Spring Security CAS - After Receiving the ticket unable to land to login screen

Question

After receiving ticket unable to login to home screen, how I can debug the spring security part in my application? How can I debug the entry point of the application once ticket received?

@Configuration
@ComponentScan
public class CasSecurityConfiguration
{
    private final String casServerLoginUrl;
    private final String casServerUrl;
    private final String casClientUrl;

    @Autowired
    public CasSecurityConfiguration(@Value("#{environment.casServerLoginUrl}") String casServerLoginUrl,
            @Value("#{environment.casServerUrl}") String casServerUrl,
            @Value("#{environment.casClientUrl}") String casClientUrl)
    {
        this.casServerLoginUrl = casServerLoginUrl;
        this.casServerUrl = casServerUrl;
        this.casClientUrl = casClientUrl;
    }

    @Bean
    @SuppressWarnings("unchecked")
    public CasAuthenticationProvider casAuthenticationProvider(TicketValidator ticketValidator,
            ServiceProperties serviceProperties, CodesLdapUserDetailsService userDetailsService)
    {
        CasAuthenticationProvider provider = new CasAuthenticationProvider();
        provider.setServiceProperties(serviceProperties);
        provider.setTicketValidator(ticketValidator);
        provider.setAuthenticationUserDetailsService(userDetailsService);
        provider.setKey("cae");
        return provider;
    }

    @Bean
    public TicketValidator ticketValidator()
    {
        System.out.println("In ticketValidator ");
        return new Cas20ServiceTicketValidator(casServerUrl);
    }

    @Bean
    public AuthenticationManager authenticationManager(CasAuthenticationProvider casAuthenticationProvider)
    {
        System.out.println("In authenticationManager ");
        return new ProviderManager(List.of(casAuthenticationProvider));
    }

    @Bean
    public CasAuthenticationFilter casAuthenticationFilter(AuthenticationManager authenticationManager,
            ServiceProperties serviceProperties)
    {
        System.out.println("In casAuthenticationFilter ");
        CasAuthenticationFilter filter = new CasAuthenticationFilter();
        filter.setAuthenticationManager(authenticationManager);
        filter.setServiceProperties(serviceProperties);
        return filter;
    }

    @Bean
    public CasAuthenticationEntryPoint casAuthenticationEntryPoint(ServiceProperties serviceProperties)
    {
        System.out.println("In casAuthenticationEntryPoint ");
        CasAuthenticationEntryPoint casAuthenticationEntryPoint = new CasAuthenticationEntryPoint();
        casAuthenticationEntryPoint.setServiceProperties(serviceProperties);
        casAuthenticationEntryPoint.setLoginUrl(casServerLoginUrl);
        return casAuthenticationEntryPoint;
    }

    @Bean
    public ServiceProperties serviceProperties()
    {
        System.out.println("In serviceProperties ");
        ServiceProperties serviceProperties = new ServiceProperties();
        serviceProperties.setService(casClientUrl);
        serviceProperties.setSendRenew(false);
        return serviceProperties;
    }

After receiving ticket unable to login to home screen, How I can debug the spring security part in my application? How can I debug the entry point of the application once ticket received?