MyEclipse10添加applicationContext.xml 出错

eclipse.buildId=unknown
java.version=1.6.0_13
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN
Command-line arguments:  -os win32 -ws win32 -arch x86

Info
Tue Oct 16 22:59:02 CST 2012
Error occured processing '/Ssh/WebRoot/WEB-INF/applicationContext.xml'

org.apache.xerces.util.ObjectFactory$ConfigurationError: Provider org.apache.xerces.parsers.IntegratedParserConfiguration could not be instantiated: org.apache.xerces.impl.dv.DVFactoryException: DTD factory class org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from DTDDVFactory.
	at org.apache.xerces.util.ObjectFactory.newInstance(Unknown Source)
	at org.apache.xerces.util.ObjectFactory.findJarServiceProvider(Unknown Source)
	at org.apache.xerces.util.ObjectFactory.createObject(Unknown Source)
	at org.apache.xerces.util.ObjectFactory.createObject(Unknown Source)
	at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
	at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
	at org.springframework.ide.eclipse.core.io.xml.LineNumberPreservingDOMParser.<init>(LineNumberPreservingDOMParser.java:40)
	at org.springframework.ide.eclipse.core.io.xml.XercesDocumentLoader.loadDocument(XercesDocumentLoader.java:35)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$2.loadBeanDefinitions(BeansConfig.java:376)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:422)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)

移除applicationContext.xml文件后，编译，然后再重新移动回来即可！

请问谁知道这是什么原因导致的？谢谢。