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  • Tomcat启动后访问首页报错 显示JSP 空指针异常

    HTTP Status 500 -


    type Exception report

    message

    description The server encountered an internal error () that prevented it from fulfilling this request.

    exception

    org.apache.jasper.JasperException: java.lang.NullPointerException
    	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:538)
    	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)
    	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    	org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
    	org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
    	org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1047)
    	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:817)
    	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
    	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
    	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:574)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:70)
    	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)


    出现以上错误的原因是因为lib下jar包和Tomcat下的jar包冲突,去掉lib下 servlet-api-2.5.jar 以及jsp-api.jar 重新启动即可。
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  • 原文地址:https://www.cnblogs.com/heshan664754022/p/3858018.html
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