Thanks for your reply.  I have also had this when testing locally but only 
when debugging the save process.  I noticed that the save failed when I 
stepped through the code, most likely due to a timeout.
In our case, it seems to be worse the longer the edit session stays open as 
I mentioned in my first post.  

Kind Regards,
David

As a work-around we are now using a local editor mapped to the server drive 
and that seems to not have these issues.
I would still like to see this solved (longer timeout?) but we have a 
work-around for the moment.

Regards,
David

On Thursday, November 7, 2019 at 9:30:41 AM UTC+1, Dave S wrote:
>
>
>
> On Wednesday, November 6, 2019 at 10:55:34 PM UTC-8, Davidiam wrote:
>>
>> Windows server 2016, IIS 10, Windows 10, Edge
>>
>> Version
>>
>> 2.18.5-stable+timestamp.2019.04.08.04.22.03
>> (Running on Microsoft-IIS/10.0, Python 3.6.8) 
>> Hello,
>>
>> A few of our developers have been experiencing this so I thought I would 
>> ask the forum for help.
>>  
>> If we edit a file in the web2py admin console, we often get a red 
>> communication error in the "Last saved on" field.
>>
>> I did some testing and I noticed that this happens pretty consistently if 
>> I save after about 90 seconds. It is almost as though the editing session 
>> times out.  
>> After a refresh of the page in the Edge web browser I can again do saves.
>>
>> If I save every 10 or 20 seconds, the saves are successful. 
>>
>> Has anyone else noticed this issue?  Or even better, is there a solution 
>> to this problem?
>>
>> I do not find any logging for this error.
>>
>> Kind Regards,
>> David
>>
>
>
>
> I get this kind of error occasionally.   Where it may be weeks between 
> errors.  But I'm running Windows desktop, not server, using Rocket instead 
> of IIS, and Chrome for the browser.  The webserver involved is only 
> accessed from the local machine.
>
> In my case, it seems the request times out (not the session), and that can 
> happen when Chrome is doing a lot of browser cache related accesses to 
> Rocket (as best as I can tell; the activity meter on the web2py "console 
> GUI" is almost continuously spiking even though I stop clicking on things; 
> it can persist indefinitely).  My treatment of these symptoms is to close 
> the browser window, wait for things to quiet down, and reopen the window.  
> (It may be possible to just close tabs, but I often have a dozen tabs 
> pointing at my applications or the admin pages.  Using the browser menu to 
> select "clear cache" doesn't seem to help.)
>
> I have also seen the error when there is a path or permission issue, IIRC, 
> but that is unlikely to explain your symptoms.
>
> Try a different browser to see if you get the same errors.  Monitor the 
> browser's background accesses to see if they spike during the session.
>
> Good luck!
>
> /dps
>
>  
>

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