部署 Tomcat6 JSF 应用程序时出现解析错误 - digester.Digester

Question

当我尝试使用我的应用程序启动 Tomcat6 时(我正在尝试从 Tomcat7 移植到 Tomcat6)，我遇到了一个奇怪的解析问题。 Digester 本身不会声明错误，直到遇到意外的文件结尾 - 这种解析本身一定是错误的。

有没有人有什么想法？

我的 web.xml 在下面，后面是控制台的一部分。

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 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_2_5.xsd">

<description>ilearn web.xml</description>
    <display-name>iLearn</display-name>
    <welcome-file-list>
        <welcome-file>home.jsf</welcome-file>
    </welcome-file-list>
        <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.jsf</url-pattern>
    </servlet-mapping>
    <context-param>
    <param-name>                        javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL </param-name>
    <param-value>true</param-value>
    </context-param>
    <filter>
        <filter-name>Extensions Filter</filter-name>
        <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
        <init-param>
            <param-name>uploadMaxFileSize</param-name>
            <param-value>100m</param-value>
        </init-param>
        <init-param>
            <param-name>uploadThresholdSize</param-name>
            <param-value>100k</param-value>
        </init-param>
        <init-param>
            <param-name>uploadRepositoryPath</param-name>
            <param-value>/iLearnData/temp/</param-value>
        </init-param>
    </filter>
</web-app>

这是 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_2_0.xsd"
    version="2.0">
    <!-- Config here -->
</faces-config>

这是 beans.xml

<?xml version="1.0" encoding="UTF-8"?>

这是控制台日志的一部分

[methodName=setComponentFamily, paramCount=0, paramTypes={java.lang.String}]
2012-09-04 02:20:42,503 DEBUG [main] digester.Digester (CallMethodRule.java:615)     - [CallMethodRule]{faces-config/render-kit/renderer/component-family} Call org.apache.myfaces.config.impl.digester.elements.Renderer.setComponentFamily(javax.faces.SelectMany/java.lang.String)
2012-09-04 02:20:42,503 DEBUG [main] Digester.sax      (Digester.java:1094)     - characters(
        )
2012-09-04 02:20:42,503 DEBUG [main] Digester.sax      (Digester.java:1410)     - startElement(http://java.sun.com/xml/ns/javaee,renderer-type,renderer-type)
2012-09-04 02:20:42,503 DEBUG [main] digester.Digester (Digester.java:1417)     -   Pushing body text '

        '
2012-09-04 02:20:42,503 DEBUG [main] digester.Digester (Digester.java:1436)     -   New match='faces-config/render-kit/renderer/renderer-type'
2012-09-04 02:20:42,503 DEBUG [main] digester.Digester (Digester.java:1451)     -   Fire begin() for CallMethodRule[methodName=setRendererType, paramCount=0, paramTypes={java.lang.String}]
2012-09-04 02:20:42,503 DEBUG [main] Digester.sax      (Digester.java:1094)     - characters(javax.faces.Checkbox)
2012-09-04 02:20:42,503 DEBUG [main] Digester.sax      (Digester.java:1164)     - endElement(http://java.sun.com/xml/ns/javaee,renderer-type,renderer-type)
2012-09-04 02:20:42,503 DEBUG [main] digester.Digester (Digester.java:1167)     -   match='faces-config/render-kit/renderer/renderer-type'
2012-09-04 02:20:42,504 DEBUG [main] digester.Digester (Digester.java:1168)     -   bodyText='javax.faces.Checkbox'
2012-09-04 02:20:42,504 DEBUG [main] digester.Digester (Digester.java:1190)     -   Fire body() for CallMethodRule[methodName=setRendererType, paramCount=0, paramTypes={java.lang.String}]
2012-09-04 02:20:42,504 DEBUG [main] digester.Digester (Digester.java:1210)     -   Popping body text '
  '
2012-09-04 02:20:42,567 DEBUG [main] digester.Digester (Digester.java:1190)     -   Fire body() for ObjectCreateRule[className=org.apache.myfaces.config.impl.digester.elements.FacesConfig, attributeName=null]
2012-09-04 02:20:42,567 DEBUG [main] digester.Digester (Digester.java:1190)     -   Fire body() for SetPropertiesRule[]
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (Digester.java:1190)     -   Fire body() for SetPropertiesRule[]
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (Digester.java:1210)     -   Popping body text ''
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (Digester.java:1220)     -   Fire end() for SetPropertiesRule[]
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (Digester.java:1220)     -   Fire end() for SetPropertiesRule[]
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (Digester.java:1220)     -   Fire end() for ObjectCreateRule[className=org.apache.myfaces.config.impl.digester.elements.FacesConfig, attributeName=null]
2012-09-04 02:20:42,568 DEBUG [main] digester.Digester (ObjectCreateRule.java:219)     - [ObjectCreateRule]{faces-config} Pop org.apache.myfaces.config.impl.digester.elements.FacesConfig
2012-09-04 02:20:42,568 DEBUG [main] Digester.sax      (Digester.java:1254)     - endPrefixMapping()
2012-09-04 02:20:42,568 DEBUG [main] Digester.sax      (Digester.java:1254)     - endPrefixMapping(xsi)
2012-09-04 02:20:42,568 DEBUG [main] Digester.sax      (Digester.java:1114)     - endDocument()
Sep 4, 2012 2:20:42 AM org.apache.myfaces.config.DefaultFacesConfigurationProvider getWebAppFacesConfig
INFO: Reading config /WEB-INF/faces-config.xml
2012-09-04 02:20:42,571 DEBUG [main] Digester.sax      (Digester.java:1341)     - setDocumentLocator(com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser$LocatorProxy@154e4e31)
2012-09-04 02:20:42,572 DEBUG [main] Digester.sax      (Digester.java:1375)     - startDocument()
2012-09-04 02:20:42,574 ERROR [main] digester.Digester (Digester.java:1655)     - Parse Fatal Error at line 3 column 1: Premature end of file.
org.xml.sax.SAXParseException: Premature end of file.
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:174)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:388)
    at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1427)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:1056)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
    at org.apache.commons.digester.Digester.parse(Digester.java:1745)
    at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.getFacesConfig(DigesterFacesConfigUnmarshallerImpl.java:309)
    at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.getFacesConfig(DigesterFacesConfigUnmarshallerImpl.java:36)
    at org.apache.myfaces.config.DefaultFacesConfigurationProvider.getWebAppFacesConfig(DefaultFacesConfigurationProvider.java:345)
    at org.apache.myfaces.config.DefaultFacesConfigurationMerger.getFacesConfigData(DefaultFacesConfigurationMerger.java:75)
    at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:416)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.buildConfiguration(AbstractFacesInitializer.java:338)
    at org.apache.myfaces.webapp.Jsp21FacesInitializer.initContainerIntegration(Jsp21FacesInitializer.java:73)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.initFaces(AbstractFacesInitializer.java:140)
    at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:119)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
    at org.apache.catalina.core.StandardService.start(StandardService.java:525)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Sep 4, 2012 2:20:42 AM org.apache.myfaces.webapp.AbstractFacesInitializer initFaces
SEVERE: An error occured while initializing MyFaces: org.xml.sax.SAXParseException: Premature end of file.
javax.faces.FacesException: org.xml.sax.SAXParseException: Premature end of file.
    at org.apache.myfaces.config.DefaultFacesConfigurationProvider.getWebAppFacesConfig(DefaultFacesConfigurationProvider.java:357)
    at org.apache.myfaces.config.DefaultFacesConfigurationMerger.getFacesConfigData(DefaultFacesConfigurationMerger.java:75)
    at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:416)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.buildConfiguration(AbstractFacesInitializer.java:338)
    at org.apache.myfaces.webapp.Jsp21FacesInitializer.initContainerIntegration(Jsp21FacesInitializer.java:73)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.initFaces(AbstractFacesInitializer.java:140)
    at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:119)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
    at org.apache.catalina.core.StandardService.start(StandardService.java:525)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: org.xml.sax.SAXParseException: Premature end of file.
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
    at org.apache.commons.digester.Digester.parse(Digester.java:1745)
    at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.getFacesConfig(DigesterFacesConfigUnmarshallerImpl.java:309)
    at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.getFacesConfig(DigesterFacesConfigUnmarshallerImpl.java:36)
    at org.apache.myfaces.config.DefaultFacesConfigurationProvider.getWebAppFacesConfig(DefaultFacesConfigurationProvider.java:345)
    ... 21 more
Sep 4, 2012 2:20:42 AM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
java.lang.IllegalStateException: No Factories configured for this Application. This happens if the faces-initialization does not work at all - make sure that you properly include all configuration settings necessary for a basic faces application and that all the necessary libs are included. Also check the logging output of your web application and your container for any exceptions!
If you did that and find nothing, the mistake might be due to the fact that you use some special web-containers which do not support registering context-listeners via TLD files and a context listener is not setup in your web.xml.
A typical config looks like this;
<listener>
  <listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class>
</listener>

    at javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
    at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:206)
    at javax.faces.webapp.FacesServlet.init(FacesServlet.java:116)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
    at org.apache.catalina.core.StandardService.start(StandardService.java:525)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Sep 4, 2012 2:20:42 AM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /ilearn threw load() exception
java.lang.IllegalStateException: No Factories configured for this Application. This happens if the faces-initialization does not work at all - make sure that you properly include all configuration settings necessary for a basic faces application and that all the necessary libs are included. Also check the logging output of your web application and your container for any exceptions!
If you did that and find nothing, the mistake might be due to the fact that you use some special web-containers which do not support registering context-listeners via TLD files and a context listener is not setup in your web.xml.
A typical config looks like this;
<listener>
  <listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class>
</listener>

    at javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
    at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:206)
    at javax.faces.webapp.FacesServlet.init(FacesServlet.java:116)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
    at org.apache.catalina.core.StandardService.start(StandardService.java:525)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Sep 4, 2012 2:20:42 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Sep 4, 2012 2:20:42 AM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Sep 4, 2012 2:20:42 AM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/19  config=null
Sep 4, 2012 2:20:42 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 7062 ms

Answer 1

您可以使用 JBoss EL。

说明

下载最新版本的Seam 2提取 lib/jboss-el.jar复制到 WEB-INF/lib/jboss-el.jar在您的 web.xml 集中:

    <context-param>
        <param-name>com.sun.faces.expressionFactory</param-name>
        <param-value>org.jboss.el.ExpressionFactoryImpl</param-value>
    </context-param>