 2: Split the Text
If the text length exceeds 3000 characters, split it into smaller segments. You can use Python's slicing feature:
chunk_size = 3000
chunks = [text[i:i+chunk_size] for i in range(0, len(text), chunk_size)]
Step 3: Process Each Chunk
Send each chunk separately to AWS Polly for processing. Ensure that you handle the responses appropriately to combine them if needed.
Additional Resources
For more information on AWS Polly and its limitations, you can refer to the AWS Polly Documentation. Additionally, check out the AWS Polly Pricing page for details on usage costs.
By following these steps, you can effectively manage the TextLengthExceededException and ensure smooth operation of your AWS Polly applications.
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