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In order to set 'Cache-Control: no-cache' you will have to create a Custom filter, the ExpiresFilter is used to add 'Expires' and 'Cache-Control: max-age=' headers to HTTP response according to its 'Content-Type' and will not help in setting 'no-cache' Follow the below steps A custom filter should be written in order to set the headers, Package the filter inside a .jar Put the .jar into $CATALINA_HOME/lib Verify there are no 'ClassNotFoundException' once you add the jar in $CATALINA_HOME/lib package nocache; import javax.servlet.Filter; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletException; import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; public class CacheFilter implements Filter { @Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { HttpServletResponse response = (HttpServletResponse) servletResponse; response.setHeader("Cache-Control", "no-cache"); filterChain.doFilter(servletRequest, response); } }Add the below content to the $CATALINA_HOME/conf/web.xml file Sample web.xml deployment descriptor snippet <filter> <filter-name>CacheFilter</filter-name> <filter-class>nocache.CacheFilter</filter-class> </filter> <filter-mapping> <filter-name>CacheFilter</filter-name> <url-pattern>/*</url-pattern> <dispatcher>REQUEST</dispatcher> </filter-mapping>Access the application and checkout the response headers. (责任编辑：) |