Node JS Mysql PROTOCOL ENQUEUE AFTER FATAL ERROR

Question

What does the error mean?

{ [Error: Cannot enqueue Query after fatal error.] code: \'PROTOCOL_ENQUEUE_AFTER_FATAL_ERROR\', fatal: false }

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Answer 1

I had similar issue connecting with MySQL. I solved this issue using connection pool. The concept is to get a connection from a connection pool only when required and release it after use. That way the connection will not be in unstable state. You can get implementation details here.