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[Rdiff-backup-bugs] [bug #26679] Backward compatibility
From: |
anonymous |
Subject: |
[Rdiff-backup-bugs] [bug #26679] Backward compatibility |
Date: |
Tue, 26 May 2009 06:06:24 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b4pre) Gecko/20090401 Ubuntu/9.04 (jaunty) Shiretoko/3.5b4pre |
URL:
<http://savannah.nongnu.org/bugs/?26679>
Summary: Backward compatibility
Project: rdiff-backup
Submitted by: None
Submitted on: Tue 26 May 2009 06:06:23 AM UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
I use Ubuntu 9.04 on the client and Ubuntu 8.10 on the server, but the
versions are not compatibles :
$ rdiff-backup test rom-eeebox::test
/var/lib/python-support/python2.6/rdiff_backup/SetConnections.py:148:
DeprecationWarning: os.popen2 is deprecated. Use the subprocess module.
stdin, stdout = os.popen2(remote_cmd)
Warning: Local version 1.2.7 does not match remote version 1.1.16.
Exception '
Warning Security Violation!
Bad request for function: rpath.make_file_dict
with arguments: ['test']
' raised of class '<class 'rdiff_backup.Security.Violation'>':
File "/var/lib/python-support/python2.6/rdiff_backup/Main.py", line 304, in
error_check_Main
try: Main(arglist)
File "/var/lib/python-support/python2.6/rdiff_backup/Main.py", line 321, in
Main
rps = map(SetConnections.cmdpair2rp, cmdpairs)
File "/var/lib/python-support/python2.6/rdiff_backup/SetConnections.py",
line 78, in cmdpair2rp
return rpath.RPath(conn, filename).normalize()
File "/var/lib/python-support/python2.6/rdiff_backup/rpath.py", line 884,
in __init__
else: self.setdata()
File "/var/lib/python-support/python2.6/rdiff_backup/rpath.py", line 908,
in setdata
self.data = self.conn.rpath.make_file_dict(self.path)
File "/var/lib/python-support/python2.6/rdiff_backup/connection.py", line
450, in __call__
return apply(self.connection.reval, (self.name,) + args)
File "/var/lib/python-support/python2.6/rdiff_backup/connection.py", line
370, in reval
if isinstance(result, Exception): raise result
Traceback (most recent call last):
File "/usr/bin/rdiff-backup", line 30, in <module>
rdiff_backup.Main.error_check_Main(sys.argv[1:])
File "/var/lib/python-support/python2.6/rdiff_backup/Main.py", line 304, in
error_check_Main
try: Main(arglist)
File "/var/lib/python-support/python2.6/rdiff_backup/Main.py", line 321, in
Main
rps = map(SetConnections.cmdpair2rp, cmdpairs)
File "/var/lib/python-support/python2.6/rdiff_backup/SetConnections.py",
line 78, in cmdpair2rp
return rpath.RPath(conn, filename).normalize()
File "/var/lib/python-support/python2.6/rdiff_backup/rpath.py", line 884,
in __init__
else: self.setdata()
File "/var/lib/python-support/python2.6/rdiff_backup/rpath.py", line 908,
in setdata
self.data = self.conn.rpath.make_file_dict(self.path)
File "/var/lib/python-support/python2.6/rdiff_backup/connection.py", line
450, in __call__
return apply(self.connection.reval, (self.name,) + args)
File "/var/lib/python-support/python2.6/rdiff_backup/connection.py", line
370, in reval
if isinstance(result, Exception): raise result
rdiff_backup.Security.Violation:
Warning Security Violation!
Bad request for function: rpath.make_file_dict
with arguments: ['test']
Fatal Error: Lost connection to the remote system
Even if I understand the need of adding new features or modifying the
protocol, this non compatibility is not acceptable for me, especially with 2
versions separated by 6 months !
A backup manager must work with heterogeonous system, so a minor version of
the program should not break the compatibility.
To avoid the problem, the client and server should negociate the protocol
version, and the new versions should be able to switch to an older version of
the protocol automatically…
The client and the server
_______________________________________________________
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<http://savannah.nongnu.org/bugs/?26679>
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