How to configure SSL certificate in Tomcat?

To configure an SSL certificate in Tomcat, you can follow the steps below:

1. To generate SSL certificates and private keys, you can use the keytool tool. Simply run the following command in the command line:

keytool -genkey -alias tomcat -keyalg RSA -keystore keystore.jks

When running this command, you will be prompted to enter some certificate information, such as password, organization, unit, etc.

1. Edit the server.xml file for Tomcat configuration:
   Navigate to the conf/server.xml file within the Tomcat installation directory. Add SSL configuration within the Connector tag in the file. Example shown below:

<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
maxThreads="150" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS"
keystoreFile="path/to/keystore.jks" keystorePass="password" />

In the example above, the port is set to 8443, specifying the path and password for the SSL certificate and private key.

1. Start the Tomcat server:
   Save the server.xml file and restart the Tomcat server. Now the Tomcat server has been configured with the SSL certificate.

It is important to note that passwords and paths in SSL certificates should be replaced according to the actual situation. Additionally, it is recommended to use SSL certificates issued by trusted certificate authorities in a production environment to ensure the security of communication.