during the process migration of Sonar (from 4.5.7 to 5.4), we faced to an issue. The migration failed with this message :
Cannot insert duplicate key row in object 'dbo.file_sources' with uni
que index 'file_sources_file_uuid_uniq'. The duplicate key value is...
My database is an MS SQL Server. She's configured in FRENCH_CI_AS. I tried to change it in FRENCH_CS_AS, but it didn't solve the problem.
I've observed that, each time we restart the migration, the number of processed files was different. BUT it always failed by processing for the same file. Any idea ?