Sqlclr Accessing A Share Drive

Oct 19, 2007

Hi,
I've got a requirement for a procedure to write a text file and want to do it without using command line utilities.

I wrote a sqlclr which queries a db and writes the file that I need. After setting the external_access and database to trustworthy, It only works on my own machine, not on network shares.

Some threads I've found have been related to the "1 network hop" of Windows credentials, which most of us are probably familiar with.

It doesn't make sense to me that this is the problem, since I'm on my workstation, connecting to a local db instance and hopping one time to the shared server. Anyone know what the cause might be?




Code Block
System.UnauthorizedAccessException: Access to the path '\isrc02Users3sgreene estwrite.txt' is denied.
System.UnauthorizedAccessException:
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
at System.IO.StreamWriter.CreateFile(String path, Boolean append)
at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize)
at System.IO.StreamWriter..ctor(String path)
at StoredProcedures.Inovah_JV(String& greeting)

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Sep 13, 2007

Hi I am trying to schedule a job to copy an MDB data file from Unix server to Windows 2003 server (Accfp1_data2_server). I have created a file copy SSIS package and tested it in the SSIS Visual Studio environment where it runs ok. The package was created while logged in as a domain administrator.

I then created a job to run this package (which is stored on a folder) using the credential of the same domain administrator who has full access privilege to both of these servers. However, the job fails whenever it is run manually or scheduled? The error message displayed is given below
---------------------------------------------------------------
Message
Executed as user: FORTIESABCITYG.
Microsoft (R) SQL Server Execute Package Utility Version 9.00.3042.00 for 32-bit Copyright (C) Microsoft Corp 1984-2005.
All rights reserved. Started: 14:26:07 Error: 2007-09-13 14:26:12.56 Code: 0xC001401E
Source: CommunityContact - Copy MS Access Database Connection manager "CONTACT.mdb On Accfp1_data2_server"
Description: The file name "\Accfp1_data2_serverDATA2Arts&recAppsContactsCONTACT.mdb" specified in the connection was not valid.
End Error Error: 2007-09-13 14:26:12.56 Code: 0xC001401D Source: CommunityContact - Copy MS Access Database Description: Connection "CONTACT.mdb On Accfp1_data2_server" failed validation. End Error DTExec: The package execution returned DTSER_FAILURE (1). Started: 14:26:07 Finished: 14:26:12 Elapsed: 5.297 seconds. The package execution failed. The step failed.
---------------------------------------------------------------

Please note that the job runs without problem when I change the source file to a Windows 2000 server share . How bizzare? Hope this is not a Microsoft's Trick?

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I'll keep trying new threads here... sooner or later, I'm sure an expert Microsoft CLR employee will gladly lend a helping hand!

The pieces:

1. SQL 2005, MS Windows Server 2003, Standard Edition, SP 1

2. .NET 2005/C#

3. Instance of SQL 2005 running locally.

Trigger on local SQL2005 DB table INSERT calls 2 CLR Functions:

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hDupedToken,

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@"C:MobileDB", ref si, ref pi

);

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I'm using a Windows 2003 server box with the latest SQL Server 2005, .NET 2.0/2005. Let me know if you need anything else.

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Hi,

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<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<AssemblyOwner>
</AssemblyOwner>
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Problem:

I have an sp which start an external process, It is working at my local machine but does not work at remote server.

FACTS:

Local machine has SQLExpress (SQL version) while remote machine has SQL Enterprise ..

SQL service is running under the System Account at both machines..

I have enabled the Sql server Service to interact with desptop, so that it can start a process in GUI mode.



I thin there is something in connectionstring which does not allow the application to connect to server with appropriate rights.

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Please, comments

Thanks





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using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
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[Microsoft.SqlServer.Server.SqlProcedure]
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hi, Derek Comingore
My self Jitendra Nayi....

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/*
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GO
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/*
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*/

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Executing An External Process() In SQLCLR Project

May 5, 2006

I can create an external text file from within the SQLCLR project, but I cannot run an external executable.  Just in case you are asking, I need to do this to push data into a legacy application using a different DB format.  I have found it best to simply use my old language (Clipper) for data validation, etc. - and especially since I require multiple indices to be open.  So, if you could just take my word on this.

The following code:

Process newProcess = new Process();

string path = @"C:TEST.BAT";

newProcess.StartInfo.FileName = path;

newProcess.Start();

Executes without error, but does not actually run the external. 

Now, I can have a DOS (Clipper) application poll a directory for text files, but I am trying to get away from all these "mini" data transformation applications.  If an exception is caused in the DOS app, a remote user on the other side of the country has no idea it is broke and his data (coming from a SQL Mobile Device) never gets to our legacy database structure. 

So, am I out of luck?   

 

 

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Optional Arguments In SQLCLR Stored Procs

Apr 13, 2006

I expected Optional ByRef nArg as Integer=123 to setup a sp arg with a default value of 123. Doesn't look like it does. Anybody know what I'm doing wrong?

Also, I can't write a function with a return using AS System.Int32. There is no RETURN sp arg.

Both situations compile/deploy without error.

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