The answer to this issue depends on how the QVF got corrupted. Common scenarios that we have seen at Qlik Support are:
- Server power failure
- Windows restart without gentle close down of processes
- Hard drive write failure
- Windows hibernation (most common on laptops)
- Qlik Sense Services stopped unexpectedly
- QVF file storage location unavailable, due to network issue
All the scenarios above are caused by external reasons that Qlik Sense will have a very hard time to manage in a controlled way. These scenarios are still feasible in every environment, so a recommendation is to make sure there are backups taken on regular interval to allow recovery in case of disaster.
Do you have any idea of when and how the file got corrupted?
From the log files it appears that you have other issues in this deployment. The host name is QlikView02, does that mean you have QlikView installed on the same host? Are the services running in a stable manner?
no idea about how it corrupted.
it was working fine fine until last working day. next day morning i opened the app in hub i got the message.
qliksense only installed.in host QlikView02. all the services are running fine. and other applications are also running fine.
same thing happened before once
In that case my suggestion is that you reach out to Qlik Support for further root cause analysis. Either contact you Qlik Partner or Qlik Support directly, depending on who provides support for your license.
Please provide the following details to enable root cause analysis:
My apps crashed many times, lost lots of charts i created, and I have to waste lots of time to recreate them. I wonder why this no autosave or auto backup feature, since current version of Qlik Sense is so unstable.