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Questions tagged [debugging]

Debugging ranges in complexity from fixing simple errors to performing lengthy and tiresome tasks of data collection, analysis, and scheduling updates.

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56
votes
18answers
15k views

What is it called when several bugs cancel each other out?

Is there any name for a situation where two bugs cancel each other out and in the result, the software works as expected? For example, suppose software A calculates a value and mistakenly value X is ...
2
votes
1answer
121 views

Working just on branch or line coverage could prevent us from finding which defect?

Achieving branch coverage is possible but it doesn't mean complete testing. What kind of defect you can find with this technique? what kind of risk you could have with this technique? what possible ...
3
votes
2answers
50 views

Is there a browser extension that can record all user activity on a site, for the purposes of reporting bugs

We have a bug report coming in which is extremely user-specific, only one user is reporting it and furthermore they are only getting the error on their office wifi. it would help me to able to see ...
-1
votes
3answers
647 views

Web app accessible to everyone on a random day?

I need to jot down debugging steps for below scenario : "You are hosting a web app in your server which is accessible only to a particular set of people. But on an unusual day, all the people are able ...
3
votes
4answers
206 views

How to teach test automation engineers to use a debugger

Context: It seems a lot of test engineers do not know how to use a debugger. This is based on the fact that we get a lot of null-pointer exception questions that can easily be solved if you know how ...
2
votes
3answers
90 views

How do I determine the source of a defect?

When I find a defect, how can I know if it is a defect or it is an environmental issue? Usually, the application under test interacts with other systems, so, for example, I will be testing on one ...
5
votes
3answers
2k views

On what metrics are the debugging skills of an interview candidate assessed?

In one of my recent interviews, they were assessing the debugging skills of a candidate with this question: When you upload a picture in Facebook, it fails. But it works in your friend's system. ...
0
votes
2answers
28 views

Use debugger on one of the source file of the large application [closed]

Suppose we want to use debugger on certain source file of the application by setting breakpoints, so until those breakpoints are hit we can not start debugging. My question is how can we know what ...
1
vote
0answers
494 views

How can I debug karma tests without changing PhantomJS to Chrome in Visual Studio Code

I have karma tests that during execution runs PhantomJS. Unfortunately, when some of those tests fail, error messages are not very helpful. Thus, I would like to debug them. However, most sources ...
1
vote
2answers
535 views

How to use the Blazemeter Step-by-step debugger?

I have added the Step-by-step debugger via the JMeter plugins manager but I don't have any idea how to start using it. Any suggestions on how I can start using it for debugging purposes?
3
votes
1answer
1k views

How to debug events not firing after clicking continue button?

I have an automated script that fills out guest information and clicks a 'Save and Continue' button to proceed to the next page. The button is being clicked correctly because it becomes disabled but ...
16
votes
6answers
3k views

How can I isolate bugs of users that we are not able to replicate?

I am having a recurring problem where bugs are cropping up once or twice in a build, and are reported by users but I and my team are not able to replicate them. What techniques do you use to ...
5
votes
2answers
589 views

Most famous concurrency bugs?

Following What is the most famous computer bug of all time?, what are the most famous concurrency-related bugs? "Famous" means that the issue enjoyed coverage in mass media. Embarassingly costly ...
15
votes
9answers
3k views

Fix All Warnings And Errors: what is the history of this code quality tactic?

Fix all warnings and errors. Do not tolerate any error messages in your application logs but fix them as soon as they appear. I first read a similar passage perhaps in 1999. Since then I have ...
1
vote
2answers
124 views

Debugging with Selenium

Recently my team has been implementing Windows API into our framework and moving away from Selenium. So far I have found many benefits to functional browser testing with Windows API over Selenium. The ...
2
votes
1answer
652 views

How to use debug in HP Load Runner?

Does any one know how to use debug in HP Load Runner? It is possible to set break point, but there is no debug run mode (not in main menu, not in hot-buttons menu). Here is quote from online ...
2
votes
0answers
391 views

Tool to track GDI Handle Leaks [closed]

An application has GDI Leaks, which I detected with NirSoft GDIView. Now that I know there is a GDI Handle leak, I need a more professional tool with the following properties: works on Windows 7 and ...