向 org.springframework.web.context.request.RequestContextListener 类的监听器实例发送请求初始化生命周期事件的异常答案

【问题标题】：Exception sending request initialized lifecycle event to listener instance of class org.springframework.web.context.request.RequestContextListener向 org.springframework.web.context.request.RequestContextListener 类的监听器实例发送请求初始化生命周期事件的异常
【发布时间】：2013-07-19 16:09:24
【问题描述】：

我在尝试配置我的第一个应用程序时遇到此错误。战争已成功生成，但是当我点击我的项目的 URL 时，此错误出现在网页上，并且同样的错误出现在控制台中：

堆栈跟踪

2013-07-20 17:05:49,100 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/testing]] (http-127.0.0.1-8080-1) Exception sending request initialized lifecycle event to listener instance of class org.springframework.web.context.request.RequestContextListener
java.lang.IllegalArgumentException: Request is not an HttpServletRequest: org.apache.catalina.connector.RequestFacade@2b617c79
    at org.springframework.web.context.request.RequestContextListener.requestInitialized(RequestContextListener.java:54)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:180)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:724)
2013-07-20 17:06:12,617 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/testing]] (http-127.0.0.1-8080-1) Exception sending request initialized lifecycle event to listener instance of class org.springframework.web.context.request.RequestContextListener
java.lang.IllegalArgumentException: Request is not an HttpServletRequest: org.apache.catalina.connector.RequestFacade@f4ffab5
    at org.springframework.web.context.request.RequestContextListener.requestInitialized(RequestContextListener.java:54)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:180)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:724)

【问题讨论】：

标签： java eclipse spring jsf java-ee-6

【解决方案1】：

检查你的战争中没有 servlet-api 库。如果是这样，您必须将其删除，因为此库是由服务器提供的。

说明：
HttpServletRequest由servlet-api库提供，通常由服务器（JBoss、Tomcat等）加载

如果该库也存在于您的应用程序中，它会被多次加载，由不同的classloaders：应用程序类加载器和服务器默认类加载器。

问题是，服务器加载的HttpServletRequest 不能转换为应用加载的HttpServletRequest，反之亦然。

【讨论】：