HI Michele,
please, read the sun jmx docs.
The default jmx server from java 5 starts a rmi registry and starts a
jmx server socket.
Currently the jmx server socket port change with every start from
your jvm. You can't
control the port or binding an ip address from command line. Please,
read the details at jmx api javadocs (javax.management.remote).
Peter
Am 14.09.2006 um 18:23 schrieb Michele Mazzucco:
I'm sorry Peter, but you didn't reply to my questions ;): with the out
of the box configuration, what happens if I want to connect this way:
JMXServiceURL url = new JMXServiceURL(
"service:jmx:rmi:///jndi/rmi://localhost:9999/server");
JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
what should I punt instead of "service:jmx...."? Does tomcat run a rmi
registry somewhere? If not, why can I access the MBeans exposed by
tomcat, even from remote nodes (from the admin console)?, should I
start
a rmiregistry in my web application?
If yes, which port is it used?
Thanks,
Michele
Peter Rossbach wrote:
Hi,
Am 14.09.2006 um 16:25 schrieb Michele Mazzucco:
Thanks Peter.
Peter Rossbach wrote:
Hi,
I don't know about this experiment, but it seems not finished.
Please,
use sun jdk command line args to start your jmx adapter.
I though tomcat used mx4j.
Only with JDK 1.4. See JDK 1.4 Compatability package at tomcat 5.5
donwload page.
One of the strange things of the current Java 5 JVM is: You can
only set
the naming port and not the real communication port :-(
This is obviously bad for people that use a firewall.
http://java.sun.com/j2se/1.5.0/docs/guide/management/
agent.html#properties
With JMX API you can set the communication port and socket address.
Peter
Michele
Am 14.09.2006 um 12:41 schrieb Michele Mazzucco:
Hi Peter,
thanks. But what about "out of the box" configuration?, the
org.apache.tomcat.servlets.jmxremote.JmxRemoteServlet creates a
rmi
registry on port 1099 and a jmx service url at
service:jmx:rmi://rmiHost/jndi/rmi://localhost:1099/jndiPath.
So the
question is, is rmi the default jmx protocol?
Thanks,
Michele
Peter Rossbach wrote:
Hi,
please read the docs
http://tomcat.apache.org/tomcat-5.5-doc/monitoring.html
Regards
Peter
Am 14.09.2006 um 11:23 schrieb Michele Mazzucco:
Hi all,
which kind of JMX connector does tomcat uses, rmi? If it is rmi,
which
port is it used? In which class is the JMX agent started?
Thanks,
Michele
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