修改你部署项目的WEB-INF目录下的web.xml,例子内容如下：
<error-page>
          <error-code>404</error-code>
          <location>/errorJumpToFirstPage.jsp</location>
  </error-page>
  <error-page>
          <error-code>400</error-code>
          <location>/errorJumpToFirstPage.jsp</location>
  </error-page>