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我正在编写一个servlet,它将帮助从html窗体上传文件。我正在使用apache commons fileUpload库。Eclipse工作空间问题
问题是当我上传文件时,虽然我已授予所有文件夹的权限,但获得了拒绝访问权限以写入Web内容中的文件夹。此外,我在同一个工作区中有另一个项目,其中正在对另一个文件夹执行类似的上传操作并执行。
java.io.FileNotFoundException: C:\Users\Veera\VirtualClassroom\IP_Project1.1\WebContent\Videos\Kannada\Jodha Akbar (Access is denied.)
at java.io.FileOutputStream.<init>(FileOutputStream.java:205)
at java.io.FileOutputStream.<init>(FileOutputStream.java:157)
at org.apache.commons.fileupload.disk.DiskFileItem.write(DiskFileItem.java:426)
at codes.UploadVideo.doPost(UploadVideo.java:81)
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:857)
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(Thread.java:811)
这里有一个代码snippet.The doPost方法
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
if (!(ServletFileUpload.isMultipartContent(request))) {
} else {
try {
ServletFileUpload in = new ServletFileUpload(
new DiskFileItemFactory());
System.out.println("hello");
String song_name = null, movie = null, category = null;
List inp = in.parseRequest(request);
Iterator it = inp.iterator();
FileItem fi = null;
while (it.hasNext()) {
fi = (FileItem) it.next();
if (fi.isFormField()) {
if (fi.getFieldName().equals("song_name"))
song_name = fi.getString();
else if (fi.getFieldName().equals("film"))
movie = fi.getString();
else if (fi.getFieldName().equals("group"))
category = fi.getString();
System.out.println(song_name + movie + category);
} else {
String filename = fi.getName();
boolean status = new File(
"C:/Users/Veera/VirtualClassroom/IP_Project1.1/WebContent/Videos/"
+ category + "/" + movie).isDirectory();
System.out.println(status);
File fw = new File(
"C:/Users/Veera/VirtualClassroom/IP_Project1.1/WebContent/Videos/"
+ category + "/" + movie + "/"
+ filename);
fi.write(fw);
}
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
System.out.println(e.getMessage());
}
}
表单值可以在servlet上检索。我忘了上次添加此控制台输出。这是我在java.io.exception之后在控制台上得到的消息 C:\ Users \ Veera \ VirtualClassroom \ IP_Project1.1 \ WebContent \ Videos \ Kannada \ Jodha Akbar(访问被拒绝) – Veeraraghavan 2011-06-13 17:10:10
值是否可检索是无关紧要的。文件路径在文件创建操作尝试时应该是有效的。 – 2011-06-13 17:12:47
该文件夹正在创建,但写入该位置 fi.write(fw)是它引发异常的地方,表示访问被拒绝 – Veeraraghavan 2011-06-13 17:26:15