Replicator could produce log segments with duplicated segment numbers. #8755
Description
Steps to reproduce:
Classic Server must be used !
Prepare and configure database ready for replication (enable publishing, put corresponding record into replication.conf, etc).
There is no need to prepare replica.
Check and remember current replication sequence number, using gstat -h.
Run two isql sessions.
Let first session do nothing for a while.
In second session insert record into replicated table and commit.
Exit second session.
Current log segment should be archived at this moment.
In first session insert record into replicated table and commit.
Exit first session.
Check replication.log, it should contain message
WARNING: Destination journal file XXX exists, it will be overwritten