3
votes
4answers
167 views

Error handling - what to do with large error list?

We are rewriting our desktop application and we are thinking of improving the error handling and error notifications. Currently, it is only based on modal dialogs. But some of the messages contain ...
13
votes
8answers
2k views

Why are error codes on websites shown as “404 Not Found” [duplicate]

Most error pages on websites display http status codes in messages. Eg - "404 Not Found" Is that status code really helpful for a user? A previous question asked Are HTTP error codes ...
0
votes
3answers
45 views

Unknown page - what to do? Error or default (omision) page?

I'm currently working on a webpage whose links work as index.php?do=buy, ?do=sell, ?do=catalog, etc. However, I stopped for a second, and thought: what if someone changes it? (?do=idontexist) What ...
1
vote
1answer
49 views

How should I formulate a validation error message for a number field?

How should I formulate a validation error message for a number field? A number is expected. A number is required. The value should be a number. Number is not valid. Invalid number. Value is not a ...
2
votes
2answers
119 views

Can I ask a user to provide Mandatory description of the error?

In my app when an unhandled error occurs a popup window opens. It has a field to add additional info but it's optional. This is completely anonymous. Due to security issues I cannot use a stack-trace ...
2
votes
1answer
477 views

Design pattern for handling network connection errors

In case you didn't know, people are increasingly using smartphones. One problem that comes with smartphones is a shaky and unreliable internet connection. For "static" websites that primarily serving ...
2
votes
2answers
149 views

What's reasonable time lag before displaying a timeout message?

We're developing an online application and wondered what is the average/expected/reasonable about of time to make the user wait after form submission before we say "Hey sorry, we think there's a ...
0
votes
1answer
47 views

Related inputs workflow

This is the feature I need: Think of yourself as a part time employee. You are allowed to enter up to 2 time intervals to specify your availability for the day. So there are 4 ...
1
vote
1answer
220 views

How should one phrase validation error messages?

What is the best phrase to use considering that these are short error messages that is positioned right beside the labels / input they are referring to. For example, there's a missing email address, ...
40
votes
6answers
3k views

How can I highlight errors when bright red is the main color of the brand?

I'm working on a mobile website for a client whose main brand color is red. The website header and headings are all red. CTA buttons are red too. How can I effectively separate errors (mostly in form ...
37
votes
3answers
2k views

Humor on the deathbed

Here is a rather accurate description of an extremely rare situation, displayed by a program right before seppuku: cannot handle the fatal error due to a fatal error in the fatal error handler! ...
3
votes
2answers
219 views

Generic or dedicated error pages

The most common errorpage is the 404 error. Right now we are working on a website for a big client with several country websites. My idea for http errors is: One generic page which appologies for ...
2
votes
2answers
76 views

Do we need to indicate that an activity that ran very quickly didn't error-out immediately?

We have a system that has a few maintenance activities that run very quickly (less than a second). Problem is, when users look at the log file for the system, seeing an activity that ran for 0 seconds ...
11
votes
3answers
504 views

Should we be optimistic or pessimistic with UI updates on AJAX requests?

We are discussing in our team how best to handle UI updates after a user does something to cause an AJAX request to the server. Here are options we are considering: Instantly update the UI and ...
26
votes
4answers
26k views

How to create a useful 500 internal server error page

I'm trying to create a useful HTTP Error 500 Internal server error page and the recommendations I have found and the live examples I have stumpled upon use a very simple layout. They basically ...
5
votes
3answers
171 views

How do I inform the user a component has stopped working?

This is my design challenge: The idea is to have a separate component integrated into a website, displaying data retrieved from another system. When a problem occurs with this other system, we are ...