Visual Studio Code PHP Debug does not stop on breakpoints for Docker project

Question

I cannot get the VS Code extension "Php debug" to stop on any breakpoints. I am running the php project (that I want to debug) from Docker on my Ubuntu laptop. Any advice greatly appreciated.

My set up:

PHP version on Docker: 7.1
XDebug version on Docker: 2.6.1
PHP Debug version in VS Code (on my laptop): 1.12.6

My VS Code launch.json file is:

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Listen for XDebug",
            "type": "php",
            "request": "launch",
            "port": 9000,
            "log": true,
            "pathMappings": {
                "/var/www/html": "/home/chris/my-test-debugging-project"
            }
        },
        {
            "name": "Launch currently open script",
            "type": "php",
            "request": "launch",
            "program": "${file}",
            "cwd": "${fileDirname}",
            "port": 9000
        }
    ]
}

my /usr/local/etc/php/conf.d/xdebug.ini config is:

zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so
xdebug.remote_enable=1
xdebug.remote_autostart=1
xdebug.remote_host=172.17.0.2
xdebug.remote_log=/var/www/html/xdebug.log
xdebug.remote_connect_back=0
xdebug.remote_port=9000

XDebug logfile (from setting xdebug.remote_log in php.ini):

    Log opened at 2018-10-14 05:47:16
    I: Connecting to configured address/port: 172.17.0.2:9000.
    W: Creating socket for '172.17.0.2:9000', poll success, but error: Operation now in progress (29).
    E: Could not connect to client. :-(
    Log closed at 2018-10-

14 05:47:16

The PHP Debug log output (from setting "log": true in launch.json):

<- launchResponse
Response {
seq: 0,
type: 'response',
request_seq: 2,
command: 'launch',
success: true }

lines in the xdebug.ini have changed in xdebug 3

ambassallo
– ambassallo

2021-05-27 06:18:41 +00:00
Commented May 27, 2021 at 6:18 — ambassallo
– ambassallo, Commented May 27, 2021 at 6:18

MikeSchinkel · Accepted Answer · 2018-10-16 12:42:26Z

1

Try setting xdebug.remote_connect_back=1 and let me know if that works.

If it does we should probably close this question as a duplicate of the question that I previously answered.

answered Oct 16, 2018 at 12:42

MikeSchinkel

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1 Comment

ambassallo Over a year ago

This has been renamed to xdebug.discover_client_host in xdebug 3

Ntwobike · Accepted Answer · 2018-10-16 12:10:55Z

0

As i know 9000 is the php-fpm port that use by default. So if you use the same port for the xdebug.remote_port=9000 It will not work. You can check that by nginx conf as an example mine cat /etc/nginx/conf.d/site.conf you can check the line fastcgi_pass 127.0.0.1:9000; or run lsof -n -iTCP:9000 | grep LISTEN will show if its utilized. I would suggest you to

change it to something not used ex: 10000
xdebug.remote_host might wrong, login to the container and try to ping the 172.17.0.2 if it is not working your xdebug.remote_host is wrong. Find the ip of the host machine replace it with the current 172.17.0.2

edited Oct 16, 2018 at 12:10

answered Oct 16, 2018 at 11:57

Ntwobike

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1 Comment

ChrisTaylorDeveloper Over a year ago

I checked the ip and it was correct. I changed the port number but the result was the same unfortunatlely

Mario Rossi · Accepted Answer · 2019-05-19 14:27:23Z

I run a local linux web server on a VM. And using samba i mapped on a Windows device letter my share.I followed all the suggestions but the breakpoints where not working as supposed. I could only debug adding "stopOnEntry": true" to launch.json, but not on personally added breakpoints, they were all ignored. My problem was the path where my app was running, i fixed like this:

{
        "name": "Listen for XDebug",
        "type": "php",
        "request": "launch",
        "port": 9900,             
        "log": true,
       "stopOnEntry": false,
        "pathMappings": {
             "/var/www/html/booking" : "z:",

          }
 },

    {
        "name": "Launch currently open script",
        "type": "php",
        "request": "launch",
        "program": "${file}",
        "cwd": "${fileDirname}",
        "port": 9900
    }
]

}

This obiouvsly is my linux path -> "/var/www/html/booking" And this is drive mapped letter -> "z:"

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