[eclipse] urlrewrite.xml error

urlrewrite,xml error
Referenced file contains errors (http://tuckey.org/res/dtds/urlrewrite3.2.dtd).

DTD 경로에 www를 추가 한다
http://www.tuckey.org/res/dtds/urlrewrite3.2.dtd

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE urlrewrite PUBLIC "-//tuckey.org//DTD UrlRewrite 2.6//EN"
        "http://www.tuckey.org/res/dtds/urlrewrite2.6.dtd">

<urlrewrite>
    <rule>
        <from>/$</from>
        <to type="redirect">/index.do</to>
    </rule>
</urlrewrite>