[Mono-bugs] [Bug 431022] New: Process.StandardInput.Write error

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=431022


           Summary: Process.StandardInput.Write error
           Product: Mono: Runtime
           Version: 1.9
          Platform: Other
        OS/Version: Ubuntu
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: JIT
        AssignedTo: lupus at novell.com
        ReportedBy: matt.mcaughan at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Community User


Created an attachment (id=242636)
 --> (https://bugzilla.novell.com/attachment.cgi?id=242636)
demo code to reproduce the error

When executing an external process with the System.Diagnostic.Process class
under Ubuntu 8.04.1 the write method fails with:

Unhandled Exception: System.IO.IOException: Write fault on path [Unknown]
  at System.IO.FileStream.FlushBuffer () [0x00000] 
  at System.IO.FileStream.Flush () [0x00000] 
  at System.IO.StreamWriter.Flush () [0x00000] 
  at System.IO.StreamWriter.Write (System.String value) [0x00000] 
  at Demo.Main (System.String[] args) [0x00000] 

This happened with the pre-packaged version of mono installed with apt-get and
well as a self compiled version using the mono-1.9.1 tar ball.

Identical code works fine under Ubuntu 7.10 and Visual Studio. See attachment
for sample code (shown here as well).

using System;
using System.Diagnostics;

class Demo {

   static Process p;

   public static void Main(string[] args) {

      ProcessStartInfo psi = new ProcessStartInfo("ls", "./");
      psi.UseShellExecute = false;
      psi.RedirectStandardOutput = true;
      psi.RedirectStandardInput = true;

      p = Process.Start(psi);
      p.StandardInput.Write("Hello");
      p.StandardInput.Close();

      p.WaitForExit();
      string output = p.StandardOutput.ReadToEnd();
      System.Console.WriteLine(output);
   }
}


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