How to Fix: Unrecognized SSL message, plaintext connection? Exception
SSLException Unrecognized SSL message, plaintext connection? Exception
📋 Table of Contents
The 'Unrecognized SSL message, plaintext connection?' exception in Java is typically caused by a mismatch between the SSL version used by your application and the one expected by the server. This can occur due to various reasons such as using an older or newer version of the SSL protocol than what the server supports.
💡 Why You Are Getting This Error
- [Cause]
🔧 Proven Troubleshooting Steps
Method 1: SSL Version Mismatch
- Step 1: Use the `SSLContext` class to specify the desired SSL version. For example, you can use `SSLSocketFactory.getDefault().getSupportedCipherSuites()` to get the supported cipher suites and then choose one that is compatible with your application's SSL version.
Method 2: Server Configuration
- Step 1: Check the server configuration to ensure that it is set to use a compatible SSL version. You can do this by checking the server's `SSL/TLS` settings or contacting your server administrator.
🎯 Final Words
By following these steps, you should be able to resolve the 'Unrecognized SSL message, plaintext connection?' exception in your Java application and establish a secure connection with the HTTPS server.
❓ Frequently Asked Questions
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