assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_serialVersionUID() {
        // Test that the exception has a serialVersionUID field
        FessUserNotFoundException exception1 = new FessUserNotFoundException("user1");

        // Verify that stack trace is not generated
        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertEquals(0, stackTrace.length);
    }

    @Test
    public void test_serialVersionUID() {
        // Test that serialVersionUID is correctly defined
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        // Verify exception is serializable

        assertEquals("Type2", exception2.getType());
        assertEquals("Message2", exception2.getMessage());

        assertNotSame(exception1, exception2);
    }

    @Test
    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly defined
        InvalidAccessTokenException exception1 = new InvalidAccessTokenException("Type", "Message");

        assertEquals("{success.crud_delete_crud_table}", FessMessages.SUCCESS_crud_delete_crud_table);
    }

    // Test serialization
    @Test
    public void test_serialVersionUID() {
        assertEquals(1L, getSerialVersionUID());
    }

    private long getSerialVersionUID() {
        try {