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Network path or filename not found errors...

P: n/a
Every day we get several errors like or similar to this one while a app is trying to write files to a network share. The .net app
breaks the files up into chunks and writes them to this share as it
recieves the file over the Internet. Sometimes it fails with a Network
path not found error like this one and other times it will fail with a
No file to append to error after it has written several chunks of data
and it's like it just loses the network share. We have many other apps
with shares open on the same file server, which is a MS Cluster
server, and nothing else has this problem except for this .net app. I
have run sniffer traces to catch the error and is appears that the MS
Cluster does return a file not found error but we can't figure out
why. Does .net handle file shares differently than other apps?

Any ideas would be greatly appreciated. We have checked all the normal
networking problems like browsing, dns, wins, etc. I have even tried
lmhosts and hosts files. Every other networking function/share/service
works fine except for this .net app.
Severity: Error
Name: .NET error event
Description: ExceptionManagerPublishedException
General Information
Additional Info:
ExceptionManager.MachineName: INETSRV
ExceptionManager.TimeStamp: 7/21/2003 2:50:15 PM
Version=1.0.944.18918, Culture=neutral, PublicKeyToken=null
ExceptionManager.ThreadIdentity: DOMAIN\username
ExceptionManager.WindowsIdentity: DOMAIN\group

1) Exception Information
Exception Type: System.IO.IOException
Message: The network path was not found.

TargetSite: Void WinIOError(Int32, System.String)
HelpLink: NULL
Source: mscorlib

StackTrace Information
at System.IO.__Error.WinIOError(Int32 errorCode, String str)
at System.IO.FileInfo.get_Length()
at iStreamWebService.iStreamServer.ServerFileSize(Str ing FileName)
in c:\inetpub\wwwroot\scanxferserver\private\istreams erver.asmx.cs:line
Time: 07/21/2003 14:50:16
Jul 19 '05 #1
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