问在tomcat 7中使用ant任务取消部署会产生需要POST的错误，而不是GET。

EN

<path id="catalina-ant-classpath">
    <fileset dir="${tomcat.base.dir}/lib">
            <include name="catalina-ant.jar"/>
            <include name="tomcat-coyote.jar"/>
            <include name="tomcat-util.jar"/>
    </fileset>
    <fileset dir="${tomcat.base.dir}/bin">
    <include name="tomcat-juli.jar"/>
    </fileset>
</path>

<taskdef name="undeploy" classname="org.apache.catalina.ant.UndeployTask" classpathref="catalina-ant-classpath"/>
<target name="undeploy" description="undeploy from tomcat">
    <undeploy 
            url="http://localhost:8080/manager/html"
            username="admin"
            password="password"
            path="/mywebapp"
    />
</target>

<user username="admin" password="password" roles="manager-gui, manager-jmx, manager-status"/>