Details
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Bug
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Status: Closed
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Major
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Resolution: Information Provided
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10.0, 11.0
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None
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OS: Debian GNU/Linux buster/sid amd64
NB10 - NB11
OpenJDK 11
PHP 7.x
Description
Product Version = NetBeans 10
Operating System = Debian GNU/Linux testing/sid up to date
openjdk version "11.0.1" 2018-10-16
OpenJDK Runtime Environment 18.9 (build 11.0.1+13)
Reproducibility: Happens every time
I'm not able to debug any PHP project. NB shows "Waiting For Connection (xdebug)", and it does not automatically open my PHP website in the browser tab, but the internal PHP Debugger state has nothing to do with the wait for xdebug connection.
Here is my xdebug configuration, which works correctly at least with Visual Studio Code for Linux :
zend_extension = /usr/lib/php/20180731/xdebug.so
xdebug.remote_autostart = 1
xdebug.remote_enable = 1
xdebug.remote_handler = dbgp
xdebug.remote_host = 127.0.0.1
xdebug.remote_mode = req
xdebug.remote_port = 9999
xdebug.profiler_enable_trigger_value="dbgp"
xdebug.trace_enable_trigger_value="dbgp"
xdebug.profiler_enable=0
xdebug.profiler_enable_trigger=1
xdebug.trace_enable_trigger=1
xdebug.profiler_output_dir="/var/log/xdebug"
xdebug.gc_stats_output_dir="/var/log/xdebug"
xdebug.trace_output_dir="/var/log/xdebug"
xdebug.remote_log="/var/log/xdebug/remote.log"
xdebug.coverage_enable=0
xdebug.extended_info=1
xdebug.profiler_append=1
xdebug.trace_options=1
xdebug.collect_params=1
I think either NB has a bug at DGBP protocol level, or the "Waiting For Connection (xdebug)" message does not reflect the real state of the PHP Debugger, at least in my case. More likely the latter.
Here are the contents of /var/log/xdebug/remote.log:
[23361] Log opened at 2019-01-20 10:55:27
[23361] I: Connecting to configured address/port: 127.0.0.1:9999.
[23361] I: Connected to client. 
[23361] -> <init xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" fileuri="file:///home/lucio/virtualbit/progetti/workspace/netbeans/bvacance/index.php" language="PHP" xdebug:language_version="7.3.0RC3" protocol_version="1.0" appid="23361" idekey="lucio"><engine version="2.7.0beta1"><![CDATA[Xdebug]]></engine><author><![CDATA[Derick Rethans]]></author><url><!//xdebug.org]]></url><copyright><![CDATA[Copyright (c) 2002-2018 by Derick Rethans]]></copyright></init>
[23361]
[23361] <- feature_set -i 0 -n show_hidden -v 1
[23361] -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="feature_set" transaction_id="0" feature="show_hidden" success="1"></response>
[23361]
[23361] <- feature_set -i 1 -n max_depth -v 2
[23361] -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="feature_set" transaction_id="1" feature="max_depth" success="1"></response>
[23361]
[23361] <- feature_set -i 2 -n max_children -v 30
[23361] -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="feature_set" transaction_id="2" feature="max_children" success="1"></response>
[23361]
[23361] <- feature_set -i 3 -n max_data -v 65536
[23361] -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="feature_set" transaction_id="3" feature="max_data" success="1"></response>
[23361]
However, when I try with Visual Studio Code for Linux, which works, the log file contents are completely different (which was expected), but a noticeable difference is the presence of "breakpoint_set" and "run" commands in the VSC case, that are missing in the NB case.
I suspect NB fails to start the browser tab for some reason and, as a consequence, fails to send the appropriate commands to xdebug.
What I know for sure is that the "Waiting For Connection (xdebug)" message is misleading at best in my case, because logs show the connection has correctly happened, and the problem is elsewhere.
I don't know if we need more precise messages about what's going on in NB to sort this out, so I don't know if the bug here is the approximate message, or the failure to open the browser tab, or a real problem in the DBGP protocol implementation.
Please note that, when I say NB does not open my site in the browser tab, I mean NB manages to open a new browser tab, but it fails to redirect it to my website, and I get only a new browser tab, pointing to a tmp file and showing a blank page.