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Tomcat 6, java.lang.SecurityException: Servlet of class org.apache.catalina.servlets
作者:Java伴侣 日期:2009-01-16
Tomcat 6, java.lang.SecurityException: Servlet of class org.apache.catalina.servlets.InvokerServlet is privileged and cannot b
<Context reloadable="true" privileged="true">
The invoker servlet lets you run servlets without first making changes to your Web application's deployment descriptor (i.e., the WEB-INF/web.xml file). Instead, you just drop your servlet into WEB-INF/classes and use the URL http://host/servlet/ServletName (or http://host/webAppName/servlet/ServletName once you start using your own Web applications. The invoker servlet is extremely convenient when you are learning and even when you are testing things doing your initial development. You almost certainly want to enable it when learning, but you should disable it again before deploying any real applications.
To enable the invoker servlet, uncomment the following servlet and servlet-mapping elements in install_dir/conf/web.xml. Do not confuse this Apache Tomcat-specific web.xml file with the standard one that goes in the WEB-INF directory of each Web application.
<servlet>
<servlet-name>invoker</servlet-name>
<servlet-class>
org.apache.catalina.servlets.InvokerServlet
</servlet-class>
...
</servlet>
...
<servlet-mapping>
<servlet-name>invoker</servlet-name>
<url-pattern>/servlet/*</url-pattern>
</servlet-mapping>
In Tomcat 6 (but not Tomcat 5.5), you also need the privileged="true" entry in the Context element of context.xml. See the previous section for an example.
<Context reloadable="true" privileged="true">
The invoker servlet lets you run servlets without first making changes to your Web application's deployment descriptor (i.e., the WEB-INF/web.xml file). Instead, you just drop your servlet into WEB-INF/classes and use the URL http://host/servlet/ServletName (or http://host/webAppName/servlet/ServletName once you start using your own Web applications. The invoker servlet is extremely convenient when you are learning and even when you are testing things doing your initial development. You almost certainly want to enable it when learning, but you should disable it again before deploying any real applications.
To enable the invoker servlet, uncomment the following servlet and servlet-mapping elements in install_dir/conf/web.xml. Do not confuse this Apache Tomcat-specific web.xml file with the standard one that goes in the WEB-INF directory of each Web application.
<servlet>
<servlet-name>invoker</servlet-name>
<servlet-class>
org.apache.catalina.servlets.InvokerServlet
</servlet-class>
...
</servlet>
...
<servlet-mapping>
<servlet-name>invoker</servlet-name>
<url-pattern>/servlet/*</url-pattern>
</servlet-mapping>
In Tomcat 6 (but not Tomcat 5.5), you also need the privileged="true" entry in the Context element of context.xml. See the previous section for an example.
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