javax.- servlet.ServletException: PWC1232: Überschreitung der maximalen Tiefe für geschachtelte Anfrage löst: 20
Habe ich erstellt einfache Java Dynamic Web project in Eclipse. Ich mein Projekt auf Glassfish 2.1.1. Wenn ich versuche, öffnen Sie p1.jsf
Seite im browser bekam ich folgende Fehlermeldung:
javax.servlet.ServletException: PWC1232: Exceeded maximum depth for nested request dispatches: 20
.
Ich habe keine Ahnung, wie man diesen Fehler beheben...
Hier kann p1.jsf
definition:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<f:view>
<h:outputLabel value="outputLabel"></h:outputLabel>
</f:view>
</body>
</html>
Meine web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>web4</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>FacesServlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>FacesServlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
</web-app>
Meine faces-config.xml:
<?xml version="1.0" encoding="UTF-8"?>
<faces-config
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-facesconfig_1_2.xsd"
version="1.2">
</faces-config>
Fehler details von Glassfish log:
PWC1406: Servlet.service() for servlet FacesServlet threw exception javax.servlet.ServletException: PWC1232: Exceeded maximum depth for nested request dispatches: 20
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:860)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:558)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:490)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:382)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:873)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:558)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:490)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:382)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:873)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:558)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:490)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:382)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:873)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:558)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:490)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:382)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
Du musst angemeldet sein, um einen Kommentar abzugeben.
url-pattern
von*.jsf
(oder etwas anderes als*.jsp
).javax.faces.DEFAULT_SUFFIX
ist erforderlich web.xml wenn Sie bereits mit JSP. Die JSP-Seite selbst eigentlich muss benannt werdenpagename.jsp
(und damit nichtpagename.jsf
dies ist die Ursache für das rekursive weiterleiten von anrufen).*.jsf
suffix:http://example.com/context/pagename.jsf
(und damit nicht vonpagename.jsp
, sonst würden Sie bekommenRuntimeException: FacesContext not found
).Dies bedeutet, dass rekursive interne vorwärts kommen. Ein paar Dinge zu beachten:
http://localhost:8080/app/p1.jsp
, und nichtp1.page
- Sie zugeordnet haben, den jsf-suffix.jsp
stellen Sie sicher, dass der folgende context-param definiert:
Zusammenfassen - die
javax.faces.DEFAULT_SUFFIX
bestimmt die Dateiendung, unter der die Seite gesucht, und die<url-pattern>
des faces-servlet bestimmt die Art und Weise der jsf-Seiten zugegriffen wird, die von clients (Browsern)