Finding problems in a program and trying to solve these.
Questions tagged [debugging]
202 questions
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Where do I find the Java command line tool "Gdb"?
Where do I find the Java command line tool "Gdb" ? It's not included in my Sun JDK 1.6 distribution. I need a way to take a java core dump from a live java instance.
djangofan
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1 answer
Simple MySQL query locking up until database restart
I have a very simple query that runs in 216ms on my development machine but was taking more than 45 seconds on my production server, that is, until I restarted MySQL there:
UPDATE `forum_categories` SET `post_count` = COALESCE(`post_count`, 0) + 1…
modulaaron
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2 answers
Where to get the source tar of zend debugger for PHP 5.3.x for linux?
I went here,but the web debugger only contains the windows version zenddebugger.dll, where to get the source tar of zend debugger or better the zenddebugger.so for linux?
yoyo
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2 answers
capture traffic between boards at PC using wireshark
I have two board connected using ethernet interface by means of switch. I have a linux machine connected to
the switch where I run wireshark. I assign same IP address range for both boards and the PC. I m able to communicate between all the…
kumar
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1 answer
Will logging debugging incur a performance hit if I don't turn debugging on?
On a Cisco device, I know that enabling debugging can incur a performance hit since debugging has such a high priority on the CPU. I know that to log debugging, you have to set logging up to the debugging level (logging buffered 4096 debugging, for…
romandas
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3 answers
Server stop responding, where to look to know what happened?
I have a server that has been running for well over 5 months and suddently it stop responding. I couldn't ssh into it or anything else so I decided to reboot it and the reboot fixed it.
I'm trying to figure out what happened and I'm not sure exactly…
Cerim
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3 answers
What's XDebug used for?
test:coverage relies on XDebug to
collect its information, you need to
install it and enable it first.
How does it work?
vps
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Google Shell doesn't see uploaded CSV file
I used the 'Upload' option to upload two files to Google Shell. The zip file went in without any issues and it seems like CSV file as well (there was a green checkmark next to it after the upload was completed). I also clearly see it when I run ls…
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How to investigate apache server becoming unresponsive
I'm running a Debian 11 Server with an Apache 2.4.56 server that only serves to redirect URLs to a memos docker container and the element frontend of my matrix instancee.
Unfortunately, the server becomes unresponsive for 20-30 minutes several times…
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Debugging Jenkins pipelines and shared library
We are using both scripted and declarative pipelines. In CI flow we are using Jenkinsfile and in some other flows we are using Jenkins GUI pipelines which triggers different functionality from shared library. Our shared library is divided to vars…
ssb
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Why server response time is more than a minute for a website, it happens for one website and other website loads fine?
I have multiple websites hosted on this server and one website "server response time" is very very high (more than a minute).
below are the findings... and i am unable to understand whats going wrong, and unable to understand the strace command…
Rajsekar Reddy
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1 answer
Tips to Debug CURL with a client - (56) Recv failure: Connection reset by peer site
A client of mine is trying to connect to our site via CURL. The command they are running is:
curl -Ik example.com
The response they receive is:
(56) Recv failure: Connection reset by peer site
They feel this response implies the issue must be on…
maestrojed
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0 answers
Debugging "upstream prematurely closed FastCGI request while reading upstream"
I am running an nginx + php-fpm setup. I recently ran into problem returning binary data to the Nginx server. Nginx show this in the error log:
2021/08/04 19:22:27 [error] 996463#996463: *1 upstream prematurely closed FastCGI request while reading…
Koala Yeung
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1 answer
/etc/login.defs settings not taken into account: password aging
The following is done on a Ubuntu 20.04 system.
This is the scenario where I am facing an issue:
I edit the password aging settings in the login.defs file
Then I change the password of the user with passwd user command
I check what settings were…
David
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Is it possible to install Windows Debugging Tools via Powershell?
I've installed LeanSentry on one of my web servers to try and diagnose some performance issues I've been having. I need to install Windows Debugging Tools (from the Windows SDK) to get some memory diagnostics back from my app hosted in IIS.
The…
andrewm
- 101