java.lang.SecurityException: Filter of class org.apache.catalina.ssi.SSIFilter is privileged and cannot be loaded by this web application

錯誤：

 1 java.lang.SecurityException: Filter of class org.apache.catalina.ssi.SSIFilter is privileged and cannot be loaded by this web application
 2     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:271)
 3     at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
 4     at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
 5     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072)
 6     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)
 7     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
 8     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
 9     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
10     at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
11     at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
12     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
13     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
14     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
15     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
16     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
17     at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
18     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
19     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
20     at org.apache.catalina.core.StandardService.start(StandardService.java:525)
21     at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
22     at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
23     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
24     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
25     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
26     at java.lang.reflect.Method.invoke(Unknown Source)
27     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
28     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

錯誤原因：

     因為tomcat-->conf-->web.xml中ssi filter和ssi serverlet中的註釋被打開。

解決方案：

     找到這個文件。註釋掉以下內容：

 1 <!-- 
 2     <servlet>
 3         <servlet-name>ssi</servlet-name>
 4         <servlet-class>
 5           org.apache.catalina.ssi.SSIServlet
 6         </servlet-class>
 7         <init-param>
 8           <param-name>buffered</param-name>
 9           <param-value>1</param-value>
10         </init-param>
11         <init-param>
12           <param-name>debug</param-name>
13           <param-value>0</param-value>
14         </init-param>
15         <init-param>
16           <param-name>expires</param-name>
17           <param-value>666</param-value>
18         </init-param>
19         <init-param>
20           <param-name>isVirtualWebappRelative</param-name>
21           <param-value>0</param-value>
22         </init-param>
23        <init-param>
24             <param-name>inputEncoding</param-name>
25             <param-value>utf-8</param-value>
26         </init-param>
27         <init-param>
28             <param-name>outputEncoding</param-name>
29             <param-value>utf-8</param-value>
30         </init-param>
31         <load-on-startup>4</load-on-startup>
32     </servlet>
33 -->

1 <!-- 
2     <servlet-mapping>
3         <servlet-name>ssi</servlet-name>
4         <url-pattern>*.shtml</url-pattern>
5     </servlet-mapping>
6 
7 -->

1 <!--
2     <filter-mapping>
3         <filter-name>ssi</filter-name>
4         <url-pattern>*.shtml</url-pattern>
5     </filter-mapping>
6 -->

 1 <!-- 
 2     <filter>
 3         <filter-name>ssi</filter-name>
 4         <filter-class>
 5           org.apache.catalina.ssi.SSIFilter
 6         </filter-class>
 7         <init-param>
 8           <param-name>contentType</param-name>
 9           <param-value>text/x-server-parsed-html(;.*)?</param-value>
10         </init-param>
11         <init-param>
12           <param-name>debug</param-name>
13           <param-value>0</param-value>
14         </init-param>
15         <init-param>
16           <param-name>expires</param-name>
17           <param-value>666</param-value>
18         </init-param>
19         <init-param>
20           <param-name>isVirtualWebappRelative</param-name>
21           <param-value>0</param-value>
22         </init-param>
23     </filter>
24 -->

 註：因為tomcat5和tomcat6對ssi的支持方式不一樣。肯能解決方法也不一樣。上面的方法只解決了我的問題。網上也有好多解決方法。