[Box Backup] bug report: choking on big file

Gary boxbackup at fluffy.co.uk
Wed Dec 21 14:28:01 GMT 2005

> Sending stream, size uncertain
> TRACE: Exception thrown: ConnectionException(Conn_TLSWriteFailed) at
> SocketStreamTLS.cpp(406)
> Send SetClientStoreMarker(0x4086a8512ccc0)
> SSL err during Write: error:1409F07F:SSL
> routines:SSL3_WRITE_PENDING:bad write retry

This is a known issue when diffing large files (with any distribution).
If the process goes over 300 seconds, the SSL layer connection times
out, and the data cannot be uploaded later on. You have to either set
MaximumDiffingTime to 300 in your backup config file, or use a modified


... which includes a KeepAlive command to allow for longer diffs. This
issue is to be fixed in the next upcoming version of BoxBackup.


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