On 1/6/11 12:44 PM, Ziggy wrote:
> Hi,
>
> I am using JMX to connect to a Tomcat instance and looking at attributes for
> a jdbc datasource as shown below.
>
> MBeanServerConnection conn = jmxc.getMBeanServerConnection();
> ObjectName on = new
> ObjectName("Catalina:type=DataSource,path=/appdb,host=localhost,class=javax.sql.DataSource,name=\"jdbc/appdb\"");
> mbsc.getAttribute(on, "numIdle")
>
> Is there an Mbean provided by Tomcat that can provide me the following
> information
>
> - Whether Tomcat is runningWell you won't be able to connect to it to get the Bean if it's isn't. > - Whether a specific web app running under a specific context is runnin Catalina:type=WebModule,... etc > - The health of the environment in general (tomcat, OS etc) Define "health". > - Whether a JNDI datasource is available and if possible how many active > database connections there are and how many free. You've already got the DataSource above, why not connect JConsole to Tomcat and explore the other attributes? > I have been google'ing around but the majority of the examples talk about > writing your own Mbean and including it as part of the application. I am > trying to write an external client utility that will monitor the application > away from Tomcat. JConsole? VisualVM? p > Thanks >
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