PHP remote debugging: XDebug can't connect to JetBrains php Storm client

Question

i's like to get remote debugging to work with the following software configuration:

Win 7 Pro 64bit WAMP Server 2.2 (32bit) incl. Apache 2.2.22, PHP 5.4.3, XDebug php_xdebug-2.2.1-5.4-vc9.dll JetBrains PHPStorm 4.0.3

1.) WAMP is up and running, my site can be found under localhost/fox/

2.) PHP Storm has a project where there is a mapping between my sourcefiles and the apache alias localhost/fox

2.) I installed the php extension XDebug and added the following lines to my php.ini

[xdebug]
zend_extension="c:/wamp/bin/php/php5.4.3/zend_ext/php_xdebug-2.2.1-5.4-vc9.dll"
xdebug.remote_enable=On
xdebug.remote_host="localhost"
xdebug.remote_port=9000
xdebug.remote_connect_back=On
xdebug.remote_autostart=On
xdebug.profiler_enable=On
xdebug.profiler_enable_trigger=off
xdebug.profiler_output_name=cachegrind.out.%t.%p
xdebug.profiler_output_dir="c:/wamp/tmp"
xdebug.remote_log="C:/wamp/tmp/xdebug.log"
xdebug.remote_cookie_expire_time=6000

This should configure the Remote Debugging XDebug and the call back address.

I check already my installation here: xdebug.org/wizard.php

3.) I configured phpstorm, first i added the local server

and then checked my settings here

http://www.bilder-hochladen.net/files/jrn0-2-c81e-jpg-nb.html

( i tried 127.0.0.1/fox as Server address as well, and localhost instead)

hier my debug settings: http://www.bilder-hochladen.net/files/jrn0-1-c4ca-jpg.html

Now i restart my apache, i go into phpstorm, set a break point (it is red), click the function

Run  -> Start listen to PHP Debug Connections

The telephone receiver is turing into green, what ever that exactly could mean but it's a positiv signal to me.

When I now run my php Script on the local webserver absolutley nothing happens, the programm runs over the break point and does not stop.

In the Xdebuggers log (C:/wamp/tmp/xdebug.log) i find loads of these messages like these:

 I: Checking remote connect back address.
 I: Remote address found, connecting to ::1:9000.
 E: Could not connect to client. :-(
 Log closed at 2012-07-19 14:21:08

Somewhere in the internet i found the hint, that the windows firewall could block the communication so i turned it off completley but that did not help.

I also tried to connect via telnet to localhost:9000 and i got a response from phpstorm.

Has anybody an idea where to search the error or what else i could try to get this stuff working ?

Thank you very much for your help in advance, Michael

p.s. Sorry i am not allowed to post more than two links because I am new here, so therefor no hyperlink to the xdebug wizard.

Use TcpView, netstat, Process Explorer or similar tool to verify that PhpStorm is listening on port 9000. Then try to connect to it using telnet 127.0.0.1 9000. If telnet works, XDebug should also work. If not, it's some networking issue. — CrazyCoder
– CrazyCoder, Commented Jul 19, 2012 at 15:21
Are you using one of the PHPStorm bookmarklets from your browser to activate the debugger (or equivalent)? — redbirdo
– redbirdo, Commented Jul 19, 2012 at 15:35
Hi CrazyCoder, i forgot to mention that i tried the telnet and it worked phpstorm is listening. thx anyway. — cimmx
– cimmx, Commented Jul 19, 2012 at 16:28
1) You have xdebug.remote_connect_back=On, therefore this option is ignored xdebug.remote_host="localhost". 2) I suggest following this article -- works perfectly every time (try it on new simple project first): confluence.jetbrains.net/display/WI/… — LazyOne
– LazyOne, Commented Jul 20, 2012 at 9:10
"PHP Storm has a project where there is a mapping between my sourcefiles and the apache alias localhost/fox" -- possibly the problem is here. What kind of mapping? Where did you provide it ("Settings | PHP | Servers"? or maybe "Settings | Deployment" ? etc)? — LazyOne
– LazyOne, Commented Jul 20, 2012 at 9:12

Áxel Costas Pena · Accepted Answer · 2013-12-04 02:22:43Z

13

Maybe a bit late but...

Here you have a contradiction on your settings:

xdebug.remote_host="localhost"
xdebug.remote_connect_back=On

Those two settings overlap. What is your case?

a) You want to debug your application just from one single origin (for example, you are developing from and deploying to localhost).

Then you are almost done: you have already defined that the remote host is localhost. Comment out the remote_connect_back line (with ;)

b) You want to accept multiple development sources (for example, several machines debugging the application in the same network).

Then the remote_host line is being overriden, so you can remove or comment it.

This is effectively the configuration you are currently running. So, what's wrong with it? Check it out running this script:

<?
echo $_SERVER['REMOTE_ADDR'];

The output will be ::1. Well, the host which is making the request to your Apache server is localhost. And Apache is resolving that name as the IPv6 address ::1, which in the end is not wrong. But Xdebug is unable to connect to an IPv6 address. See:

I: Remote address found, connecting to ::1:9000.
E: Could not connect to client. :-(

So our goal will be to make Apache to resolve localhost preferably to an IPv4 address (without disabling any support for IPv6 at OS level nor at Apache level). This may be achieved by adding to your hosts file the next line:

127.0.0.1 localhost

This simple hack will do the trick! Now localhost will always preferably be resolved as an IPv4 address, while ::1 will still be perfectly understandable.

answered Dec 4, 2013 at 2:22

Áxel Costas Pena

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4 Comments

ikkez Over a year ago

thanks a lot. the trick with the hosts file was the missing key for me ;)

PersyJack Over a year ago

Ahh you are my hero. I spent the last two hours going through every internet article and they all had the remote_connect_back set. Thank you for explaining and saving my sanity.. +1

Áxel Costas Pena Over a year ago

Glad it has been useful. It's a shame the OP don't set the answer as true

tehCivilian Over a year ago

Thanks ! My xdebug was trying to connect with the IPv6 adress. Removed the remote_connect_back line and it worked.

sbarrat · Accepted Answer · 2012-07-25 18:39:26Z

6

You can try to disable IPV6 http://support.microsoft.com/kb/929852, I think this is the problem, when you try to connect.

Remote address found, connecting to ::1:9000.

System are try to connect with IPV6 and I think that XDebug are only enable to IPV4.

answered Jul 25, 2012 at 18:39

sbarrat

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1 Comment

Matthias Kleine Over a year ago

Thank you! My MAMP Pro virtual host configuration automatically adds IPv6 localhost entries (::1) to /etc/hosts. After removing them xDebug worked again as expected!

bear · Accepted Answer · 2013-03-10 15:10:56Z

0

Where exactly is your breakpoint in your code? I know that XDebug can be funny.

For PHP 5.4, your Xdebug settings should be

[XDebug]
zend_extension="<path to php_xdebug.dll>"
xdebug.remote_enable=1
xdebug.remote_port="<the port for XDebug to listen to>" (the default port is 9000)
xdebug.profiler_enable=1
xdebug.profiler_output_dir="<AMP home\tmp>"

http://www.jetbrains.com/phpstorm/webhelp/configuring-xdebug.html

answered Mar 10, 2013 at 15:10

bear

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2 Comments

johnsnails Over a year ago

What is xdebug.profiler_output_dir asking for? The path to tmp directory on the system? I am using Ubuntu, so should it be set too: /tmp ?

bear Over a year ago

@johnsnails The directory where the profiler output will be written to, make sure that the user who the PHP will be running as has write permissions to that directory. It defaults to /tmp

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