"Stale mailbox lock file detected, will override in 0 seconds"

Hi all dovecot members, I've received this notice from a dovecot server: "Stale mailbox lock file detected, will override in 0 seconds" I would like to know what it means. I've implemented a "Mail Proxy Server" in java, which connects to many accounts and f

"Stale mailbox lock file detected, will override in 0 seconds"

Hi all dovecot members,I've received this notice from a dovecot server:  "Stale mailbox lock file detected, will override in 0 seconds" I would like to know what it means. I've implemented a "Mail Proxy Server" in java, which connects to many accounts and folders, l