Recently, I had to configure jolokia in my grails application. Jolokia is a JMX-HTTP bridge giving an alternative to JSR-160 connectors. Grails doesn’t provide web.xml directly to configure but you can do it by installing the templates. Just issue the following command on the terminal to install them:
grails install-template
This will install the templates in APP_ROOT/src/templates and you can find the web.xml at APP_ROOT/src/templates/war/web.xml.
Configuring the servlet is quite easy with the grails plugin. You can find the deployment descriptor closure in your plugin descriptor and configure servlets like:
def doWithWebDescriptor = { xml -> def servlets = xml.'servlet' servlets[servlets.size() - 1] + { servlet { 'servlet-name'('jolokia-agent') 'servlet-class'('org.jolokia.http.AgentServlet') } } def mappings = xml.'servlet-mapping' mappings[mappings.size() - 1] + { 'servlet-mapping' { 'servlet-name'('jolokia-agent') 'url-pattern'('/jolokia/*') } } }
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