Umesh Pathak [http://community.jboss.org/people/smart_umesh_123] created the discussion
"ETag" To view the discussion, visit: http://community.jboss.org/message/585438#585438 -------------------------------------------------------------- I tried the response.getCacheControl().setUseCachedContent(true). but it does not work. Here is my portlet class - package com.mycompany.frs.portlet; public class CacheDemo extends GenericPortlet { public void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException { System.out.println("**---- " + this.getClass().getName() + "'s doView is started"); if (request.getETag() != null) { if (request.getETag().startsWith("MY_ETAG")) { System.out.println("/////// MARKUP IS VALID"); response.getCacheControl().setExpirationTime(30); response.getCacheControl().setUseCachedContent(true); return; } } else { response.getCacheControl().setETag("MY_ETAG" + (new Date())); response.getCacheControl().setExpirationTime(30); PortletRequestDispatcher dispatcher = getPortletContext().getRequestDispatcher("/WEB-INF/CacheDemo.jsp"); dispatcher.include(request, response); } } } *portlet.xml =* <portlet> <description>CacheDemo</description> <portlet-name>CacheDemo</portlet-name> <display-name>CacheDemo</display-name> <portlet-class>com.mycompany.frs.portlet.CacheDemo</portlet-class> <supports> <mime-type>text/html</mime-type> <portlet-mode>VIEW</portlet-mode> </supports> <supports> <mime-type>text/html</mime-type> <portlet-mode>EDIT</portlet-mode> </supports> <supports> <mime-type>text/html</mime-type> <portlet-mode>HELP</portlet-mode> </supports> <portlet-info> <title>CacheDemo</title> <short-title>CacheDemo</short-title> </portlet-info> <expiration-cache>30</expiration-cache> </portlet> *CacheDemo.jsp* <%@page import="java.util.Date"%> <H1> Hello Friends, I am cached contents !! </H1> <%= new Date() %> *Platform* : Jboss Portal 2.7.2 *Problem :* When I refresh the page after 30 seconds, the portlet vanishes from the Portal page. When I again refresh the page immediately, the portlet appears, with the cached contents. That is, it does not show the current date ----------------- Thanks Umesh Pathak -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/585438#585438] Start a new discussion in JBoss Portal at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2011]
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