Resolve JDO "duplicate class" error when running "mvn package" repeatedly.
Resolve JDO "duplicate class" error when running "mvn package" repeatedly.

superpiggy/octopus,superpiggy/octopus,protodef/octopus,bitnine-oss/octopus,bitnine-oss/octopus,kskim80/octopus,kskim80/octopus,protodef/octopus