Redmine

Hi all, appreciate for all help first, I have struggled for couple of days, I have tried to install redmine on my raspberry pi and got the following when try to access it.

exit (SystemExit)
  /usr/share/redmine/config/environment.rb:10:in `exit'
  /usr/share/redmine/config/environment.rb:10:in `<top (required)>'
  config.ru:3:in `require'
  config.ru:3:in `block in <main>'
  /var/lib/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `instance_eval'
  /var/lib/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `initialize'
  config.ru:1:in `new'
  config.ru:1:in `<main>'
  /var/lib/gems/2.1.0/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:110:in `eval'
  /var/lib/gems/2.1.0/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:110:in `preload_app'
  /var/lib/gems/2.1.0/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:156:in `<module:App>'
  /var/lib/gems/2.1.0/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
  /var/lib/gems/2.1.0/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:29:in `<main>'

And here is my gem list and bundle list

Gems included by the bundle:
  * actionmailer (4.1.15)
  * actionpack (4.1.15)
  * actionpack-action_caching (1.1.1)
  * actionview (4.1.15)
  * activemodel (4.1.15)
  * activerecord (4.1.15)
  * activesupport (4.1.15)
  * arel (5.0.1.20140414130214)
  * awesome_nested_set (3.0.3)
  * builder (3.2.2)
  * bundler (1.11.2)
  * coderay (1.1.1)
  * concurrent-ruby (1.0.1)
  * erubis (2.7.0)
  * i18n (0.7.0)
  * jquery-rails (3.1.4)
  * json (1.8.3)
  * mail (2.6.4)
  * mime-types (3.0)
  * mime-types-data (3.2016.0221)
  * minitest (5.8.4)
  * mysql2 (0.3.20)
  * net-ldap (0.14.0)
  * protected_attributes (1.1.3)
  * rack (1.5.5)
  * rack-openid (1.4.2)
  * rack-test (0.6.3)
  * rails (4.1.15)
  * railties (4.1.15)
  * rake (11.1.2)
  * redcarpet (3.3.4)
  * request_store (1.3.1)
  * rmagick (2.15.4)
  * ruby-openid (2.7.0)
  * sprockets (3.6.0)
  * sprockets-rails (2.3.3)
  * thor (0.19.1)
  * thread_safe (0.3.5)
  * tzinfo (1.2.2)

*** LOCAL GEMS ***

actionmailer (4.1.15, 4.1.8)
actionpack (4.1.15, 4.1.8)
actionpack-action_caching (1.1.1)
actionview (4.1.15, 4.1.8)
activemodel (4.1.15, 4.1.8)
activerecord (4.1.15, 4.1.8)
activesupport (4.1.15, 4.1.8)
arel (5.0.1.20140414130214)
atomic (1.1.16)
awesome_nested_set (3.0.3, 3.0.0)
bigdecimal (1.2.4)
builder (3.2.2)
bundler (1.11.2, 1.7.4)
celluloid (0.15.2)
coderay (1.1.1, 1.1.0)
coffee-rails (4.0.1)
coffee-script (2.2.0)
coffee-script-source (1.3.3)
concurrent-ruby (1.0.1)
erubis (2.7.0)
eventmachine (1.0.3)
execjs (2.2.1)
ffi (1.9.6)
hike (1.2.1)
i18n (0.7.0, 0.6.9)
io-console (0.4.2)
jbuilder (2.1.3)
jquery-rails (3.1.4, 3.1.2)
json (1.8.3, 1.8.1)
listen (2.4.0)
mail (2.6.4, 2.6.1)
mime-types (3.0, 1.25)
mime-types-data (3.2016.0221)
minitest (5.8.4, 5.4.2, 4.7.5)
multi_json (1.10.1)
mysql2 (0.3.20, 0.3.16)
net-http-persistent (2.9)
net-ldap (0.14.0, 0.8.0)
oj (2.10.3)
passenger (5.0.27)
polyglot (0.3.4)
protected_attributes (1.1.3, 1.0.8)
psych (2.0.5)
rack (1.5.5, 1.5.2)
rack-openid (1.4.2)
rack-test (0.6.3, 0.6.2)
rails (4.1.15, 4.1.8)
railties (4.1.15, 4.1.8)
rake (11.1.2, 10.3.2, 10.1.0)
rb-inotify (0.9.5)
rdoc (4.1.0)
redcarpet (3.3.4, 3.1.2)
request_store (1.3.1, 1.1.0)
rmagick (2.15.4, 2.13.2)
ruby-openid (2.7.0, 2.5.0)
sass (3.4.6)
sass-rails (4.0.3)
sdoc (0.4.1)
spring (1.1.3)
sprockets (3.6.0, 2.12.3)
sprockets-rails (2.3.3, 2.1.3)
sqlite3 (1.3.9)
test-unit (2.1.5.0)
thor (0.19.1)
thread_safe (0.3.5, 0.3.3)
tilt (1.4.1)
timers (1.1.0)
treetop (1.4.15)
turbolinks (2.2.2)
tzinfo (1.2.2, 1.1.0)
uglifier (2.5.3)
yajl-ruby (1.2.0)