Abcpdf HttpContent.Create FileNotFoundException in ASP.net mvc context but file exist

Question

I use Abcpdf,

Sometimes I get in production FileNotFoundException after creation of HttpMultipartMimeForm with path use by the HttpContent.Create( methode

The major part of time this code works well

The PDF is creat in context where

ASP.NET website A is called
A call website B to generate the PDF
Website B call url on B for HTML to PDF abcpdf method.
After previous request to B is finish, website A send file to server C via HttpClient HttpMultipartMimeForm and Exception is throw sometimes, but when I look on the server the file exist

A and B is on the same machine and sharing the same directories.

I supposed that the file is not finish to write on disk when I try to acces on it. But how to resolved this ?

Thanks.

1. Server A

using (HttpClient pdfClient = new HttpClient("http://" + ConfigurationManager.AppSettings["xxx"]))
{
    using (HttpResponseMessage message = pdfClient.Get(UrlDictionary.callxxx(xxxID, xxxID)))
    {
        message.EnsureStatusIsSuccessful();
        message.Content.ReadAsStream();
    }
}

2. Server B

theDoc.Save(HostingEnvironment.ApplicationPhysicalPath + "/xxx/" + ".pdf");
theDoc.Clear();

3. Server A

 HttpMultipartMimeForm request = new HttpMultipartMimeForm();

  FileInfo info = new FileInfo(pathFile);
  HttpFormFile file = new HttpFormFile();
  file.Content = **HttpContent.Create(info, "multipart/form-data")**; (Exception FileNotFoundException)
  file.FileName = info.Name;
  file.Name = "file";


  request.Files.Add(file);
  request.Add("id", id);

  using (HttpResponseMessage response = client.Post(
      string.Format("/xxx/{0}", id), 
      request.CreateHttpContent()))
  {
      ExceptionIfBadRequest(response);
      Contrat contrat = (Contrat)FromXml(response.Content.ReadAsString(), typeof(Contrat));
      return contrat;
  }

Your exception is very clear, the file in the directory you are searching in — jamiedanq, Apr 22 '16 at 14:36
debug your code by stepping into it and check if the directory path is even right — jamiedanq, Apr 22 '16 at 14:42
if so why not thread the processes and lock it when one already access to the file and release it to the other when the first one finishes? — jamiedanq, Apr 22 '16 at 14:50

score 0 · Answer 1 · answered Apr 22 '16 at 14:42

0

Check the permissions on the PDF file and the directory, check the file doesn't have some 'zone' information attached to it.

answered Apr 22 '16 at 14:42

Santosh Pandey

111
3

Yes but this code works major part of time, so this is not a permission problem, I thinks... – ArDumez Apr 22 '16 at 14:44

Abcpdf HttpContent.Create FileNotFoundException in ASP.net mvc context but file exist

1 Answers1