SST framework configuration issues

Oct 13, 2025 by pynkocean.com 126 views

Introduction

Hello there 👋🏾

Are you experiencing issues with accessing DynamoDB on AWS using the Serverless Stack Technology (SST) framework? If so, you're not alone. In this article, we'll explore the error TypeError: fetch failed and provide a step-by-step guide to resolve the issue.

Error Analysis

The error TypeError: fetch failed is a generic error that can occur due to various reasons. In this case, the error is related to accessing DynamoDB on AWS using the SST framework. The error message indicates that there's a timeout issue while connecting to the DynamoDB endpoint.

Code Analysis

Let's take a closer look at the code snippet that's causing the issue:

export const auth = new sst.aws.Auth("Auth", {
    issuer: {
        timeout: "3 minutes",
        handler: "./packages/functions/src/auth.handler",
        link: [
            bus,
            email,
            database,
            authFingerprintKey,
            secret.PolarSecret,
            secret.GithubClientID,
            secret.DiscordClientID,
            secret.GithubClientSecret,
            secret.DiscordClientSecret,
        ],
        permissions: [
            {
                actions: ["ses:SendEmail"],
                resources: ["*"],
            },
        ],
    },
    domain: {
        name: "auth." + domain,
        dns: sst.cloudflare.dns(),
    },
})

The code snippet is using the sst.aws.Auth class to create an authentication instance. The issuer property is set to an object with a timeout property set to "3 minutes". This timeout value is likely causing the issue.

Troubleshooting Steps

To resolve the TypeError: fetch failed error, follow these troubleshooting steps:

Step 1: Check the Timeout Value

The first step is to check the timeout value set in the issuer property. In this case, the timeout value is set to "3 minutes". Try increasing the timeout value to a higher value, such as "10 minutes" or "30 minutes".

Step 2: Verify the DynamoDB Endpoint

Verify that the DynamoDB endpoint is correct and accessible. You can do this by checking the AWS Management Console or using the AWS CLI to verify the endpoint.

Step 3: Check the Network Connection

Check the network connection to ensure that it's stable and not experiencing any issues. You can do this by running a simple network connectivity test using tools like ping or curl.

Step 4: Check the AWS Credentials

Verify that the AWS credentials are correct and properly configured. You can do this by checking the AWS CLI configuration or using the AWS SDK to verify the credentials.

Step 5: Check the SST Framework Configuration

Verify that the SST framework is properly configured and that the authentication instance is created correctly. You can do this by checking the SST framework documentation or using the SST framework's built-in debugging tools.

Conclusion

In conclusion, the TypeError: fetch failed error while accessing DynamoDB on AWS using the SST framework can be resolved by following the troubleshooting steps outlined above. By checking the timeout value, verifying the DynamoDB endpoint, checking the network connection, verifying the AWS credentials, and checking the SST framework configuration, you should be able to resolve the issue and access DynamoDB successfully.

Additional Resources

For further assistance, you can refer to the following resources:

Example Use Case

Here's an example use case that demonstrates how to create an authentication instance using the SST framework:

import { Auth } from 'sst/aws';

export const auth = new Auth('Auth', {
  issuer: {
    timeout: '10 minutes',
    handler: './packages/functions/src/auth.handler',
    link: [
      bus,
      email,
      database,
      authFingerprintKey,
      secret.PolarSecret,
      secret.GithubClientID,
      secret.DiscordClientID,
      secret.GithubClientSecret,
      secret.DiscordClientSecret,
    ],
    permissions: [
      {
        actions: ['ses:SendEmail'],
        resources: ['*'],
      },
    ],
  },
  domain: {
    name: 'auth.' + domain,
    dns: sst.cloudflare.dns(),
  },
});

Q: What is the `TypeError: fetch failed` error?

A: The TypeError: fetch failed error is a generic error that can occur due to various reasons. In this case, the error is related to accessing DynamoDB on AWS using the Serverless Stack Technology (SST) framework.

Q: What are the common causes of the `TypeError: fetch failed` error?

A: The common causes of the TypeError: fetch failed error include:

Timeout issues: The timeout value set in the issuer property may be too low, causing the error.
DynamoDB endpoint issues: The DynamoDB endpoint may be incorrect or inaccessible, causing the error.
Network connection issues: The network connection may be unstable or experiencing issues, causing the error.
AWS credentials issues: The AWS credentials may be incorrect or not properly configured, causing the error.
SST framework configuration issues: The SST framework may not be properly configured, causing the error.

Q: How can I troubleshoot the `TypeError: fetch failed` error?

A: To troubleshoot the TypeError: fetch failed error, follow these steps:

Check the timeout value: Verify that the timeout value set in the issuer property is sufficient.
Verify the DynamoDB endpoint: Check that the DynamoDB endpoint is correct and accessible.
Check the network connection: Verify that the network connection is stable and not experiencing issues.
Check the AWS credentials: Verify that the AWS credentials are correct and properly configured.
Check the SST framework configuration: Verify that the SST framework is properly configured.

Q: What are some best practices for preventing the `TypeError: fetch failed` error?

A: To prevent the TypeError: fetch failed error, follow these best practices:

Set a sufficient timeout value: Set a timeout value that is sufficient for your use case.
Verify the DynamoDB endpoint: Verify that the DynamoDB endpoint is correct and accessible.
Use a stable network connection: Use a stable network connection to avoid issues.
Verify the AWS credentials: Verify that the AWS credentials are correct and properly configured.
Verify the SST framework configuration: Verify that the SST framework is properly configured.

Q: Can I use a retry mechanism to handle the `TypeError: fetch failed` error?

A: Yes, you can use a retry mechanism to handle the TypeError: fetch failed error. You can use a library like retry-axios to implement a retry mechanism.

Q: How can I implement a retry mechanism using `retry-axios`?

A: To implement a retry mechanism using retry-axios, follow these steps:

Install retry-axios: Install the retry-axios library using npm or yarn.
Import retry-axios: Import the retry-axios library in your code.
Create a retry instance: Create a retry instance using the retry-axios library.
Use the retry instance: Use the retry instance to make requests to DynamoDB.

Example Use Case

Here's an example use case that demonstrates how to implement a retry mechanism using retry-axios:

import axios from 'axios';
import retryAxios from 'retry-axios';

const axiosInstance = retryAxios(axios, {
  retries: 3,
  retryDelay: 1000,
});

axiosInstance.get('https://example.com')
  .then((response) => {
    console.log(response.data);
  })
  .catch((error) => {
    console.error(error);
  });

This example creates a retry instance using the retry-axios library and uses it to make a GET request to a URL. If the request fails, the retry instance will retry the request up to 3 times with a delay of 1 second between each retry.