A while ago I posted this:

------- start of forwarded message -------
From: Dan D Niles <[EMAIL PROTECTED]>
To: [email protected]
Subject: Can't open <dir> for empty output
Date: Mon, 3 Apr 2006 16:46:20 -0500

I am seeing hundreds of thousands of these in my log:

  create d 755       0/0         512 usr
  create d 755       0/0         512 var
Can't open /backup/BackupPC/pc/<host>/new//f%2f/ for empty output
  create     0         /           0 
Can't open /backup/BackupPC/pc/<host>/new//f%2f/ for empty output
  create     0         /           0 
Can't open /backup/BackupPC/pc/<host>/new//f%2f/ for empty output
  create     0         /           0 

The backup eventually dies with "Child exited prematurely".  It was
working fine until 3/20/06.

[clip]
------- end of forwarded message -------

I starting getting these errors for a different host.  I manually
started an incremental backup to see if I could debug the problem.  I
noticed that NewFileList had size 0 and it failed with the empty
output error.  So I created a new file under /.  NewFileList was
then size 421 and the backup worked!

To test it further, I ran another incremental when that one was done.
The NewFileList had size 86, just two attrib lines.  The backup worked
fine.

It looks like this bug is triggered when the NewFileList is empty for
the first partition.  I'm not sure if the bug is that the NewFileList
should never be empty or in the handling of the empty file. Hopefully
someone familiar with the code can find the bug.

I am using the rsync transfer method.  The server is using BackupPC
2.1.2pl1 and rsync version 2.6.6 on FreeBSD 6.0-RELEASE-p7.  I've had
the problem with FreeBSD and Linux clients.

Thanks,

Dan


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