Ant mail unrecognized ssl message plaintext connection

A very specific error message!

The error "unrecognized SSL message, plaintext connection" typically occurs when an application (in this case, Ant) is trying to establish a secure connection (HTTPS) to a server, but the server is not responding with a valid SSL/TLS message.

Here are a few possible causes and solutions:

1. Server not configured for SSL/TLS: Make sure that the server you're trying to connect to is configured to use SSL/TLS. Check the server's documentation or contact the server administrator to ensure that SSL/TLS is enabled.
2. Incorrect SSL/TLS version: Ant may be using an older SSL/TLS version that the server doesn't support. Try specifying the SSL/TLS version in your Ant script using the sslversion attribute. For example:

   <get src="https://example.com" sslversion="TLSv1.2"/>

3. Certificate issues: There might be issues with the server's SSL/TLS certificate, such as an expired or invalid certificate. Check the server's certificate and ensure it's valid and trusted.
4. Firewall or proxy issues: Firewalls or proxies might be blocking the connection or modifying the SSL/TLS handshake. Check your network configuration and ensure that the connection is not being blocked or modified.
5. Ant configuration issues: Verify that your Ant configuration is correct and that you're using the correct protocol (HTTPS) and port (443) for the connection.

To troubleshoot the issue, you can try the following:

• Enable debug logging in Ant to get more detailed information about the SSL/TLS handshake:

  <target name="debug">
    <property name="ant.debug" value="true"/>
  </target>

• Use a tool like OpenSSL to test the SSL/TLS connection to the server:

  openssl s_client -connect example.com:443

  If you're still having issues, please provide more details about your Ant script and the server you're trying to connect to, and I'll do my best to help you troubleshoot the problem.