In the <Realm> element of the server.xml file, modify the URL of the LDAP server as follows:
Set the port number to the port number that the LDAP server listens on for SSL requests. Typically, this number is 636.
For example:
<Realm className="org.apache.catalina.realm.JNDIRealm" connectionURL="ldaps://myldapserver:636" ... |