JSP Tomcat8.15 No suitable for jdbc:jdbc:sqlserver error -


i use jdbc4 driver jsp web project , imported jdbc4 jar. , run on web site successful when built , started eclipse build start button, has error when exported war files , ran tomcat 8.5 manual. message :

no suitable driver found jdbc:sqlserver://ip:port

so tried put jdbc4.0.jar in tomcat8.15/lib folder still invoke error. how should gonna do? why manual tomcat run occur jdbc error?


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