It seems all version greater 1.15.3 introduce a failure on the processor
ConvertExcelToCSVProcessor with this error :
I have tested with 2 differences instances nifi version 1.15.3 ==> Work: OK
And since upgrade in 1.16, 1.17, 1.18 ==> same processsor failed with file greater than 10MB.
Could you help us to correct this bug ?