We hava a small farm of servers running JBoss 4.0.1. On a certain webpage we
can see how many active sessions are running on each server. Since we upgraded
from JBoss 3.0.8 to 4.0.1 all servers report the same amount of sessions.
If I run the following code from the command line all works perfectly. But if I
run (roughly) the same code in a servlet or strutsaction all servers report
the same amount of sessions. Does JBoss cache the RMIAdaptor? What am I doing
wrong?
public class JMXBrowser
| {
|
| public static InitialContext getContext(String serverUrl)throws
NamingException
| {
| Properties props = new Properties();
|
props.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");
|
props.put(Context.URL_PKG_PREFIXES,"org.jboss.naming:org.jnp.interfaces");
| props.put(Context.PROVIDER_URL, serverUrl);
| InitialContext ic = new InitialContext(props);
| return ic;
| }
|
| /**
| * @param args the command line arguments
| */
| public static void main(String[] args) throws Exception
| {
| String[] servers = new String[2];
| servers[0] = "10.241.13.72:1099";
| servers[1] = "10.241.13.69:1099";
|
| for (int i=0; i < servers.length; i++)
| {
| InitialContext ctx = getContext(servers[ i ]);
| RMIAdaptor adaptor = (RMIAdaptor)
ctx.lookup("jmx/invoker/RMIAdaptor");
| Integer count = (Integer) adaptor.getAttribute(new
ObjectName("plato:service=WebAppService"), "ActiveHttpSessionCount");
| System.out.println("Server " + servers[ i ] + ": #sessions: " +
count);
| }
| }
| }
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