Resolving the jwt expired Error in Shopify Apps with Node.js

Описание: Discover the effective solution for the `Failed to parse session token '******' jwt expired` error in your Shopify app powered by Node.js, and prevent frustration with time synchronization tips.
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This video is based on the question https://stackoverflow.com/q/70423409/ asked by the user 'Stefan Momcilovic' ( https://stackoverflow.com/u/11748351/ ) and on the answer https://stackoverflow.com/a/70467359/ provided by the user 'Stefan Momcilovic' ( https://stackoverflow.com/u/11748351/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving the jwt expired Error in Shopify Apps with Node.js

When developing applications for Shopify using Node.js, encountering authentication problems can be frustrating. One common error developers face is the message: "Error: Failed to parse session token '****' jwt expired."** If you've stumbled upon this issue, rest assured, you're not alone. Many have faced it during development and the good news is, there’s a straightforward solution.

Understanding the Issue

The error occurs due to the expiration of the JSON Web Token (JWT) used for session authentication. Typically, this token is crucial for maintaining secure sessions between your Shopify app and the Shopify API. When the token expires, any attempt to make API calls, like fetching product details, results in failure. The root cause can often be attributed to one critical factor: your system time being misaligned.

The Solution: Synchronizing Your Computer Time

The resolution to the JWT expiration error is simple and lies in ensuring your computer's time is accurately synchronized. Here’s how to do it:

Step 1: Check Your System Time

Make sure to check if your system time is correct. If you're using Kali Linux, you can quickly verify the time by entering:

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If the output does not match the actual time, proceed to the next step.

Step 2: Synchronize Your Time

To synchronize your time on Kali Linux, follow these steps:

Install ntpdate (if not already installed):

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Sync your time with an online time server:

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Check the time again to ensure it has been updated correctly.

Step 3: Restart Your Application Server

Once you've synchronized your system time, the last step is to restart your application server. This allows it to pick up the change in time and refresh the session tokens:

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Conclusion

After following these steps, you should no longer encounter the "Error: Failed to parse session token '****' jwt expired."** It's remarkable how something as seemingly simple as time synchronization could save you days of debugging!

Consistency in your system's time ensures more reliable communication with the Shopify API, ultimately enhancing the development experience of your application. Should you stumble into this issue again, remember this guide and resolve the error swiftly. Happy coding!