我有一個Grails後端,帶有充當UI的Flex單頁應用程序。出於某種原因,當我提出AMF請求時,我的應用程序就會出現。用下面的錯誤(部分截斷可讀性)Grails Servlet過濾器瘋狂:... ServletRequestAttributes不能被轉換爲..GrailsWebRequest
2014-04-20 21:07:55,572 [http-bio-8080-exec-6] ERROR errors.GrailsExceptionResolver -
ClassCastException occurred when processing request: [POST]
/OrlandoGrails/messagebroker/amf
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest. Stacktrace follows:
java.lang.ClassCastException:
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest...
2014-04-20 21:07:55,573 [http-bio-8080-exec-6] ERROR errors.GrailsExceptionResolver -
Unable to render errors view:
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest...
java.lang.ClassCastException:
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest
Servlet.service() for servlet [Spring MVC Dispatcher Servlet] in context with path
[/OrlandoGrails] threw exception [Request processing failed; nested exception is
org.codehaus.groovy.grails.exceptions.GrailsRuntimeException:
java.lang.ClassCastException:
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest] with root cause...
java.lang.ClassCastException:
org.springframework.web.context.request.ServletRequestAttributes cannot be cast to
org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest at
grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.java:53
我讀過一些其他的解決方案在網絡上,他們說我必須先訂購我的web.xml我springSecurityFilter和它的最後一個映射。我已經做到了,並且下面是我的web.xml模板(Grails的得到它的阿霍德之前)
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
metadata-complete="true"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name>/@[email protected]</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>@[email protected]</param-value>
</context-param>
<listener>
<listener-class>org.codehaus.groovy.grails.web.context.GrailsContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter</filter-class>
</filter>
<filter>
<filter-name>charEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<param-name>targetBeanName</param-name>
<param-value>characterEncodingFilter</param-value>
</init-param>
<init-param>
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>charEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<servlet>
<servlet-name>grails</servlet-name>
<servlet-class>org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet</servlet-class>
<init-param>
<param-name>dispatchOptionsRequest</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet>
<servlet-name>gsp</servlet-name>
<servlet-class>org.codehaus.groovy.grails.web.pages.GroovyPagesServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>gsp</servlet-name>
<url-pattern>*.gsp</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>index.gsp</welcome-file>
</welcome-file-list>
<listener>
<listener-class>flex.messaging.HttpFlexSession</listener-class>
</listener>
<servlet>
<servlet-name>Spring MVC Dispatcher Servlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/config/web-application-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Spring MVC Dispatcher Servlet</servlet-name>
<url-pattern>/messagebroker/*</url-pattern>
</servlet-mapping>
被訪問時/胡說/ messagebroker/AMF,所以我將有網址認爲只有blazeds的messagebroker處理程序纔會知曉請求,但顯然我錯了。
對此非常感謝。
似乎有點奇怪flex.messaging.MessageBrokerServlet從您的配置中丟失。我根本不是Flex專家,但我似乎想起您需要在Tomcat應用程序中使用監聽器和Servlet。與此類似:http://svn.codehaus.org/gfs/trunk/grails-flex-scaffold/trunk/FlexScaffoldGrailsPlugin.groovy或XML版本:http://www.pavlasek.sk/devel/?p=39 –
你有沒有嘗試過這個問題的答案建議:http://stackoverflow.com/questions/8146498/the-correct-order-of-filters-in-web-xml-for-a-grails-application? – Saheed