Apache CXF metrics with Apache Karaf Decanter
Recently, I had the question several times: how can I have metrics (number of requests, request time, …) of the SOAP and REST services deployed in Apache Karaf or Apache Unomi (also running on Karaf). SOAP and REST services are often implemented with Apache CXF (either directly using CXF or using Aries JAXRS whiteboard which uses CXF behind the hood). Apache Karaf provides examples how to deploy SOAP/REST services, using different approaches (depending the one you prefer): https://github.com/apache/karaf/tree/master/examples/karaf-soap-example https://github.com/apache/karaf/tree/master/examples/karaf-rest-example CXF Bus Metrics feature Apache CXF provides a metrics feature that collect the metrics we need. Behind the hood it uses dropwizard library and the metrics are exposed as JMX MBeans thanks to the JmxExporter . Let’s take a simple REST service. For this example, I’m using blueprint, but it also works with CXF programmatically or using SCR. I have a very simple JAXRS class looki