Redmine

There is no problem on my CentOS6.

$ LANG=C svn info
Path: .
URL: https://svn.redmine.org/redmine/trunk
Repository Root: https://svn.redmine.org/redmine
Repository UUID: e93f8b46-1217-0410-a6f0-8f06a7374b81
Revision: 14155
Node Kind: directory
Schedule: normal
Last Changed Author: jplang
Last Changed Rev: 14155
Last Changed Date: 2015-03-22 18:26:33 +0900 (Sun, 22 Mar 2015)

$ LANG=C svn update -r 14154
U    config/application.rb
U    config/environments/production.rb
Updated to revision 14154.

$ LANG=C svn update
U    config/application.rb
U    config/environments/production.rb
Updated to revision 14155.

$ LANG=C svn --version
svn, version 1.6.11 (r934486)
   compiled Feb 10 2015, 22:08:22

Copyright (C) 2000-2009 CollabNet.
Subversion is open source software, see http://subversion.tigris.org/
This product includes software developed by CollabNet (http://www.Collab.Net/).

The following repository access (RA) modules are available:

* ra_neon : Module for accessing a repository via WebDAV protocol using Neon.
  - handles 'http' scheme
  - handles 'https' scheme
* ra_svn : Module for accessing a repository using the svn network protocol.
  - with Cyrus SASL authentication
  - handles 'svn' scheme
* ra_local : Module for accessing a repository on local disk.
  - handles 'file' scheme

Oops, my bad.
My account don't have the permission to run 'svn update'.
Now it works again.
i am very sorry for the inconvenience.