[Mono-bugs] [Bug 459432] New: HttpListener ObjectDisposedException
bugzilla_noreply at novell.com
bugzilla_noreply at novell.com
Tue Dec 16 09:36:00 EST 2008
https://bugzilla.novell.com/show_bug.cgi?id=459432
Summary: HttpListener ObjectDisposedException
Product: Mono: Class Libraries
Version: unspecified
Platform: Other
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: System
AssignedTo: mono-bugs at lists.ximian.com
ReportedBy: petee at mindtouch.com
QAContact: mono-bugs at lists.ximian.com
Found By: ---
The following test case causes an ObjectDisposedException to be thrown for each
request. This works fine on mono 2.0 and MS runtime.
using System;
using System.Net;
namespace HttpListenerTest {
class Listener {
static void Main(string[] args) {
HttpListener listener = new HttpListener();
listener.IgnoreWriteExceptions = true;
listener.Prefixes.Add("http://*:8000/");
listener.Start();
Console.WriteLine("listening...");
listener.BeginGetContext(RequestHandler, listener);
while(true) {
System.Threading.Thread.Sleep(250);
}
}
static void RequestHandler(IAsyncResult ar) {
HttpListenerContext httpContext = null;
try {
HttpListener listener = (HttpListener)ar.AsyncState;
httpContext = listener.EndGetContext(ar);
// start listening for next request
listener.BeginGetContext(RequestHandler, listener);
// invoke response handler
ResponseHandler(httpContext);
} catch(Exception e) {
Console.WriteLine(e.ToString());
if(httpContext != null)
httpContext.Response.Close();
}
}
static void ResponseHandler(HttpListenerContext httpContext) {
byte[] buffer = System.Text.Encoding.ASCII.GetBytes("hello world");
httpContext.Response.StatusCode = 200;
httpContext.Response.OutputStream.Write(buffer, 0, buffer.Length);
httpContext.Response.Close();
}
}
[root at buildmonkey:~] /opt/mono-2.2/bin/mono HttpListenerTest.exe
listening...
System.IO.IOException: BeginReceive failure --->
System.ObjectDisposedException: The object was used after being disposed.
at System.Net.Sockets.Socket.BeginReceive (System.Byte[] buffer, Int32
offset, Int32 size, SocketFlags socket_flags, System.AsyncCallback callback,
System.Object state) [0x00000]
at System.Net.Sockets.NetworkStream.BeginRead (System.Byte[] buffer, Int32
offset, Int32 size, System.AsyncCallback callback, System.Object state)
[0x00000]
--- End of inner exception stack trace ---
at System.Net.Sockets.NetworkStream.BeginRead (System.Byte[] buffer, Int32
offset, Int32 size, System.AsyncCallback callback, System.Object state)
[0x00000]
at System.Net.HttpConnection.BeginReadRequest () [0x00000]
at System.Net.HttpConnection.Close () [0x00000]
at System.Net.HttpListenerResponse.Close (Boolean force) [0x00000]
at System.Net.HttpListenerResponse.Close () [0x00000]
at HttpListenerTest.Listener.ResponseHandler (System.Net.HttpListenerContext
httpContext) [0x00000]
at HttpListenerTest.Listener.RequestHandler (IAsyncResult ar) [0x00000]
}
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