java.lang.ClassCastException: org.springframework.web.filter.CharacterEncodingFilter cannot be cast to javax.servlet.Filter at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275) 原因:可能是包冲突了 One of your depende…

使用maven开发web应用程序, 启动的时候报错: jar not loaded. See Servlet Spec . Offending class: javax/servlet/Servlet.class 然后输出错误: 严重: Exception starting filter encodingFilter java.lang.ClassCastException: org.springframework.web.filter.CharacterEncodingFilter canno…

java.lang.ClassCastException: org.apache.cxf.transport.servlet.CXFServlet cannot be cast to javax.servlet.Servlet maven下web项目依赖servlet-api.jar <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId>…

java.lang.ClassCastException: org.springframework.web.filter.CharacterEncodingFilter cannot be cast to javax.servlet.Filter    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)    at org.apache.catalina.c…

在第一次开发Maven项目时,maven环境和仓库以及eclipse都和讲师讲解的一样,可是却遇到下面这个问题: java.lang.ClassCastException: servlet.UserServlet cannot be cast to javax.servlet.Servlet at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1116) at org.apache.catali…

今天在部署WebLogic项目时,报了java.lang.ClassCastException: weblogic.xml.jaxp.RegistrySAXParserFactory cannot be cast to javax.xml.parsers.SAXParserFactory异常. 查询报错原因后,发现该异常是由Jar包冲突导致的. 大多数开发人员在本地使用Tomcat开发,而Tomcat中并没有此Jar包,需要添加JAR包xml-apis.jar:然鹅WebLogic却自带该Jar…

严重: Failed to initialize end point associated with ProtocolHandler ["http-bio-8080"] java.net.BindException: Address already in use <null>:8080 at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:407) at org.apache.tomcat.util.…

A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[/book_shop]] at java.util.concurrent.Futur…

java.lang.ClassCastException:weblogic.xml.jaxp.RegistryDocumentBuilderFactory cannot be cast to javax.xml.parsers.DocumentBuilderFactory ================================ ©Copyright 蕃薯耀 2018年5月17日 https://www.cnblogs.com/fanshuyao/ 一.问题描述 weblogic10 整…

java.lang.ClassCastException: cn.itcase.serviceImpl.servicestudentImpl cannot be cast to javax.servlet.Servlet 可能原因(1)因为这个只不过是一个是实现类而已,它本身是不能访问的,只有通过servlet来调用这些方法,并用doGet()或者doPost()方法来实现才是可以的 可能原因2:servicestudentImpl本来需要 extends HttpServlet但是没有继承…