jmx

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Jolokia: HTTP/JSON bridge for JMX

Very often there is a need to monitor the Java application server. For example, external monitoring tool, like Nagious/Zenoss/Zabbix needs to get some metrics, like heap memory usage or thread count.

Usual way to get that metrics is to setup access to application server via JMX.

But, sometimes, it is not possible to leave some other port opened for JMX and the only port available is HTTP(80 or 8080) or HTTPS(443 or 8443).

Here the Jolokia comes to rescue!

Webapp Inter-Communication in Tomcat

Sometimes you need to access services deployed in one web application from another web application within same application server. For Tomcat there is not so many options to do it. In this article we’ll discuss you how to use JMX for communication between web applications.

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