ServerRuntimeMBean.isAdminServer()

Question

Hi,
in our portal application, we need to check if the administration server is up. We've got the following method :
public static boolean isAdminServerAlive(HttpServletRequest request) {
boolean isAlive = false;
MBeanHome adminBeanHome = null;
// Récupération des paramètres de connexion
String url = "t3://"+request.getServerName()+":"+request.getServerPort();
String username = WebAppAdmProfils.getParamValue("supervision.login");
String password = WebAppAdmProfils.getParamValue("supervision.password");
if(username == null || username.equalsIgnoreCase("") || password == null || password.equalsIgnoreCase("")) {
SUOLogger.logError(WebAppAdmProfils.getParams(), "SupervisionUtil.isAdminServerAlive() - Les paramètres supervision.login et/ou supervision.password sont mal renseignés dans le fichier de properties.");
return false;
try {
adminBeanHome = getAdminMBeanHome(url, username, password);
// liste de tous les serveurs
List serverRuntimeMBeans = getServerRuntimeMBeans(adminBeanHome);
Iterator itServerRuntimeMBeans = serverRuntimeMBeans.iterator();
while(itServerRuntimeMBeans.hasNext()) {
ServerRuntimeMBean serverRuntimeMBean = (ServerRuntimeMBean)itServerRuntimeMBeans.next();
// pour chaque serveur, on vérifie si c'est le serveur d'admin
if(serverRuntimeMBean.isAdminServer()) {
// si c'est le cas, ça veut dire qu'on a pu accéder au serveur d'admin
// et donc qu'il est vivant
isAlive = true;
} catch(Exception e) {
SUOLogger.logError(WebAppAdmProfils.getParams(), "SupervisionUtil.isAdminServerAlive() - Erreur lors de l'accès au serveur d'admin (il doit être arrêté).");
return isAlive;
This works on our integration environment where there is only one managed server and where the admin server is on the same machine than the managed server.
But on our production environment, this doesn't work. Our production environment is a cluster of 9 managed servers and the admin server is on another machine.
Is the MBean behavior different between a cluster and a non cluster environment ? Is it different if the admin server is not on the same machine than the managed servers ?
Thanks
Thomas

Answer 1

The ExecuteQueueRuntimeMBean interface does not appear anywhere in WebLogic
6.0 API documentation. But it is included in WebLogic 6.1 API documentation.
Still, this doc does not say how to get a reference to an
ExecuteQueueRuntimeMBean. I know that this is done via
ServerMBean/ServerRuntimeMBean, but this is not documented.
Paul
"Kumar Allamraju" <[email protected]> wrote in message
news:[email protected]..
if it's not documented, that means it's internal use only and it's
not safe to rely on internal API's as they might change in future
releases.
Kumar
Paul Tatavu wrote:
The ServerRuntimeMBean exposes an undocumented method that can be used
to
get the execute queue:
ServerRuntimeMBean.getExecuteQueueRuntime()
Is it safe to use this method? Will it be documented in future versions?
TIA,
Paul Tatavu