An error occurred

[#1]

I get this error at random times, with or without user interaction. Very baffling.

An Error Occurred

The app has been closed. To continue working, please refresh the app.

Attached is the js error that shows, I can't figure out what causes it but it seems to be a deep seeded issue in the Qlik code. Anyone have this issue or know how to fix it?

I am on Qlik sense 3.0 src3 -- Which is up to date as a few weeks ago, but I might need to look into upgrading soon.

[#2]

UPDATE:

I have updated to 3.1, and noticeably it's more stable, but still has major issues. Also it takes you to the Base Sheets page an not the hub. See error screen shot attached, and error code below. This is pretty bad for our application as it's showing users what's behind the curtains. Any help on these errors would be appreciated.

require.js?1474643886398:44TypeError: Cannot read property 'Invalidated' of undefined
    at G (client.js??1474643886398:167)
    at client.js??1474643886398:167
    at n.$digest (require.js?1474643886398:45)
    at require.js?1474643886398:45
    at e (require.js?1474643886398:43)
    at require.js?1474643886398:43(anonymous function) @ require.js?1474643886398:44(anonymous function) @ require.js?
1474643886398:44$digest @ require.js?1474643886398:45(anonymous function) @ require.js?1474643886398:45e @ require.js?1474643886398:43(anonymous function) @ require.js?1474643886398:43

require.js?1474643886398:44TypeError: Cannot read property 'getLayout' of undefined
    at client.js??1474643886398:167
    at n.$digest (require.js?1474643886398:45)
    at require.js?1474643886398:45
    at e (require.js?1474643886398:43)
    at require.js?1474643886398:43

[cortiz_intelleg]

Hi,

Did you solve the problem?

Thanks.

Regards

[#4]

Hello, Troy

Could you figure out what was causing your problem?

We are having the same issue here. App works OK when running from the server (remote desktop) but from client browsers we get the "app has been closed" sooner or later (Sadly, it is more sooner than later).

We are running a virtualized server, and just to diagnose, we installed a physical PC. In that PC error is less frecuent, but still happens.

I you could share your experience it will be welcome!

Thanks,

Jorge R.

[Anna_Klimkova]

Hi!

1. Do your have enough memory on the server?

2. Try to extend Keep-alive timeout from 10 to 100

QMC> Start > Proxies > Central > Edit >  Properties:Advanced > Keep-alive timeout (seconds)

https://help.qlik.com/en-US/sense/3.1/Subsystems/ManagementConsole/Content/edit-proxies.htm

[#6]

Hello Anna,

Thanks for your help.

The server has 32 GB RAM, do not think that is an issue.

Keep-alive timeout is already set at 200 seconds.

Regards,

Jorge R.

[Anna_Klimkova]

Hi Jorge!

Check your Windows Events logs.

Some other programs can close the connection. There's no session recovery in Qlik Sense.

It could be Browser or Proxy timeouts, Firewall or Antivirus disconnects.

Do you have load balancer or proxy before Qlik Sense?