Error “data is invalid” when using Custom SSL certificate on Google App Engine

What will you learn?

In this tutorial, you will delve into troubleshooting and resolving the error message “data is invalid” that arises when trying to utilize a Custom SSL certificate on Google App Engine.

Introduction to the Problem and Solution

Encountering the “data is invalid” error while configuring a Custom SSL certificate on Google App Engine can be perplexing. This issue commonly stems from inaccuracies in formatting or content within the provided SSL files. However, by following precise troubleshooting procedures and making necessary adjustments, you can effectively deploy your custom SSL certificate.

To tackle this problem, it is imperative to meticulously examine the SSL certificate files for any anomalies in data format or content. By ensuring that these files are accurately structured and contain valid information, you can overcome the “data is invalid” error and proceed with implementing your Custom SSL certificate on Google App Engine seamlessly.


# Ensure that your SSL certificate files are correctly formatted and contain valid data.
# Check for any errors in file content or formatting.
# Make necessary corrections before deployment.

# For more Python tips and solutions, visit

# Copyright PHD


When faced with the “data is invalid” error during the setup of a Custom SSL certificate on Google App Engine, validating the contents of your SSL files becomes crucial. The occurrence of this error signifies potential issues with either the data format or content present in these files. By meticulously inspecting and rectifying any discrepancies within the certificates’ data, you can ensure a successful deployment without encountering this error.

It is essential to: – Verify all required fields in the certificates have accurate information. – Confirm there are no syntax errors or missing elements in the file structure.

Once any errors have been rectified, attempt deploying your Custom SSL certificate on Google App Engine again to confirm resolution of the issue.

  1. How do I determine if my Custom SSL certificate files have valid data?

  2. To validate your SSL certificate data, consider utilizing tools like OpenSSL commands or third-party websites such as SSLLabs for comprehensive analysis of your certificates’ contents.

  3. What should I do if I encounter persistent errors after correcting my SSL files?

  4. If issues persist even after verifying and correcting your certificates’ data, consider seeking assistance from Google Cloud Platform support for further diagnosis and resolution of potential configuration problems.

  5. Can expired certificates cause an “invalid data” error during deployment?

  6. Yes, utilizing expired or outdated certificates may lead to validation errors like “data is invalid.” Always ensure your certificates are up-to-date before deploying them on Google App Engine.

  7. Is it necessary to include both root and intermediate certificates when configuring a Custom SSL setup?

  8. Including both root and intermediate certificates ensures a complete chain of trust for secure connections. Failure to provide them correctly might result in validation errors such as “data is invalid.”

  9. How does proper formatting help avoid common SSL deployment errors?

  10. Maintaining consistent formatting standards across all components of your custom Certificate Signing Request (CSR) aids in preventing misinterpretations by servers during verification processes. This reduces chances of encountering validation issues like “data is invalid.”


Resolving the “data is invalid” error when implementing a Custom SSL certificate on Google App Engine demands attention to detail in validating file contents. By adhering to proper formatting standards and ensuring accurate data within these files, you can successfully overcome this hurdle. Remember, meticulous inspection and correction pave the way for seamless deployment of your custom SSL certificate.

Leave a Comment