centos安装redmine为什么安装了i18n后还提示missing i8n

[i=s] 本帖最后由 shenqiyang 于 2011-10-15 19:50 编辑 [/i]

[root@localhost redmine]# ruby script/server webrick -e production &
[1] 8798
[root@localhost redmine]# Missing the i18n 0.4.2 gem. Please `gem install -v=0.4.2 i18n`

[1]+ Exit 1 ruby script/server webrick -e production
[root@localhost redmine]# gem install -v=0.4.2 i18n
Fetching: i18n-0.4.2.gem (100%)
Successfully installed i18n-0.4.2
1 gem installed
Installing ri documentation for i18n-0.4.2...
Installing RDoc documentation for i18n-0.4.2...
[root@localhost redmine]# ruby script/server webrick -e production &
[1] 8846
[root@localhost redmine]# Missing the i18n 0.4.2 gem. Please `gem install -v=0.4.2 i18n`

请问这是怎么回事啊？求解啊？？？？？？有谁知道啊？？？