两个问题 1：urlrewrite的问题； 2：项目关闭tomcat后抛出的异常

1.
小弟为公司做网站，现在基本完成，考虑到安全性和搜索引擎抓取问题，决定使用一下urlrewrite技术，按照网上指导试了几次但是不成功，现把各项配置贴出，请各位大神指教：

urlrewritefilter: 用的是urlrewritefilter-4.0.3.jar

web.xml里关于urlrewrite的配置:

<filter>
    <filter-name>UrlRewriteFilter</filter-name>
    <filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
</filter>

<filter-mapping>
    <filter-name>UrlRewriteFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
    <dispatcher>FORWARD</dispatcher>
</filter-mapping>
    

WEB-INF/urlrewrite.xml配置:
<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE urlrewrite
    PUBLIC "-//tuckey.org//DTD UrlRewrite 3.0//EN"
    "http://tuckey.org/res/dtds/urlrewrite3.0.dtd">

<urlrewrite default-match-type="wildcard">
    <rule>
        <from>/jumbo1.1/admin.html</from>
        <to type="redirect">/jumbo1.1/login.jsp</to>
    </rule>
    <rule>
        <from>/jumbo1.1/page/main/*</from>
        <to>/jumbo1.1/page/main/jumbomain.html</to>
    </rule>
</urlrewrite>

配置后输入正确的地址可以访问页面，但是地址栏还是显示原来的地址，而输入上面红字中的地址则访问不到页面，小弟对于urlrearite实在是不了解，希望大家给予指教，不胜感激。

2.小弟的这个项目是用struts2开发的，服务器上还部署过其他项目，但都被卸载了，现在开启服务器运行项目时一切正常，但是在关闭服务器时报以下异常，不知道是哪里出的问题，现在开发的项目名称是jumbo1.1:

严重: The web application [/dang] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@17414c8]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@7a17]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
2013-9-15 18:38:27 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [/dang1.0] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@125ee49]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@13f212a]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
………………
严重: The web application [/jumbo1.1] created a ThreadLocal with key of type [com.sun.faces.util.Util$1] (value [com.sun.faces.util.Util$1@1c313da]) and a value of type [java.util.HashMap] (value [{com.sun.faces.patternCache={ = }}]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
2013-9-15 18:38:27 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [/jumbo1.1] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@4c585f]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@3de2df]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
2013-9-15 18:38:27 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
严重: The web application [/jumbo1.1] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@4c585f]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@930120]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak. --------------------编程问答-------------------- 自己顶一下，静待回复 --------------------编程问答-------------------- 再顶一把，期待回复

--------------------编程问答-------------------- 再顶一把，期待回复

补充：Java ,  Web 开发