On 03/11/2010 12:15, GF wrote: > Hello. > i've not access to Tomcat's server.xml where the sysadmins defined a resource: > > <Resource driverClassName="oracle.jdbc.driver.OracleDriver" > maxActive="65" maxIdle="30" maxWait="5" name="myDatasource" > type="javax.sql.DataSource" url="jdbc:....." /> > > I wish to discover from a web appplication deployed on that Tomcat > what's the configuration "maxActive" for myDatasource. > > Is there a way to discover it? > Thank you.
JMX. Connect a JMX client (JConsole) to your Tomcat instance and look up the DataSource name & attributes. // check JMX names, something like: String dsName = "Catalina:type=DataSource,name=jdbc/DBName"; String attrib = "maxActive"; // property name MBeanServerConnection mbsc = ManagementFactory.getPlatformMBeanServer(); Set<ObjectName> names = mbsc.queryNames(ObjectName.getInstance(name), null); ObjectName ds = names.iterator.next(); Integer maxActive = mbsc.getAttribute(ds, attrib); YMMV p
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