How do i get a list of httpsessions currently active in container

Question

          what is the object that i can interact with to get a listing of active httpsessions
          within my application context (servlet container) at any given time? i know i
          can setup a listener, is this the only way? is there now direct api?
          thanks
          

Answer 1

I replied to this question in another email thread...
          "Vinod Mehra" <[email protected]> wrote in message
          news:<[email protected]>...
          > Here is a jsp to give you an idea. Unfortunately the session timeout
          > (max-inactive-interval) is not exposed in the runtime mbean. So you will
          > have to hardcode it for now. If you want it be exposed please ask support
          > for a patch.
          >
          > <%@ page import="weblogic.management.runtime.ServletSessionRuntimeMBean,
          > weblogic.management.MBeanHome,
          > weblogic.management.Admin,
          > java.util.Date,
          > java.util.Set,
          > java.util.Iterator,
          > weblogic.servlet.security.ServletAuthentication,
          > weblogic.management.runtime.WebAppComponentRuntimeMBean"
          %>
          > <pre>
          > <%!
          > private static final long TIME_OUT = 10; // seconds
          > %>
          > <%
          > // login as system user
          > // FIXME: don't hardcode username/passwords
          > ServletAuthentication.weak("system", "gumby1234", request, response);
          >
          > MBeanHome home = Admin.getInstance().getMBeanHome();
          > if (home != null) {
          > Set mbeanSet = home.getMBeansByType("ServletSessionRuntime");
          > Iterator mbeanIterator = null;
          > mbeanIterator = mbeanSet.iterator();
          > while (mbeanIterator.hasNext()) {
          > ServletSessionRuntimeMBean runtime =
          (ServletSessionRuntimeMBean)mbeanIterator.next();
          > WebAppComponentRuntimeMBean parent = (WebAppComponentRuntimeMBean)
          runtime.getParent();
          > out.print("ContextPath: " + parent.getContextRoot() +
          > " LastAccessedTime: " + new
          Date(runtime.getTimeLastAccessed()));
          > if (hasSessionExpired(runtime)) {
          > out.println(" <b>Invalidating expired session!!</b>");
          > runtime.invalidate();
          > } else {
          > out.println(" Session is still good");
          > }
          > }
          > }
          > %>
          > <%!
          > private boolean hasSessionExpired(ServletSessionRuntimeMBean runtime) {
          > return (runtime.getTimeLastAccessed() < (System.currentTimeMillis() -
          TIME_OUT * 1000));
          > }
          > %>
          >
          > hth,
          > Vinod.
          >
          "Randheer Gehlot" <[email protected]> wrote in message
          news:[email protected]...
          >
          > Vinod,
          > This class "ServletSessionRuntimeMBean" does'nt give you list of
          all
          > the active sessions in memory. Is there any class which holds list of all
          active
          > sessions in memory ?
          >
          > Thanks..
          > "Vinod Mehra" <[email protected]> wrote:
          > >If you have session monitoring turned on ...
          > >
          > >weblogic.xml:
          > >
          > > <container-descriptor>
          > > <session-monitoring-enabled>false</session-monitoring-enabled>
          > > </container-descriptor>
          > >
          > >... then you should be able to lookup the runtime mbeans
          > >(ServletSessionRuntimeMBean).
          > >
          > >This is what the admin console also uses.
          > >
          > >--Vinod.
          > >
          > >"ke" <[email protected]> wrote in message news:[email protected]...
          > >>
          > >> what is the object that i can interact with to get a listing of active
          > >httpsessions
          > >> within my application context (servlet container) at any given time?
          > > i
          > >know i
          > >> can setup a listener, is this the only way? is there now direct api?
          > >>
          > >> thanks
          > >
          > >
          >