Tomcatでベーシック認証

tomcat-users.xml

<tomcat-users>
    <role rolename="aaaa" />
    <user username="bbb" password="ccc" roles="aaaa" />
</tomcat-users>


web.xml

<web-app>
    <security-constraint>
        <web-resource-collection>
            <web-resource-name>
                Authentication of BasicAuth
            </web-resource-name>
            <url-pattern>/*</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <role-name>basic</role-name>
        </auth-constraint>
    </security-constraint>

    <login-config>
        <auth-method>BASIC</auth-method>
        <realm-name>ProtectedRealm</realm-name>
    </login-config>
</web-app>

参考リンク
http://www.javaroad.jp/opensource/js_tomcat9.htm
http://www.coderanch.com/t/465990/java-Web-Component-SCWCD/certification/HTTP-Status-Access-requested-resource