javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception

分层工程中的错误点

1.javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception

javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception

解决
javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception

2.异常二

javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception
解决:
javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception

3.关于事务管理器(transactionManager)导致的异常

注意:当事务管理器的方法中使用注释的方式时,则id的名字是不能随意取的,只能是transactionManager
但如果是配置文件则不做要求,只需要对应上即可

javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception