This is the place for asking questions and requesting help when you try to get OpenNMS installed or you have a running system and have issues with it’s configuration.
Please provide some information when you ask for help like:
- OpenNMS version numbers
- Operating System and version number
- Oracle Java or OpenJDK with version
- PostgreSQL version
- Have you tried to upgrade from an earlier version before your problem exist?
You will find more detailed information in the How to get information about my running OpenNMS instance article.