Login
public Login(String loginContextName,
             CallbackHandler callbackHandler,
             ZKConfig zkConfig)
      throws LoginException
LoginThread constructor. The constructor starts the thread used to
 periodically re-login to the Kerberos Ticket Granting Server.
- Parameters:
 
loginContextName - name of section in JAAS file that will be use to login. Passed
            as first param to javax.security.auth.login.LoginContext(). 
callbackHandler - Passed as second param to
            javax.security.auth.login.LoginContext(). 
zkConfig - client or server configurations 
- Throws:
 
LoginException - Thrown if authentication fails.