Exception cause = new IllegalArgumentException("Invalid SSO token");
        SsoLoginException exception = new SsoLoginException("SSO error", cause);

        Throwable retrievedCause = exception.getCause();
        assertNotNull(retrievedCause);
        assertSame(cause, retrievedCause);
        assertEquals("Invalid SSO token", retrievedCause.getMessage());
    }

    @Test

├── helper/                    # Cross-cutting utilities (~40+ helpers)
├── crawler/                   # Crawling engine (processor, transformer, service)
├── sso/                       # SSO implementations (oic, saml, spnego, entraid)
├── auth/                      # Authentication management
├── ldap/                      # LDAP integration
├── filter/                    # Servlet filters

        // Use legacy "aad" SSO type
        currentSsoType = "aad";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }
        };

        // Verify that "aad" SSO type resolves to "entraidAuthenticator"

public class SsoMessageExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructor_withMessageCodeMessageAndCause() {
        // Setup
        final String message = "Test SSO error message";
        final Exception cause = new RuntimeException("Test cause");
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);

import org.codelibs.fess.exception.SsoLoginException;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.sso.SsoAuthenticator;
import org.codelibs.fess.sso.SsoResponseType;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.spnego.SpnegoFilterConfig;
import org.codelibs.spnego.SpnegoHttpFilter;

# ========================================================================================
# Fess
# ======
errors.login_error = Nazwa użytkownika lub hasło są nieprawidłowe.
errors.sso_login_error=Błąd w procesie logowania SSO.
errors.could_not_find_log_file = Nie można znaleźć {0}.
errors.failed_to_start_crawl_process = Nie można uruchomić procesu indeksowania.
errors.invalid_design_jsp_file_name = Nieprawidłowa nazwa pliku JSP.

    @Size(max = 10)
    public String searchFileProxy;

    /** Enable or disable using browser locale for search. */
    @Size(max = 10)
    public String searchUseBrowserLocale;

    /** SSO type (none, oic, saml, spnego, entraid). */
    @Size(max = 100)
    public String ssoType;

    /** User agent string for crawling operations. */
    @Size(max = 1000)
    public String crawlingUserAgent;

# info.xxx = ...
# _/_/_/_/_/_/_/_/_/_/
# ========================================================================================
# Fess
# ======
errors.login_error = Invalid username or password.
errors.sso_login_error=SSO login process failed.
errors.could_not_find_log_file = Could not find {0}.
errors.failed_to_start_crawl_process = Failed to start a crawl process.
errors.invalid_design_jsp_file_name = Invalid JSP file.

# info.xxx = ...
# _/_/_/_/_/_/_/_/_/_/
# ========================================================================================
# Fess
# ======
errors.login_error = Invalid username or password.
errors.sso_login_error=SSO login process failed.
errors.could_not_find_log_file = Could not find {0}.
errors.failed_to_start_crawl_process = Failed to start a crawl process.
errors.invalid_design_jsp_file_name = Invalid JSP file.

# errors.xxx = ...
# info.xxx = ...
# _/_/_/_/_/_/_/_/_/_/
# ========================================================================================
# Fess
# ======
errors.login_error = 用户名或密码不正确。
errors.sso_login_error=SSO登录处理失败。
errors.could_not_find_log_file = 未找到 {0}。
errors.failed_to_start_crawl_process = 启动爬网进程失败。
errors.invalid_design_jsp_file_name = 无效的JSP文件名。
errors.design_jsp_file_does_not_exist = JSP文件不存在。