我的网络应用程序出现“找不到线程绑定的请求”错误,希望获得帮助。我正在尝试使用struts2 + spring + hibernate,并使用spring管理hibernate会话工厂,并将hibernate会话注入我的struts动作中。我希望这是有道理的。当应用启动时,没有任何错误,但是当我发出第一个Web请求时,它以“未找到线程绑定的请求”错误轰炸。这是我的spring配置:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"> <beans> <bean id="hibernateSessionFactory" scope="singleton" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="configLocation" value="classpath:hibernate.cfg.xml" /> </bean> <bean id="hibernateSession" factory-bean="hibernateSessionFactory" factory-method="openSession" destroy-method="close" scope="request" class="org.hibernate.Session" /> </beans>
这是我的动作:
package actions.events; import org.hibernate.Session; public class Listing { Session session; public void setHibernateSession(Session value) throws Exception { session = value; } public String execute() { return "success"; } }
我唯一的线索是,如果我删除了上面的“ setHibernateSession”函数,我不会收到错误消息,因为如果该动作不需要一个会话(惰性实例化),那么大概spring不会打扰创建一个会话。
这是一个例外:
Unable to instantiate Action, actions.events.Listing, defined for 'Listing' in namespace '/events'Error creating bean with name 'hibernateSession': Scope 'request' is not active for the current thread; consider defining a scoped proxy for this bean if you intend to refer to it from a singleton; nested exception is java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the originally receiving thread? If you are actually operating within a web request and still receive this message, your code is probably running outside of DispatcherServlet/DispatcherPortlet: In this case, use RequestContextListener or RequestContextFilter to expose the current request. com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:307) com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:388) com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:187) org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61) org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39) com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:478) org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) java.lang.Thread.run(Unknown Source)
哦,最重要的是,我的web.xml 确实 具有必需的上下文侦听器,因此http请求应该由struts识别:
<?xml version="1.0" encoding="UTF-8"?> <web-app ... ... <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> ... </web-app>
要在不使用Spring MVC的情况下使用请求范围,应RequestContextListener在web.xml中声明(请参见3.5.4.1。初始Web配置):
RequestContextListener
<web-app> ... <listener> <listener-class> org.springframework.web.context.request.RequestContextListener </listener-class> </listener> ... </web-app>