The delete queue command results in error “Cop: delete queue failed: que_NOEXIST: Queue does not exist” (4301715)

Following errors are observed when attempting to delete a queue using “delete queue” command:

sp_ctrl (alvsupu16:5438)> delete post queue queue1 for o.ORA11GR2 cleartrans

   cnc_delete_queue() Queue error - user/queue was not deleted; Check event_log

for details.

The event log shows the following errors:

sp_ctrl (alvsupu16:5438)> show log reverse

Error    2017-05-11 16:54:00.385985 22633 1 Cop: delete queue failed: que_NOEXIST: Queue does not exist  [module cop]

Notice   2017-05-11 16:54:00.385436 28267 1 User command: oracle delete queue queue1:P for o.ORA11GR2 (from alvsupu16)