assertNull(exception.getCause());
        assertEquals(componentName, exception.getComponentName());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Test constructor with null cause only
        ContainerNotAvailableException exception = new ContainerNotAvailableException((Throwable) null);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Test constructor with null cause
        final JobProcessingException exception = new JobProcessingException((Throwable) null);

        assertNotNull(exception);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Test with null cause
        DataStoreException exception = new DataStoreException((Throwable) null);

        assertNotNull(exception);
        assertNull(exception.getCause());

        FessSystemException exception = new FessSystemException((String) null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Test constructor with null cause
        String message = "Test with null cause";
        FessSystemException exception = new FessSystemException(message, null);

        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Setup
        final String message = "Test error with null cause";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);

        SsoProcessException exception = new SsoProcessException((String) null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Test constructor with null cause
        String message = "SSO provider communication failure";
        SsoProcessException exception = new SsoProcessException(message, null);

Shinsuke Sugaya <******@****.***> 1768120985 +0900

        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    @Test
    public void test_constructor_withNullCause() {
        // Setup
        final String message = "Query validation failed";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

Shinsuke Sugaya <******@****.***> 1768120985 +0900

Shinsuke Sugaya <******@****.***> 1768120985 +0900