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Questions tagged [debugging]

Finding problems in a program and trying to solve these.

202 questions
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Node app crashes after a while on micro EC2 instance even with supervisor

I'm using supervisor to start my node.js application on a micro EC2 instance. However, the app only stays running for some time until it eventually shuts down. Not exactly sure how long the app stays running but I'm guessing for about a few hours or…
Justin Meltzer
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Amazon EC2 instance - issuing "top" command just goes blank on the ssh terminal

I have created an Amazon EC2 micro instance, running Amazon AMI. I logged into the server using ssh client. Once it logs in successfully, if I issue the "top" command, the top output never shows up and the command never returns. It constantly waits.…
Keshav Prasad
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Should I Install Windows 2003 Server Debugging Symbols in a Production Environment?

I have a software vendor that has requested that we install the Windows debugging symbols and the desktop heap monitor in our production environment. The vendor is trying to determine if we are experiencing desktop heap exhaustion as the root cause…
Rob
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GRE debug: "adding 0 encap bytes"?

What this debug message actually means? Shouldn't encapsulation add 24 extra bytes or not? For what reason encapsulation is not adding bytes to original packet in this debug message? Dec 28 23:45:39.303: Tunnel0: GRE/IP encapsulated…
Boban P.
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Tools to help identify unknown server issue

We've been struggling to identify a issue where all our bespoke systems crash at least once a day. We haven't changed all our systems to we're trying to pin down what else has changed which is resulting in all of these crashes. We're also doing…
Mayuresh Walke
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Unable to start Apache2 service on Solaris 10

This is a default installation of Solaris 10 x86. No tweaks or customization. 1) I first enable apache2. bash-3.00# svcadm enable apache2 2) Restart apache2 bash-3.00# svcadm restart apache2 3) Check whether the service is running. bash-3.00# svcs |…
Arun Pc
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Apache/PHP Configuration question - Where else can info.php be disabled besides php.ini?

Sorry for the bone head Q. but I rarely need to reinstall my server :) I wish to enable phpinfo() function. My php.ini config file has the disable_functions directive blank--which I understand is the way to turn this feature off. Except this…
xtian
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Can only debug once

I can only debug a query once, after that I get this error and have to restart Management Studio. Unable to start T-SQL Debugging. Could not connect to computer '(local)'. The requested name is valid, but no data of the requested type was…
Stijn
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How can I grab a Memory Dump of my W3WP.exe process?

I'm tracking the CPU usage of a recent build I did to our Windows 2008 SP2 server. Here's the task manager screenie... See how it spikes? I wish to find out what are causing em. Before I do anything, I'm guessing I'll need a Memory Dump. Currently…
Pure.Krome
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Debug tips for intermittent slow responses from Confluence

I've started seeing a situation on our internal Atlassian Confluence instance where we get snappy performance most of the time, but a couple of times an hour requests (both read and write operations) just hang for up to a few minutes (longest I've…
gareth_bowles
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DHeapmon not reporting expected number of total desktops in IIS6

Hope someone can help me make sense of this. I'm trying to debug some COM+ errors we see in our production environment and a few of them report that the desktop heap is exhausted, so I installed Windows Debugging Tools and DHeapmon for starters…
tresstylez
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Debug Nexenta/OpenSolaris core files?

I have a Sun x4540 that was recently converted to NexentaStor Enterprise Edition from an earlier OpenSolaris. The system disks were wiped and the zpools were exported and reimported. I'm hosting roughly 30 virtual machines to VMWare vSphere over NFS…
ewwhite
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How do I troubleshoot network connectivity problems in windows?

I'd really like to understand how to debug my network connectivity issues, but everything I find on the internet is either for basic users on "How to add a wireless network" or it's people talking about enterprise-grade networking problems with…
Ikrima Elhassan
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How to debug website that isn't loading

So I've got a website up and running with nginx/php-fpm/ubuntu It works really well (and fast) and uses hardly any memory. My client started an ad campaign yesterday, and there were a couple times where for five or ten minutes at a time the website…
Matthew
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How to get more information from the system crash

I'd like to debug an issue I'm having with a linux (debian stable) server, but I'm running out of ideas of how to confirm any diagnosis. Some background: The servers are running DL160 class with hardware raid between two disks. They're running a lot…
viraptor
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