Mr N

I have just spent the last 2 days looking for why my Spring container (under Tomcat) was getting ClassNotFoundException and NoClassDefFoundError during start up. There is so much mis-leading stuff in the Internet. I had 2 projects in Eclipse: the cor… more »

The Apache Tomcat instructions on this are here but they are both worse than useless and totally acurate. It starts we the sentence: This section of the documentation applies to procrun 1.0, and is now obsolete Great! Now what. There is no link to… more »

JMX can incur an overhead to an application so many libraries have an option to switch it on explicitly. In order to get a JMX view into ActiveMQ (JMS implementation) you must switch on JMX on the container and on the ActiveMQ library. To active JM… more »

In order to switch on JMX to monitor a Tomcat instance you must firstly switch it on and then tell it what port to listen on. There is also optional support for user names and passwords. JMX helps with remote management and as a consequence will generall… more »

In order to get JMX information out of a running instance of Tomcat under Eclipse, you must add the Sun's JMX Remote Management debug option to the start-up command of Tomcat. Goto the Servers pane at the bottom of the screen. (Or Window->Show Vie… more »