Java新人求解答:自己制作一个网站，出现问题，求详细解答。

Question

我自己制作了一个网站，该网页上设定了插入图片这一选项，可是当我插入一张名为
Peter_Jackson.jpg 的图片后，网页上没有显示，
而且myeclipse的console还报出了如下错误:

java.io.FileNotFoundException: C:\mysoftware\apache-tomcat-7.0.37\webapps\friend2\upload\pic_3\E:\David_Liu\picture\Peter_Jackson.jpg (文件名、目录名或卷标语法不正确。)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.(FileOutputStream.java:221)
at java.io.FileOutputStream.(FileOutputStream.java:171)
at org.apache.commons.fileupload.disk.DiskFileItem.write(DiskFileItem.java:439)
at web.ActionServlet.service(ActionServlet.java:130)
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:936)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
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.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Answer 1

  C:\mysoftware\apache-tomcat-7.0.37\webapps\friend2\upload\pic_3\E:\David_Liu\picture\Peter_Jackson.jpg (文件名、目录名或卷标语法不正确。)

    很明显，你存的是文件的完整磁盘路径，在E盘下。其实你使用的文件名应该是服务器下上传的文件。\E:\David_Liu\picture 这段删除。Peter_Jackson.jpg 应该取你数据库存的上传的文件名