Redmine

After importing a SQL dump using MySQL and restarting my PC, I receive the 502 Proxy Error when trying to open my Redmine database.
I have tried opening it through the other ports (e.g. 3001, etc) but nothing seems to work.
This is my apache2 error log:
[Mon Dec 02 17:15:24 2013] [error] [client 192.168.8.142] (OS 10054)An existing connection was forcibly closed by the remote host. : proxy: error reading status line from remote server 127.0.0.1:3001, referer: http://6yh38w1/
[Mon Dec 02 17:15:24 2013] [error] [client 192.168.8.142] (OS 10054)An existing connection was forcibly closed by the remote host. : proxy: error reading status line from remote server 127.0.0.1:3002, referer: http://6yh38w1/
[Mon Dec 02 17:15:24 2013] [error] [client 192.168.8.142] proxy: Error reading from remote server returned by /redmine/, referer: http://6yh38w1/
[Mon Dec 02 17:15:34 2013] [error] [client 192.168.8.142] (OS 10054)An existing connection was forcibly closed by the remote host. : proxy: error reading status line from remote server 127.0.0.1:3001, referer: http://6yh38w1/redmine/
[Mon Dec 02 17:15:34 2013] [error] [client 192.168.8.142] (OS 10054)An existing connection was forcibly closed by the remote host. : proxy: error reading status line from remote server 127.0.0.1:3002, referer: http://6yh38w1/redmine/
[Mon Dec 02 17:15:34 2013] [error] [client 192.168.8.142] proxy: Error reading from remote server returned by /redmine/, referer: http://6yh38w1/redmine/