Google App Engine上的JSF - java.lang.NoSuchFieldError：FaceletCache

Question

使用GAE 1.5.5和Mojarra 2.0.6 FCS，我在启动日志中看到以下消息。

它也出现在文章Configuring JavaServer Faces 2.0 to run on the Google App Engine Using Eclipse中给出的版本Mojarra 2.0.4。

该项目只是一个基本的JSF应用程序与链接文章中的web.xml。

这是一个已知的问题？我还会将其发布到Google App Engine/Java论坛上。

[java] INFO: Mojarra 2.0.6 (FCS FCS) für Kontext '' wird initialisiert. 
[java] 21.11.2011 16:10:50 com.sun.faces.spi.InjectionProviderFactory createInstance 
[java] INFO: JSF1048: PostConstruct/PreDestroy-Annotationen vorhanden. Verwaltete Bean-Methoden, die mit diesen Annotationen markiert sind, lassen die entsprechenden Annotationen verarbeiten. 
[java] 21.11.2011 16:10:50 com.sun.faces.config.ConfigureListener contextInitialized 
[java] SCHWERWIEGEND: Critical error during deployment: 
[java] java.lang.NoSuchFieldError: FaceletCache 
[java]   at com.sun.faces.application.ApplicationAssociate.createFaceletFactory(ApplicationAssociate.java:655) 
[java]   at com.sun.faces.application.ApplicationAssociate.<init>(ApplicationAssociate.java:227) 
[java]   at com.sun.faces.application.ApplicationImpl.<init>(ApplicationImpl.java:210) 
[java]   at com.sun.faces.application.ApplicationFactoryImpl.getApplication(ApplicationFactoryImpl.java:107) 
[java]   at com.sun.faces.config.processor.AbstractConfigProcessor.getApplication(AbstractConfigProcessor.java:130) 
[java]   at com.sun.faces.config.processor.ApplicationConfigProcessor.process(ApplicationConfigProcessor.java:256) 
[java]   at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) 
[java]   at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:116) 
[java]   at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) 
[java]   at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:216) 
[java]   at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:338) 
[java]   at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:226) 
[java]   at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) 
[java]   at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) 
[java]   at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) 
[java]   at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 
[java]   at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) 
[java]   at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[java]   at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[java]   at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[java]   at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[java]   at org.mortbay.jetty.Server.doStart(Server.java:224) 
[java]   at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[java]   at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:186) 
[java]   at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:182) 
[java]   at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:172) 
[java]   at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:164) 
[java]   at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48) 
[java]   at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113) 
[java]   at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89) 
[java] 21.11.2011 16:10:50 com.google.apphosting.utils.jetty.JettyLogger warn 

Answer 1

这应该是这是在钻嘴鱼科2.0.3推出了WebConfiguration.WebContextInitParameter枚举的领域。

这个特殊的例外情况表明，您已经拥有版本2.0.2或更高版本的Mojarra impl 和版本2.0.3的Mojarra impl或您的webapp的运行时类路径中的更新版本。

清理它。扫描重复的jsf-impl.jar文件，如有必要，还可以使用javaee.jar其实际来自Glassfish。