在spring开发中收集了几个常见的异常
(1)org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class
'com.microsoft.sqlserver.jdbc.SQLServerDriver'
答：sqljdbc.jar
(2)java.lang.ClassNotFoundException: org.springframework.ejb.config.JeeNamespaceHandler
答：spring-remoting.jar
(3)java.lang.ClassNotFoundException: org.springframework.scripting.config.LangNamespaceHandler
答：spring-support.jar
(4)java.lang.ClassNotFoundException: org.springframework.transaction.config.TxNamespaceHandler
答：spring-dao.jar
(5)java.lang.ClassNotFoundException: org.springframework.aop.config.AopNamespaceHandler
答：spring-aop.jar