#1 : CacheDB
In version 6.1, to use MSSQL DB as Cache DB was enabled while in v6.2, this functionality has been disabled.
#2 : Upgrade
I have followed upgrade instruction as per following link
https://www.knowage-suite.com/qa/2932/how-to-upgrade-from-knowage-6-1-1-ce-to-knowage-6-2-0-rc-ce?show=2932#q2932
Step 1 - In v6.2, while I open DATASOURCE option and test each of data source, no issue.
Step 2 - Clicking on option DATASET, error show 'DATASOURCE CANNOT BE NULL'.
Step 3 - Created a new dataset and save it successfully but can't see new as well old datasets due to error mentioned in step 2.
Step 4 - Tried to open Dashboards created with v6.1 but error 'UNABLE TO OPEN WIDGET........'.
For troubleshooting, I again started v6.1 and change the cachedb from SQL Server to Mariadb. Done upgrade process again.There is no status change for step 1,2,3 but step 4, I found dashboards running.
Help me to get the above issue solve. Without datasets, I can't move further.
Let me know if anyone need more information on above.
I also take this opportunity to thank Knowage Team for new version where I can see a huge transformation from 6.1.
Regards
Sameer