servlet上传文件报错（一）

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1、具体报错如下：

org.apache.commons.fileupload.FileUploadBase$IOFileUploadException: Processing of multipart/form-data request failed. D:\MyEclipse\workspace\FileUpload\WebRoot\upload\upload_920ae854_8fc7_426e_9db7_ebfdd77f469b_00000002.tmp (系统找不到指定的路径。)at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:351)at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:115)at com.you.file.servlet.FileUploadServlet.doPost(FileUploadServlet.java:44)at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)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)Caused by: java.io.FileNotFoundException: D:\MyEclipse\workspace\FileUpload\WebRoot\upload\upload_920ae854_8fc7_426e_9db7_ebfdd77f469b_00000002.tmp (系统找不到指定的路径。)at java.io.FileOutputStream.open(Native Method)at java.io.FileOutputStream.<init>(FileOutputStream.java:179)at java.io.FileOutputStream.<init>(FileOutputStream.java:131)at org.apache.commons.io.output.DeferredFileOutputStream.thresholdReached(DeferredFileOutputStream.java:178)at org.apache.commons.io.output.ThresholdingOutputStream.checkThreshold(ThresholdingOutputStream.java:224)at org.apache.commons.io.output.ThresholdingOutputStream.write(ThresholdingOutputStream.java:128)at org.apache.commons.fileupload.util.Streams.copy(Streams.java:107)at org.apache.commons.fileupload.util.Streams.copy(Streams.java:70)at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:347)... 20 more

2、错误原因

在“D:\MyEclipse\workspace\FileUpload\WebRoot”目录下没有upload文件夹

3、解决办法

在“D:\MyEclipse\workspace\FileUpload\WebRoot”下新建文件夹“upload”

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