在tomcat的conf目录下找到web.xml，在里面查找
<servlet>
<servlet-name>default</servlet-name>
<servlet-class>
org.apache.catalina.servlets.DefaultServlet
</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>listings</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
把里面的
<init-param>
<param-name>listings</param-name>
<param-value>true</param-value>
</init-param>
true改为false