java.lang.NoClassDefFoundError
wangxp2016 opened this issue · 3 comments
wangxp2016 commented
java.lang.NoClassDefFoundError: com/mchange/v2/c3p0/ComboPooledDataSource
zcool321 commented
bulid maven project. need maven install
frandfeng commented
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
java.sql.SQLException: Connections could not be acquired from the underlying database!
maven启动tomcat的时候出现这个,我的用户名和密码,数据库这些配置都是正确的
zcool321 commented
这个是数据库权限问题,应该你是的项目没有编译成功还是使用的默认配置导致的~
请重新进行clean然后maven isntall