Netbeans waiting for connection to XDEBUG

Question

Netbeans won't connect to xdebug. I've tried suggestions from the following posts:

Debugging IDE's port connection to XDebug: "Waiting to Connect"

netbeans shows "Waiting For Connection (netbeans-xdebug)"

but it doesn't fix my issue.

It seems Netbeans connects to xdebug because while it waits for the connection all request made to the webserver [Apache2] are blocked. Also the port [9001] appears to be in use:

roxy@Pixy011 ~ $ sudo nmap -sS -O 127.0.0.1

Starting Nmap 6.00 ( http://nmap.org ) at 2013-11-28 20:48 EST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000029s latency).
Not shown: 990 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
139/tcp  open  netbios-ssn
443/tcp  open  https
445/tcp  open  microsoft-ds
631/tcp  open  ipp
902/tcp  open  iss-realsecure
3306/tcp open  mysql
8080/tcp open  http-proxy
8081/tcp open  blackice-icecap
9001/tcp open  tor-orport   <---- Opened by java

xdebug.ini: [I have confirmed it is loaded in phpinfo()]

zend_extension=/usr/lib/php5/20100525/xdebug.so

xdebug.remote_autostart=1
xdebug.remote_enable=1
xdebug.remote_handler="dbgp"
xdebug.remote_mode="req"
xdebug.remote_host="127.0.0.1"
xdebug.remote_port=9001
xdebug.idekey="netbeans-xdebug"

Netbeans configuration:

Debugger port: 9001
Session ID: netbeans-xdebug
Stop at first line: Checked
All other options are unchecked

Project properties:

Host: 127.0.0.1
Port: 9001

Edit: I've noticed Netbeans doesn't append the XDEBUG_SESSION_STOP to the URL. I don't think this is related to the issue because Netbeans only opens the page after I close the debugging session.

I've also disabled SELinux