What thas it mean in Tomee Server Output ?
INFO: Using dictionary class "org.apache.openjpa.jdbc.sql.MySQLDictionary".
org.hsqldb.persist.Logger logInfoEvent
INFO: Checkpoint start org.hsqldb.persist.Logger logInfoEvent
INFO: checkpointClose start org.hsqldb.persist.Logger logInfoEvent
INFO: checkpointClose end org.hsqldb.persist.Logger logInfoEvent
INFO: Checkpoint end