Month: May 2016

Where does ActiveMQ store subscriber information?

After subscribing, you will see an entry in the ACTIVEMQ_ACKS table… SQL> select container,client_id from esb.activemq_acks; CONTAINER CLIENT_ID —————————————- —————————————- topic://testTopic me topic://testTopic mysubscriber topic://testTopic mysubscriber2 SQL> Once unsubscribe has been run on the subscriber… ConnectionFactory connectionFactory=new ActiveMQConnectionFactory(“admin”, “admin”, “tcp://localhost:61616”);…

Simple camel project with full maven instructions

Generate maven project stub directory… mvn archetype:generate -DgroupId=com.yourcompany.it.arch.poc.esb -DartifactId=esbpoc -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false …then create the single class in our POC… package com.yourcompany.it.arch.poc.esb; import javax.jms.ConnectionFactory; import org.apache.activemq.*; import org.apache.camel.*; import org.apache.camel.builder.*; import org.apache.camel.component.jms.*; import org.apache.camel.impl.*; public final class App { public static…

Printing java command line flags

Just a quickie as I often forget this for some reason. If you need to obtain a particular switch, whether the default or as configured in a running process, what is below will get it for you. Normally, outside of…

Parsing ODI logs for scenario run time

Pretty random, but I needed this earlier this morning to troubleshoot a heap sizing issue in the ODI domain. This will print the scenario, the tid associated (needed if the same scenario is run more than once concurrently), and the…