Apache Nifi - ConvertJSONtoSQL 处理器

Question

I installed everything on Windows:

1- MySQL
2- Apache Nifi

My flow goes fine until it reaches the ConvertJSONtoSQL process attached error.

The purpose of the flow is:

• Get a .csv file
• Convert it to JSON format
• Convert JSON to SQL
• Dump the result to a table

The illustration of the current flow:

Answer 1

Sorry, the question was why it shows me that warn. But yesterday, after a while, I figured out that was because I have to insert a username and password in one of the box inside the processor.