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Update Flowmon OS 12.2.0 cause GUI error 500

 

Information

 

Summary:

After the upgrade of Flowmon OS to version 12.2.0 there is server error 500 on every page.

Environment:

Product: Flowmon OS

Version: 12.2.0

Platform: Any

Question/Problem Description:

How can I fix server error 500 after the upgrade to Flowmon OS 12.2.0?

Steps to Reproduce:  
Error Message: Server error 500
Defect Number: FLMON-4584
Enhancement Number:  
Cause:

User IDs are not migrated to UUIDs properly. 

How to confirm the issue:
Login to SSH of the Flowmon server and run the command:

grep 'invalid input syntax for type uuid: ""' /var/www/log/exception.log

If the output is not empty then the issue is confirmed.

Resolution:

1) Download the hotfix package - https://nextcloud.flowmon.com/index.php/s/XrsxC6rHeiarDwW

2) Copy the package via SCP (eg. using WinSCP tool) to the flowmon server, folder /home/flowmon/

3) Install the package via SSH with the command:

sudo update-device.sh /home/flowmon/flowmon-fix-db-uuid.tar.gz

4) Refresh the GUI

Workaround:  
Notes:  

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