为何webwork的expressvalidator取null值?
这是我的一个验证器,可是报错:
19:02:39,000 WARN [ExpressionValidator] Got result of null when trying to get Boolean.
调试了一天了还没结果,哪位兄弟,提醒一下,一句话也可以啊,感激....

    <validator type="expression">      <param name="expression">#password==#password2)</param>      <message key="profile.passwd.notmatch">Email not the passowrd as passowrd2</message>    </validator>