thufir@doge:~/groovy$
thufir@doge:~/groovy$ groovy jms.groovy
Caught: groovy.lang.MissingMethodException: No signature of method: static GroovyJMSExample.sendMessage() is applicable for argument types: () values: []
Possible solutions: sendMessage()
groovy.lang.MissingMethodException: No signature of method: static GroovyJMSExample.sendMessage() is applicable for argument types: () values: []
Possible solutions: sendMessage()
	at GroovyJMSExample.main(jms.groovy:21)
thufir@doge:~/groovy$
thufir@doge:~/groovy$ cat jms.groovy
@Grab(group='net.sf.gtools.jms', module='JmsCategory', version='0.2')
@Grab(group='org.apache.activemq',module = 'activemq-all', version='5.9.0')
@Grab(group="junit", module="junit", version="4.11")
import net.sf.gtools.jms.JmsCategory
import org.apache.activemq.ActiveMQConnectionFactory


class GroovyJMSExample {
    def sendMessage() {
        use(JmsCategory) {
            def jms = new ActiveMQConnectionFactory('tcp://localhost:61616')
            jms.connect { c ->
                c.queue("TEST-queue") { q ->
                    def msg = createTextMessage("test")
                    q.send(msg)
                }
            }
        }
    }
    static void main(String[] args) {
        sendMessage()
    }
}

thufir@doge:~/groovy$