1、详细报错例如以下

一个表单域不是一个表单域java.io.FileNotFoundException: D:\MyEclipse\workspace\FlexFileUpload\Web\uploadFolder\鏌卞舰鍥?xls (文件名称、文件夹名或卷标语法不对。)	at java.io.FileOutputStream.open(Native Method)	at java.io.FileOutputStream.
     
      (FileOutputStream.java:179)	at java.io.FileOutputStream.
      
       (FileOutputStream.java:70)	at com.you.upload.servlet.FlexFileUploadServlet.doPost(FlexFileUploadServlet.java:129)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)一个表单域	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852)	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)
      
     

2、错误原因

String fileName = item.getName();File remoteFile = new File(new String(item.getName().getBytes(), "GBK"));byte[] data = item.get();/**  * 获取文件上传路径  */String uploadFolder = getServletConfig().getInitParameter("uploadFolder");String fileFolderName = getServletContext().getRealPath(uploadFolder + "\\" + remoteFile);

3、解决的方法