我有一个像
这样的网址 http://localhost:8080/Project-war/utility/Login.jsf?fallback=%2FProject-war%2Fpublic_resources%2FShowDetails.jsf%3Fid%3D9
当请求登录页面时，将形成此URL。成功登录后将请求重定向到的返回URL作为查询字符串参数附加到URL。
如果用户故意更改此网址，
http://localhost:8080/Project-war/utility/Login.jsf?fallback=%2FProject-war%2Fpublic_resources%2FShowDetails.jsf%3Fid%
删除了一些尾随字符。这是一个格式错误的网址。在这种情况下，它会导致抛出以下异常。
WARNING: Error invoking requestInitialized method on ServletRequestListener org.jboss.weld.servlet.WeldListener
java.lang.IllegalArgumentException: URLDecoder: Incomplete trailing escape (%) pattern
at org.glassfish.grizzly.http.util.URLDecoder.decode(URLDecoder.java:488)
at org.glassfish.grizzly.http.util.Parameters.processParameters(Parameters.java:654)
at org.glassfish.grizzly.http.util.Parameters.processParameters(Parameters.java:692)
at org.glassfish.grizzly.http.util.Parameters.handleQueryParameters(Parameters.java:335)
at org.glassfish.grizzly.http.server.Request.parseRequestParameters(Request.java:1995)
at org.glassfish.grizzly.http.server.Request.getParameter(Request.java:1052)
at org.apache.catalina.connector.Request.getParameter(Request.java:1547)
at org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:448)
at org.jboss.weld.servlet.ConversationContextActivator.getConversationId(ConversationContextActivator.java:115)
at org.jboss.weld.servlet.ConversationContextActivator.activateConversationContext(ConversationContextActivator.java:82)
at org.jboss.weld.servlet.WeldListener.requestInitialized(WeldListener.java:201)
at org.apache.catalina.core.StandardContext.fireRequestInitializedEvent(StandardContext.java:5225)
at org.apache.catalina.core.StandardHostValve.preInvoke(StandardHostValve.java:647)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:166)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:722)
SEVERE: Error Rendering View[/utility/Login.xhtml]
java.lang.IllegalStateException: A request must be associated with the context in order to load the known conversations
at org.jboss.weld.context.AbstractConversationContext.getCurrentConversation(AbstractConversationContext.java:390)
at org.jboss.weld.jsf.ConversationAwareViewHandler.getActionURL(ConversationAwareViewHandler.java:102)
at com.sun.faces.renderkit.html_basic.FormRenderer.getActionStr(FormRenderer.java:250)
at com.sun.faces.renderkit.html_basic.FormRenderer.encodeBegin(FormRenderer.java:143)
at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:864)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1854)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:647)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at filter.LoginNocacheFilter.doFilter(LoginNocacheFilter.java:39)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:722)
WARNING: Error invoking requestDestroyed method on ServletRequestListener org.jboss.weld.servlet.WeldListener
java.lang.NullPointerException
at org.jboss.weld.context.AbstractBoundContext.deactivate(AbstractBoundContext.java:71)
at org.jboss.weld.context.http.HttpRequestContextImpl.deactivate(HttpRequestContextImpl.java:70)
at org.jboss.weld.servlet.WeldListener.requestDestroyed(WeldListener.java:154)
at org.apache.catalina.core.StandardContext.fireRequestDestroyedEvent(StandardContext.java:5261)
at org.apache.catalina.core.StandardHostValve.postInvoke(StandardHostValve.java:255)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:359)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:722)
此异常在内部发生，并非由我编写的代码引起。不应发生此异常。
如何处理/处理此异常？
答案 0 :(得分：4)
这是GlassFish4中的一个错误。
无法从webapp端解决此问题。不是Filter，不是ServletRequestListener，不是ServletContainerInitializer，即使没有特定于GlassFish的GlassFishValve。负责确定请求参数并因此触发此GlassFish错误的人Weld在GlassFish的GlassFish自己的WebConfigListener初创公司中很早就被初始化了。由于GlassFish和Weld的这种紧密耦合，在Weld的ServletRequestListener WeldListener被触发之前，无法运行某些代码。如果可能，那么你可以在委托之前在try-catch中调用request.getParameterMap()。
您最好将此报告为another issue给GlassFish。但是，由于Oracle已为stopped提供了对GlassFish的商业支持，因此您不应期待很快就会发布新的开源GlassFish版本。这些天，你最好抓住WildFly（甲骨文/ JBoss，已经准备好Java EE 7）或TomEE（Apache思想，但尚未准备好Java EE 7）作为开源版的替代品GlassFish的。这些服务器非常智能，可以跳过这种损坏的请求参数，只记录警告，而不是抛出一个IllegalArgumentException来杀死整个Web应用程序。
答案 1 :(得分：-2)
不要将返回网址放在查询字符串中。将其嵌入页面，或将其放在会话变量（cookie）中。