Re: cross-platform backup tool Traceback of failed backup

Hi Robert,

could be a regression indeed. Do you mind creating an issue with the 
exact call you used?

Thanks, Eric

PS: Fedora, good distro choice :-)


On 29/10/2022 17:28, Robert Nichols wrote:
> Can someone please make sense of this traceback from a rdiff-backup 
> 2.0.5 client backing up to a rdiff-backup 2.1.3b3 server.
> 
> The directory /usr/lib/modules/5.19.12-200.fc36.x86_64/extra is deleted 
> since the previous backup. The entire 
> /usr/lib/modules/5.19.12-200.fc36.x86_64 subtree was deleted by the most 
> recent kernel update. It exists and verifies OK in the previous backup.
> 
> Warning: Local version 2.0.5 does not match remote version 2.1.3b3.
> Exception 'Either diff '<RORPath/140364064494144:
>      Index=('usr', 'lib', 'modules', '5.19.12-200.fc36.x86_64', 'extra')
>      Data={'type': None, 'filetype': 'snapshot'}>' or base 
> '<RPath/140364064904528:
>      Path=/media/sysbk/lenovo-F36/usr/lib/modules/5.19.12-200.fc36.x86_64/extra
>      Index=('usr', 'lib', 'modules', '5.19.12-200.fc36.x86_64', 'extra')
>      Connection=LocalConnection
>      Data={'type': None}>' must be a directory' raised of class '<class 
> 'AssertionError'>':
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 395, in error_check_Main
>      Main(arglist)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 417, in Main
>      take_action(rps)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 353, in take_action
>      Backup(rps[0], rps[1])
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 439, in Backup
>      backup.Mirror_and_increment(rpin, rpout, incdir)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/backup.py", 
> line 55, in Mirror_and_increment
>      DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
>    File 
> "/usr/lib64/python3.10/site-packages/rdiff_backup/connection.py", line 
> 526, in __call__
>      return self.connection.reval(*(self.name, ) + args)
>    File 
> "/usr/lib64/python3.10/site-packages/rdiff_backup/connection.py", line 
> 439, in reval
>      raise result
> 
> Traceback (most recent call last):
>    File "/usr/bin/rdiff-backup", line 32, in <module>
>      rdiff_backup.Main.error_check_Main(sys.argv[1:])
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 395, in error_check_Main
>      Main(arglist)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 417, in Main
>      take_action(rps)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 353, in take_action
>      Backup(rps[0], rps[1])
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/Main.py", line 
> 439, in Backup
>      backup.Mirror_and_increment(rpin, rpout, incdir)
>    File "/usr/lib64/python3.10/site-packages/rdiff_backup/backup.py", 
> line 55, in Mirror_and_increment
>      DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
>    File 
> "/usr/lib64/python3.10/site-packages/rdiff_backup/connection.py", line 
> 526, in __call__
>      return self.connection.reval(*(self.name, ) + args)
>    File 
> "/usr/lib64/python3.10/site-packages/rdiff_backup/connection.py", line 
> 439, in reval
>      raise result
> AssertionError: Either diff '<RORPath/140364064494144:
>      Index=('usr', 'lib', 'modules', '5.19.12-200.fc36.x86_64', 'extra')
>      Data={'type': None, 'filetype': 'snapshot'}>' or base 
> '<RPath/140364064904528:
>      Path=/media/sysbk/lenovo-F36/usr/lib/modules/5.19.12-200.fc36.x86_64/extra
>      Index=('usr', 'lib', 'modules', '5.19.12-200.fc36.x86_64', 'extra')
>      Connection=LocalConnection
>      Data={'type': None}>' must be a directory
> WARNING: this command line interface is deprecated and will disappear, 
> start using the new one as described with '--new --help'.
> NOTE: Extended attributes not supported by filesystem at path 
> /media/sysbk/lenovo-F36/rdiff-backup-data/rdiff-backup.tmp.0 due to 
> exception '[Errno 95] Operation not supported'
> Traceback (most recent call last):
>    File "/usr/bin/rdiff-backup", line 11, in <module>
>      load_entry_point('rdiff-backup==2.1.3b3', 'console_scripts', 
> 'rdiff-backup')()
>    File "/usr/lib64/python3.6/site-packages/rdiffbackup/run.py", line 
> 37, in main
>      sys.exit(main_run(sys.argv[1:]))
>    File "/usr/lib64/python3.6/site-packages/rdiffbackup/run.py", line 
> 105, in main_run
>      ret_val |= conn_act.run()
>    File 
> "/usr/lib64/python3.6/site-packages/rdiffbackup/actions/server.py", line 
> 66, in run
>      sys.stdout.buffer).Server()
>    File "/usr/lib64/python3.6/site-packages/rdiff_backup/connection.py", 
> line 404, in Server
>      self._get_response(-1)
>    File "/usr/lib64/python3.6/site-packages/rdiff_backup/connection.py", 
> line 448, in _get_response
>      req_num, object = self._get()
>    File "/usr/lib64/python3.6/site-packages/rdiff_backup/connection.py", 
> line 298, in _get
>      hdr=header_string))
> rdiff_backup.connection.ConnectionReadError: Truncated header <b''> 
> (problem probably originated remotely)
>