root@TOMS-VM:~# apt-get install redmine
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  ruby-json ruby-shadow
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  bundler dbconfig-common libjs-prototype libjs-scriptaculous rake ruby-actionmailer-2.3 ruby-actionpack-2.3 ruby-activerecord-2.3 ruby-rails-2.3
Suggested packages:
  ruby-rmagick ruby-openid bzr cvs darcs git mercurial subversion
Recommended packages:
  ruby-dev build-essential rubygems-integration javascript-common zip
The following NEW packages will be installed:
  bundler dbconfig-common libjs-prototype libjs-scriptaculous rake redmine ruby-actionmailer-2.3 ruby-actionpack-2.3 ruby-activerecord-2.3 ruby-rails-2.3
0 upgraded, 10 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/6,770 kB of archives.
After this operation, 18.4 MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Preconfiguring packages ...
Selecting previously unselected package rake.
(Reading database ... 27452 files and directories currently installed.)
Unpacking rake (from .../rake_0.9.2.2-4_all.deb) ...
Selecting previously unselected package libjs-prototype.
Unpacking libjs-prototype (from .../libjs-prototype_1.7.0-2_all.deb) ...
Selecting previously unselected package libjs-scriptaculous.
Unpacking libjs-scriptaculous (from .../libjs-scriptaculous_1.9.0-2_all.deb) ...
Selecting previously unselected package ruby-activerecord-2.3.
Unpacking ruby-activerecord-2.3 (from .../ruby-activerecord-2.3_2.3.14-2_all.deb) ...
Selecting previously unselected package ruby-actionpack-2.3.
Unpacking ruby-actionpack-2.3 (from .../ruby-actionpack-2.3_2.3.14-4_all.deb) ...
Selecting previously unselected package ruby-actionmailer-2.3.
Unpacking ruby-actionmailer-2.3 (from .../ruby-actionmailer-2.3_2.3.14-3_all.deb) ...
Selecting previously unselected package ruby-rails-2.3.
Unpacking ruby-rails-2.3 (from .../ruby-rails-2.3_2.3.14-4_all.deb) ...
Selecting previously unselected package dbconfig-common.
Unpacking dbconfig-common (from .../dbconfig-common_1.8.47+nmu1_all.deb) ...
Selecting previously unselected package bundler.
Unpacking bundler (from .../bundler_1.1.4-6_all.deb) ...
Selecting previously unselected package redmine.
Unpacking redmine (from .../redmine_1.4.4+dfsg1-1_all.deb) ...
Processing triggers for man-db ...
Setting up rake (0.9.2.2-4) ...
Setting up libjs-prototype (1.7.0-2) ...
Setting up libjs-scriptaculous (1.9.0-2) ...
Setting up ruby-activerecord-2.3 (2.3.14-2) ...
Setting up ruby-actionpack-2.3 (2.3.14-4) ...
Setting up ruby-actionmailer-2.3 (2.3.14-3) ...
Setting up ruby-rails-2.3 (2.3.14-4) ...
Setting up dbconfig-common (1.8.47+nmu1) ...

Creating config file /etc/dbconfig-common/config with new version
Setting up bundler (1.1.4-6) ...
Setting up redmine (1.4.4+dfsg1-1) ...
dbconfig-common: writing config to /etc/dbconfig-common/redmine/instances/default.conf

Creating config file /etc/dbconfig-common/redmine/instances/default.conf with new version

Creating config file /etc/redmine/default/database.yml.new with new version
granting access to database redmine_default for redmine@localhost: already exists.
creating database redmine_default: success.
verifying database redmine_default exists: success.
dbconfig-common: flushing administrative password

Creating config file /etc/redmine/default/database.yml with new version
NOTE: Gem.source_index is deprecated, use Specification. It will be removed on or after 2011-11-01.
Gem.source_index called from /usr/share/redmine/vendor/rails/railties/lib/rails/gem_dependency.rb:21.
/usr/lib/ruby/vendor_ruby/rake/version.rb:2: warning: already initialized constant VERSION
/usr/lib/ruby/vendor_ruby/rake/version.rb:5: warning: already initialized constant MAJOR
/usr/lib/ruby/vendor_ruby/rake/version.rb:5: warning: already initialized constant MINOR
/usr/lib/ruby/vendor_ruby/rake/version.rb:5: warning: already initialized constant BUILD
/usr/lib/ruby/vendor_ruby/rake/version.rb:6: warning: already initialized constant NUMBERS
/usr/lib/ruby/vendor_ruby/rake.rb:27: warning: already initialized constant RAKEVERSION
/usr/lib/ruby/vendor_ruby/rake/early_time.rb:17: warning: already initialized constant EARLY
/usr/lib/ruby/vendor_ruby/rake/alt_system.rb:32: warning: already initialized constant WINDOWS
/usr/lib/ruby/vendor_ruby/rake/application.rb:31: warning: already initialized constant DEFAULT_RAKEFILES
WARNING: Possible conflict with Rake extension: String#ext already exists
WARNING: Possible conflict with Rake extension: String#pathmap already exists
/usr/lib/ruby/vendor_ruby/rake/task_arguments.rb:77: warning: already initialized constant EMPTY_TASK_ARGS
/usr/lib/ruby/vendor_ruby/rake/invocation_chain.rb:49: warning: already initialized constant EMPTY
/usr/lib/ruby/vendor_ruby/rake/file_utils.rb:9: warning: already initialized constant RUBY
/usr/lib/ruby/vendor_ruby/rake/file_utils.rb:86: warning: already initialized constant LN_SUPPORTED
/usr/lib/ruby/vendor_ruby/rake/file_utils_ext.rb:16: warning: already initialized constant DEFAULT
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:44: warning: already initialized constant ARRAY_METHODS
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:47: warning: already initialized constant MUST_DEFINE
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:51: warning: already initialized constant MUST_NOT_DEFINE
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:55: warning: already initialized constant SPECIAL_RETURN
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:61: warning: already initialized constant DELEGATING_METHODS
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:364: warning: already initialized constant DEFAULT_IGNORE_PATTERNS
/usr/lib/ruby/vendor_ruby/rake/file_list.rb:370: warning: already initialized constant DEFAULT_IGNORE_PROCS
/usr/lib/ruby/vendor_ruby/rake.rb:68: warning: already initialized constant FileList
/usr/lib/ruby/vendor_ruby/rake.rb:69: warning: already initialized constant RakeFileUtils
rake aborted!
stack level too deep

(See full trace by running task with --trace)
dpkg: error processing redmine (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 redmine
E: Sub-process /usr/bin/dpkg returned an error code (1)

root@VB-VM-S-2-LDP02-GB:~# dpkg --list | grep redmine
iF  redmine                            1.4.4+dfsg1-1           all          flexible project management web application
ii  redmine-mysql                      1.4.4+dfsg1-1           all          metapackage providing MySQL dependencies for Redmine