// Test deeply nested exception causes
        Exception level3 = new Exception("Level 3: Database connection failed");
        Exception level2 = new Exception("Level 2: User lookup failed", level3);
        Exception level1 = new Exception("Level 1: Authentication service error", level2);
        SsoProcessException topLevel = new SsoProcessException("SSO process failed", level1);

        // Verify the chain

        // Test nested exception handling
        Exception level3 = new RuntimeException("Level 3 error");
        Exception level2 = new IllegalStateException("Level 2 error", level3);
        Exception level1 = new IOException("Level 1 error", level2);
        SsoLoginException exception = new SsoLoginException("Top level SSO error", level1);

        assertEquals("Top level SSO error", exception.getMessage());

        String template = "${level1.level2.value}";
        Map<String, Object> paramMap = new HashMap<>();
        Map<String, Object> level2 = new HashMap<>();
        level2.put("value", "nested");
        Map<String, Object> level1 = new HashMap<>();
        level1.put("level2", level2);
        paramMap.put("level1", level1);

        Object result = scriptEngine.evaluate(template, paramMap);

        appender = LogNotificationAppender.createAppender("test", "ERROR", null, null);
    }

    private LogEvent createLogEvent(final Level level, final String loggerName, final String message) {
        return Log4jLogEvent.newBuilder() //
                .setLoggerName(loggerName) //
                .setLevel(level) //
                .setMessage(new SimpleMessage(message)) //
                .setTimeMillis(System.currentTimeMillis()) //

    <inspection_tool class="Convert2streamapi" enabled="false" level="INFORMATION" enabled_by_default="false" />
    <inspection_tool class="EqualsBetweenInconvertibleTypes" enabled="true" level="ERROR" enabled_by_default="true" />
    <inspection_tool class="FieldNamingConvention" enabled="true" level="ERROR" enabled_by_default="true">
      <extension name="InstanceVariableNamingConvention" enabled="true">

                .setLevel(Level.ERROR)
                .setMessage(new SimpleMessage("test message 3"))
                .build();

        LogEvent result1 = policy.rewrite(event1);
        LogEvent result2 = policy.rewrite(event2);
        LogEvent result3 = policy.rewrite(event3);

        assertEquals(Level.WARN, result1.getLevel());
        assertEquals(Level.WARN, result2.getLevel());

        return response;
    }

    /**
     * Sets the log level for the application.
     *
     * @param level The log level to set.
     */
    public void setLogLevel(final String level) {
        final Level logLevel = Level.toLevel(level, Level.WARN);
        System.setProperty(Constants.FESS_LOG_LEVEL, logLevel.toString());

    public void test_login_ecs() {
        activityHelper.useEcsFormat = true;
        activityHelper.login(OptionalThing.empty());
        assertEquals(

     * This message is shown to users on the main search page.
     */
    @Size(max = 3000)
    public String notificationSearchTop;

    /**
     * System log level for controlling log verbosity.
     * Controls the level of detail in system log messages.
     */
    @Size(max = 10)
    public String logLevel;

    /**
     * Storage service endpoint URL for cloud storage integration.

     */
    public ExecJob logFilePath(final String logFilePath) {
        this.logFilePath = logFilePath;
        return this;
    }

    /**
     * Sets the log level for this job execution.
     *
     * @param logLevel the log level (e.g., DEBUG, INFO, WARN, ERROR)
     * @return this ExecJob instance for method chaining
     */
    public ExecJob logLevel(final String logLevel) {
        this.logLevel = logLevel;