java.lang.ClassCastException: org.springframework.web.servlet.DispatcherServlet cannot be cast to ja
2018-04-06 12:44
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部署maven项目时出现这个问题
java.lang.ClassCastException: org.springframework.web.servlet.DispatcherServlet cannot be cast to javax.servlet.Servlet
原因是servlet-api.jar上，tomcat部署springMVC项目时是不用这个包的,而用maven构建项目时需要,如果不引用该依赖就会不识别 HttpServletRequest等的类。解决方案是是在maven引用servlet的依赖时，加上属性范围<scope>provided</scope>。问题解决。
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