After reinstalling the Data Collector will shut down after restarting. The following error was seen in the activemq.log file
Could not start network bridge between ..... due to: hostname can't be null
Dx NetOps Performance Management any version
1. Edit the /opt/IMDataCollector/broker/apache-activemq-x.xx.x/conf/activemq.xml
2. Review the <networkConnectors> section
3. Examine the networkConnector lines and make sure there is a valid hostname in the URL for each port (61616, 61618, 61620, 61622)
4. Restart the data collector and activemq