This section of the SNMP4J-Agent-DB FAQ contains articles about SNMP4J-Agent-DB version migration issues.
SNMP4J-Agent Versioning
In general, existing interfaces and methods are changed only in a backward compatible way in new minor and patch level versions.
Major version upgrades may contain changes that are not binary/source compatible with existing implementations. Migration strategies to upgrade your implementations to such new versions are described in this FAQ.