java.lang.reflect.InvocationTargetException

严重: Begin event threw exception
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyU
tilsBean.java:1773)
        at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(Prop
ertyUtilsBean.java:1759)
        at org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(Prop
ertyUtilsBean.java:1648)严重: Parsing error processing resource path /WEB-INF/struts-config.xml
java.lang.reflect.InvocationTargetException
        at org.apache.commons.digester.Digester.createSAXException(Digester.java
:2792)
        at org.apache.commons.digester.Digester.createSAXException(Digester.java
:2818)
        at org.apache.commons.digester.Digester.startElement(Digester.java:1289)        at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Sour
ce)
        at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unkn
own Source)
这是什么错误啊！？？？