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我正在使用Tomcat 7，Richfaces 4.1.0，MyFaces 2.0.5和Facelets。當我啓動Tomcat我得到的錯誤Richfaces錯誤：重複鍵：javax.faces.convert.BooleanConverter類
An error occured while initializing MyFaces: duplicate key: class javax.faces.convert.BooleanConverter
java.lang.IllegalArgumentException: duplicate key: class javax.faces.convert.BooleanConverter
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:115)
at com.google.common.collect.RegularImmutableMap.<init>(RegularImmutableMap.java:72)
at com.google.common.collect.ImmutableMap$Builder.fromEntryList(ImmutableMap.java:221)
at com.google.common.collect.ImmutableMap$Builder.build(ImmutableMap.java:207)
at org.richfaces.javascript.ClientServiceConfigParser.parseConfig(ClientServiceConfigParser.java:53)
at org.richfaces.application.ValidatorModule.createClientScriptService(ValidatorModule.java:65)
at org.richfaces.application.ValidatorModule.configure(ValidatorModule.java:60)
at org.richfaces.application.ServicesFactoryImpl.init(ServicesFactoryImpl.java:27)
at org.richfaces.application.InitializationListener.createFactory(InitializationListener.java:139)
at org.richfaces.application.InitializationListener.onStart(InitializationListener.java:112)
at org.richfaces.application.InitializationListener.processEvent(InitializationListener.java:157)
at javax.faces.event.SystemEvent.processListener(SystemEvent.java:43)
at org.apache.myfaces.application.ApplicationImpl._traverseListenerList(ApplicationImpl.java:2105)
at org.apache.myfaces.application.ApplicationImpl.access$000(ApplicationImpl.java:118)
at org.apache.myfaces.application.ApplicationImpl$SystemListenerEntry.publish(ApplicationImpl.java:2292)
at org.apache.myfaces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:537)
at org.apache.myfaces.webapp.AbstractFacesInitializer._dispatchApplicationEvent(AbstractFacesInitializer.java:248)
at org.apache.myfaces.webapp.AbstractFacesInitializer.initFaces(AbstractFacesInitializer.java:140)
at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:111)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4765)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5260)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:842)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:958)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1599)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
我看到this後提出的解決方案，但在這種情況下，不同的，我沒有在我的類路徑 「-source.jar」。
還有什麼可能是錯的？