Скачать или смотреть How to Fix the SSL Connection Issue Between Vertx HttpServer and HttpClient

Learn how to troubleshoot and resolve SSL connection issues in Vertx, ensuring smooth and secure communication between your HttpServer and HttpClient.
---
This video is based on the question https://stackoverflow.com/q/64011933/ asked by the user 'Charlotte45' ( https://stackoverflow.com/u/4941914/ ) and on the answer https://stackoverflow.com/a/64012060/ provided by the user 'Pendula' ( https://stackoverflow.com/u/3859317/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Cannot create SSL connection with Vertx server and client

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Fix the SSL Connection Issue Between Vertx HttpServer and HttpClient

SSL (Secure Sockets Layer) provides a secure communication channel over a computer network, and in the Java ecosystem, Vert.x is a popular framework for building reactive applications. However, many developers encounter issues when trying to set up an SSL connection between a Vertx HttpServer and HttpClient. In this guide, we'll explore common pitfalls and provide a straightforward solution for establishing a successful SSL connection.

Introduction to the Problem

When setting up an SSL connection in Vertx, developers often face the error:

[[See Video to Reveal this Text or Code Snippet]]

This issue typically arises due to incorrect configurations in keystores and truststores or due to the use of self-signed certificates. If you're experiencing the same issue, don't worry! We'll walk through the necessary steps to create valid self-signed certificates and make the correct configurations to resolve it.

Step 1: Creating Self-Signed Certificates

Creating self-signed certificates is essential for testing SSL connections. Here’s how to generate a keystore and a truststore:

Generate a Keystore with a Self-Signed Certificate

Run the following command in your terminal:

[[See Video to Reveal this Text or Code Snippet]]

This command generates a keystore file named keystore.jks with the necessary entries. Customize the password as needed, but for this example, we'll use changeit.

Export the Public Certificate

Next, you'll need to export the server's public certificate:

[[See Video to Reveal this Text or Code Snippet]]

Import the Certificate into a Truststore

Finally, import the public certificate into the truststore:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Configuring Vertx HttpServer and HttpClient

With the keystore and truststore ready, you now need to configure the HttpServer and HttpClient in your Vert.x application:

Setting Up the HttpServer

Here’s how to set up the HttpServer instance:

[[See Video to Reveal this Text or Code Snippet]]

Setting Up the HttpClient

Configure the HttpClient with the truststore settings:

[[See Video to Reveal this Text or Code Snippet]]

Important Notes

Use setVerifyHost(false): This setting is useful when testing with self-signed certificates because it disables hostname verification.

Ensure Paths are Correct: Make sure the paths to keystore.jks and truststore.jks are accurate relative to your project’s structure.

Conclusion

By following these steps, you should be able to successfully resolve the SSL connection issue between the Vertx HttpServer and HttpClient. Remember, using self-signed certificates is great for development and testing, but for production environments, it's essential to obtain certificates from a trusted Certificate Authority (CA).

If you have further questions or run into issues, feel free to reach out for additional help. Happy coding!