Solve java.lang.ClassNotFoundException:com.microsoft.sqlserver.jdbc.SQLServerDriver problems

Ref: 50377802/

Today, when I was doing a project, I suddenly encountered a solution java.lang.ClassNotFoundException: Com.microsoft.sqlserver.jdbc.SQLServerDriver problem, know is the JDBC driver loading is not successful, but the project is normal operation Ah, but I changed a new open environment (notebook system Reloaded) just, Drive, The code is no problem, after repeated verification found the solution:
Copy the Sqljdbc4.jar to the Lib under the Web-inf in your project, and if you do not use tool development you can also go directly to Tomcat under your project.

Solve java.lang.ClassNotFoundException:com.microsoft.sqlserver.jdbc.SQLServerDriver problems