〔Java Web 开发典型模块大全〕第八章聊天室模块，范例测试时，发现
上线用户：zhangsan
java.io.IOException: 系统找不到指定的路径。
at java.io.WinNTFileSystem.createFileExclusively(Native Method)
at java.io.File.createNewFile(Unknown Source)
at com.wgh.MessagesAction.createFile(MessagesAction.java:241)
at com.wgh.MessagesAction.loginRoom(MessagesAction.java:147)
at com.wgh.MessagesAction.doPost(MessagesAction.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
org.jdom.input.JDOMParseException: Error on line 0: File "file:///C:/Documents and Settings/Administrator.B6F6C6FD09604E1/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/01/xml/20101124.xml" not found.
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:468)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:891)
at com.wgh.MessagesAction.loginRoom(MessagesAction.java:151)
at com.wgh.MessagesAction.doPost(MessagesAction.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: org.xml.sax.SAXParseException: File "file:///C:/Documents and Settings/Administrator.B6F6C6FD09604E1/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/01/xml/20101124.xml" not found.
at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1202)
at org.apache.xerces.readers.DefaultEntityHandler.startReadingFromDocument(DefaultEntityHandler.java:512)
at org.apache.xerces.framework.XMLParser.parseSomeSetup(XMLParser.java:312)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1080)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:453)
... 17 more
Caused by: org.xml.sax.SAXParseException: File "file:///C:/Documents and Settings/Administrator.B6F6C6FD09604E1/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/01/xml/20101124.xml" not found.
at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1202)
at org.apache.xerces.readers.DefaultEntityHandler.startReadingFromDocument(DefaultEntityHandler.java:512)
at org.apache.xerces.framework.XMLParser.parseSomeSetup(XMLParser.java:312)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1080)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:453)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:891)
at com.wgh.MessagesAction.loginRoom(MessagesAction.java:151)
at com.wgh.MessagesAction.doPost(MessagesAction.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: org.xml.sax.SAXParseException: File "file:///C:/Documents and Settings/Administrator.B6F6C6FD09604E1/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/01/xml/20101124.xml" not found.
at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1202)
at org.apache.xerces.readers.DefaultEntityHandler.startReadingFromDocument(DefaultEntityHandler.java:512)
at org.apache.xerces.framework.XMLParser.parseSomeSetup(XMLParser.java:312)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1080)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:453)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:891)
at com.wgh.MessagesAction.loginRoom(MessagesAction.java:151)
at com.wgh.MessagesAction.doPost(MessagesAction.java:33)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
下线用户：zhangsan