java.lang.ClassNotFoundException: com.mysql.jdbc.Driver[非jar包原因]

2016-12-17 02:03:40 2.3k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver mysql-connector-java-5.1.46.zip下载 Exception in thread "main" java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security... 阅读详情

我在测试类里面就可以查询到数据,当我Controller就报这个异常
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
at org.apache.commons.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1420)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:575)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:639)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:668)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:676)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:716)
at dao.EmpDao.findEmp(EmpDao.java:27)
at service.EmpServiceImpl.findEmpByCode(EmpServiceImpl.java:36)
at web.MainController.toUpdate(MainController.java:35)
....

...全文