1665:20191210:172019.299 slow query: 290.653173 sec, "lock table maintenances in share mode"
  1664:20191210:172019.299 slow query: 287.644316 sec, "lock table maintenances in share mode"
  1662:20191210:172019.299 slow query: 293.398638 sec, "lock table maintenances in share mode"
  1663:20191210:172019.299 slow query: 291.391157 sec, "lock table maintenances in share mode"

  1664:20191210:172022.893 [Z3007] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
  1663:20191210:172023.019 [Z3007] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
  1665:20191210:172023.181 [Z3007] query failed: [-1] ORA-00060: deadlock detected while waiting for resource