Unable to load configuration. - [unknown location]

Unable to load configuration. - [unknown location]
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
    at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)
    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)
    at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
    at cn.com.eversys.ourpass.action.AppFilterDispatcher.init(AppFilterDispatcher.java:67)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
    at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
    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:288)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: Caught exception while loading file struts-default.xml - [unknown location]
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:894)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:144)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:111)
    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:164)
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
    ... 31 more
Caused by: java.lang.ClassCastException: org.apache.xerces.parsers.XML11Configuration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration
    at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
    at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
    at org.apache.xerces.jaxp.DocumentBuilderImpl.<init>(Unknown Source)
    at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown Source)
    at com.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.<init>(SAX2DOM.java:69)
    at com.sun.org.apache.xalan.internal.xsltc.runtime.output.TransletOutputHandlerFactory.getSerializationHandler(TransletOutputHandlerFactory.java:187)
    at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getOutputHandler(TransformerImpl.java:392)
    at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerHandlerImpl.setResult(TransformerHandlerImpl.java:137)
    at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.setup(DomHelper.java:205)
    at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:190)
    at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:181)
    at com.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:167)
    at com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:107)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:885)
    ... 35 more
2012-7-17 17:24:58 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2012-7-17 17:24:58 org.apache.catalina.core.StandardContext start
严重: Context [/ourpassApp2.0] startup failed due to previous errors
2012-07-17 17:24 [cn.com.eversys.ourpass.listener.ApplicationListener]-[INFO] ##Destroyed the ApplicationListener for App....
 2012-07-17 17:24 [org.springframework.web.context.support.XmlWebApplicationContext]-[INFO] Closing org.springframework.web.context.support.XmlWebApplicationContext@966c96: display name [Root WebApplicationContext]; startup date [Tue Jul 17 17:24:33 CST 2012]; root of context hierarchy
 2012-07-17 17:24 [org.springframework.beans.factory.support.DefaultListableBeanFactory]-[INFO] Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@78ec83: defining beans [loginDAO,registerDAO,settingDAO,friendDAO,peopleIndexDAO,peopleVoteDAO,userDao,classDao,vblogDao,tagRecordDao,storeDao,supportDao,vblogCommentDao,voteDao,offenseDao,circleDao,blogDao,messageDao,spaceLeaveWordDao,photoblumDao,circleAlbumDao,photoCommentDao,photoDao,userEventDao,circleAlbumPhotoDao,blogCommentDao,stockDao,userSelectStockDao,shortTestMationDao,tranHolidayDao,contentSupportDao,assayCommentDao,classUserAttrDao,stockWeatherDao,stockUpStopDao,adminIndexDAO,adminReserveDAO,adminNoticeDAO,adminCircleDAO,adminUserDAO,adminCommendDAO,adminStockDAO,adminAuxiliaryDAO,adminArticleDAO,adminNetDAO,adminStockCircleDAO,adminGuestDAO,adminTagDAO,adminStockprizelistDAO,adminStockstarDAO,adminStockweathertypeDAO,adminHonorDAO,adminPhotoDAO,adminBlogDAO,adminVblogDAO,adminBookmarkDAO,adminVoteDAO,adminCommentDAO,adminOffenseDAO,helpDAO,absAdminAction,adminIndexAction,adminReserveAction,adminNoticeAction,adminCircleAction,adminUserAction,adminCommendAction,adminStockAction,adminAuxiliaryAction,adminArticleAction,adminNetAction,adminStockCircleAction,adminGuestAction,adminTagAction,adminStockprizelistAction,adminStockstarAction,adminStockweathertypeAction,adminHonorAction,adminPhotoAction,adminBlogAction,adminVblogAction,adminBookmarkAction,adminVoteAction,adminCommentAction,adminOffenseAction,helpAction,peopleAction,visterAction,circleAction,circleManageIndexDAO,circleManageIndexAction,circleIndexDAO,circleAboutDAO,circleMemberDAO,circleAlbumDAO,circlePhotoDAO,circleBbsDAO,circleVoteDAO,circleBlogDAO,circleVBlogDAO,circleBookmarkDAO,circleBeatDAO,absCircleAction,circleIndexAction,circleAboutAction,circleMemberAction,circleAlbumAction,circlePhotoAction,circleUploadAction,circleBbsAction,circleVoteAction,circleBlogAction,circleVBlogAction,circleBookmarkAction,circleBeatAction,offenseDAO,offenseAction,peopleIndexAction,appListVblogAction,appListBlogAction,appListCircleAction,peopleOtheFavorAction,peopleVoteAction,peoplePersonCenterAction,peopleFavorAction,peopleCenterBlogAction,peopleBlogAction,peopleCircleAction,peopleCenterCircleAction,peopleVblogAction,userInfoAction,voteAction,photoAction,praiseAction,leaveWordAction,messageAction,stockVblogAction,fenXiAction,stockVoteAction,stockFavorAction,stockBlogAction,stockCircleAction,indexAction,testDAO,testAction,testCurdAction,ajaxAction,correctAction,loginAction,registerAction,uheadsettingAction,uinfosettingAction,upwdsettingAction,ufindpwdsettingAction,usetpwdsettingAction,friendAction,ulikesettingAction,stockIndexAction,stockPlateIndexAction,stockPlateAction,viewFinanceBlogAction,viewFinanceCircleAction,sVoteAction,viewIndexDAO,ajaxMaskVoteDAO,peopleVoteAllyDAO,fillVoteDAO,fillVoteDetailDAO,blogDAO,bookmarkDAO,vblogDAO,categoryDAO,searchDao,onlineDAO,rankDAO,tagsDAO,qindexDAO,qsearchDAO,qmyDAO,aboutDAO,viewIndexAction,ajaxMaskVoteAction,fillVoteAction,voteDetailAction,fillVoteDetailAction,blogAction,bookmarkAction,vblogAction,categoryAction,searchAction,onlineAction,rankAction,tagsAction,qIndexAction,qSearchAction,qMyAction,aboutAction,dataSource,transactionManager,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.config.internalTransactionAdvisor,jdbcTemplate,simpleJdbcTemplate,namedParameterJdbcTemplate,jdbcDAOSupport,commonDaoImp,storeProcedureDAO,classDAO,popedomDAO,userLevelDAO,taskDAO,sysAutoCommentDAO,sysAutoCreateVotePeriodDAO,sysAutoRefreshOurpassGradeDAO]; root of factory hierarchy
 2012-7-17 17:24:58 org.apache.catalina.core.ApplicationContext log
信息: ????????
2012-7-17 17:24:58 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2012-07-17 17:24 [com.mchange.v2.async.ThreadPoolAsynchronousRunner]-[WARN] Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main] -- caught unexpected Exception while executing posted task.
 java.lang.NullPointerException
    at com.mchange.v2.log.log4j.Log4jMLog$Log4jMLogger.isLoggable(Log4jMLog.java:252)
    at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1213)

    at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:368)

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请问如何解决这个问题啊