初始化上下文時捕獲到異常：java.lang.NoClassDefFoundError：org / apache / commons / digester / Digester

Question

啟動Websphere 9服務器后，出現異常。 下面提到的異常堆棧跟蹤。

 E com.ibm.ws.webcontainer.webapp.WebApp notifyServletContextCreated SRVE0283E: Exception caught while initializing context: {0}
                                 java.lang.NoClassDefFoundError: org/apache/commons/digester/Digester
    at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.<init>(DigesterFacesConfigUnmarshallerImpl.java:42)
    at org.apache.myfaces.config.DefaultFacesConfigurationProvider.getUnmarshaller(DefaultFacesConfigurationProvider.java:93)
    at org.apache.myfaces.config.DefaultFacesConfigurationProvider.getStandardFacesConfig(DefaultFacesConfigurationProvider.java:135)
    at org.apache.myfaces.config.DefaultFacesConfigurationMerger.getFacesConfigData(DefaultFacesConfigurationMerger.java:69)
    at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:416)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.buildConfiguration(AbstractFacesInitializer.java:370)
    at org.apache.myfaces.webapp.Jsp21FacesInitializer.initContainerIntegration(Jsp21FacesInitializer.java:73)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.initFaces(AbstractFacesInitializer.java:143)
    at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:119)
    at com.ibm.ws.webcontainer.webapp.WebApp.notifyServletContextCreated(WebApp.java:1836)
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:442)
    at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:8

誰能幫助解決此問題？

Answer 1

確保您擁有MyFaces及其相應版本的所有依賴項。

http://myfaces.apache.org/core22/dependency-management.html

最新版本使用Commons-Diester版本1.8。

這也可能是類加載器的問題，也許此鏈接有助於WAS 8.5.5和MyFaces 2.1共享庫