s2sh Unable to load configuration. - [unknown location]

[list]
[*]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:374)
[*] at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
[*] at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
[*] 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:3693)
[*] at org.apache.catalina.core.StandardContext.start(StandardContext.java:4340)
[*] 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:525)
[*] at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
[*] at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
[*] at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
[*] at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
[*] at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
[*] at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
[*] at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
[*] at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
[*] 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:566)
[*] 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)
[*]
[/list]

版本：
spring:3.0.1
hibernate:3.3
struts:2.1.8

[b]產生原因：
jar包衝突
xerce.jar和xml-apis.jar這兩個jar包衝突
刪除xerce.jar [/b]