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Number of JVM sessions

Distribution: official part of Check_MK
License: GPL
Supported Agents: Linux

This check allows to monitor the number of current connections to a JVM application (i.e. /host-manager or /my-web-app)

To use this plugin, Jolokia and the agent plugin need to be installed on the monitored server.

The check can alert if the WARN/CRIT thresholds for a configurable total is exceeded.


The name of the application server instance as configured by the agent followed by the name of the application. I.e. tomcat7 /examples


One check is created for each application running inside an Jolokia instance sent by the agent.