WebSphere启动时出现的问题

这是在WSAD中运行一个项目时出现的错误，请问，错误可能发生在什么地方？我从哪儿去检查错误？
非常期待您的答案，谢谢
[06-3-21 12:31:12:422 CST] 3df13b15 Digester      E org.apache.commons.digester.Digester  Parse Error at line 2 column 15: 文档无效：找不到语法。
[06-3-21 12:31:12:792 CST] 3df13b15 Digester      E org.apache.commons.digester.Digester  TRAS0014I: 下列异常已记录 org.xml.sax.SAXParseException: 文档无效：找不到语法。
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)。。
[06-3-21 12:31:13:043 CST] 3df13b15 Digester      E org.apache.commons.digester.Digester  Parse Error at line 2 column 15: 文档根元素“struts-config”必须与 DOCTYPE 根“null”匹配。
[06-3-21 12:31:13:053 CST] 3df13b15 Digester      E org.apache.commons.digester.Digester  TRAS0014I: 下列异常已记录 org.xml.sax.SAXParseException: 文档根元素“struts-config”必须与 DOCTYPE 根“null”匹配。
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1572)
at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:738)
at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:687)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:333)
at com.ssd.oa.GlobalsActionServlet.init(GlobalsActionServlet.java:30)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletInstance.java:82)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycleServlet.java:147)
at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecycleServlet.java:270)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleServlet.java:113)
at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:189)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServletManager.java:870)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:224)
at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadAutoLoadServlets(WebAppServletManager.java:542)
at com.ibm.ws.webcontainer.webapp.WebApp.loadServletManager(WebApp.java:1277)
at com.ibm.ws.webcontainer.webapp.WebApp.init(WebApp.java:283)
at com.ibm.ws.webcontainer.srt.WebGroup.loadWebApp(WebGroup.java:387)
at com.ibm.ws.webcontainer.srt.WebGroup.init(WebGroup.java:209)
at com.ibm.ws.webcontainer.WebContainer.addWebApplication(WebContainer.java:1005)
at com.ibm.ws.runtime.component.WebContainerImpl.install(WebContainerImpl.java:136)
at com.ibm.ws.runtime.component.WebContainerImpl.start(WebContainerImpl.java:356)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:505)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:808)
at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:354)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:578)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:299)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:256)
at com.ibm.ws.runtime.component.ContainerImpl.startComponents(ContainerImpl.java:536)
at com.ibm.ws.runtime.component.ContainerImpl.start(ContainerImpl.java:413)
at com.ibm.ws.runtime.component.ApplicationServerImpl.start(ApplicationServerImpl.java:128)
at com.ibm.ws.runtime.component.ContainerImpl.startComponents(ContainerImpl.java:536)
at com.ibm.ws.runtime.component.ContainerImpl.start(ContainerImpl.java:413)
at com.ibm.ws.runtime.component.ServerImpl.start(ServerImpl.java:183)
at com.ibm.ws.runtime.WsServer.start(WsServer.java:128)
at com.ibm.ws.runtime.WsServer.main(WsServer.java:225)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:41)
at java.lang.reflect.Method.invoke(Method.java:386)
at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:105)
at com.ibm.etools.websphere.tools.runner.api.ServerRunnerV5$1.run(ServerRunnerV5.java:97)
。
                                 org.xml.sax.SAXParseException: 文档根元素“struts-config”必须与 DOCTYPE 根“null”匹配。
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)[06-3-21 12:31:21:164 CST] 3df13b15 ApplicationMg A WSVR0221I: 应用程序已启动：SSD_Ear
[06-3-21 12:31:21:505 CST] 3df13b15 HttpTransport A SRVE0171I: 传送 http 在端口 80 上侦听。
[06-3-21 12:31:23:227 CST] 3df13b15 HttpTransport A SRVE0171I: 传送 https 在端口 9,443 上侦听。
[06-3-21 12:31:23:347 CST] 3df13b15 RMIConnectorC A ADMC0026I: RMI 连接器在端口 2809 上可用
[06-3-21 12:31:23:438 CST] 3df13b15 WsServer      A WSVR0001I: 服务器 server1 为电子商务开放
[06-3-21 12:31:30:648 CST] 76dafb17 WebGroup      I SRVE0180I: [SSD] [/] [Servlet.LOG]: /index.jsp: init