MySQL Error Cannot create JDBC driver of class '' for connect URL 'null'

[anup sadhu]

Hi All.

MySQL showing error on centos. MySQL version 5.7

16:42:22,985 ERROR ConnectionProvider:71 - Connection Pooling : java.sql.SQLException: Cannot create JDBC driver of class '' for connect URL 'null'
OnlineTE.org.common.en.exceptions.BIException

I have mention IP address or Localhost in connection string but still getting error. Unable to understand "null" value

[Dave Tolls]

What is the code on line 71 of ConnectionProvider?

[anup sadhu]

Hi,

Thanks for reply..

My context.xml

<Resource name="jdbc/appname" auth="Container" type="javax.sql.DataSource"
     maxTotal="10" maxIdle="5" maxWaitMillis="10000" removeAbandonedOnBorrow="true"
     username="root" password="passsword" driverClassName="com.mysql.jdbc.Driver"
     url="jdbc:mysql://ipaddress(or localhost):3306/dbname?autoReconnect=true"
     connectionProperties="useUnicode=yes;characterEncoding=utf8;characterSetResults=UTF8;"
     validationQuery="select 1" removeAbandonedTimeout="60" testWhileIdle="true"
             timeBetweenEvictionRunsMillis="300000" />
             

[Dave Tolls]

OK, so what is the full stack trace?