As shown, I used jmeter5.1, the request is being given a sql statement needs to query db:
Cause: not placed next to the driver package lib, you can download the sqljdbc4.jar; into C: \ tools \ apache-jmeter-5.1 at \ lib, restart jmeter.
Can be downloaded at the official website: https: //www.microsoft.com/zh-cn/download/details.aspx id = 54670?
Note: mysql-connector-java-5.1.31 MySQL driver package is connected, not connected to SqlServer.