Return true to not close the connection on read error
Return true to not close the connection on read error

(cherry picked from commit 9868d113a9f83e9353b902c4414ee93548fff357)

uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend