java.lang.NullPointerException: This exception has no message.

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at com.mysql.jdbc.ResultSet.checkRowPos(
at com.mysql.jdbc.ResultSet.getStringInternal(
at com.mysql.jdbc.ResultSet.getString(
at com.mysql.jdbc.Connection.loadServerVariables(
at com.mysql.jdbc.Connection.initializePropsFromServer(
at com.mysql.jdbc.Connection.createNewIO(

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