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xp_cmdshell in stored procedure not the same result as cmd prompt


xp_cmdshell in stored procedure not the same result as cmd prompt

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dirk.dromgoole
dirk.dromgoole
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I have a stored procedure that uses xp_cmdshell to execute an executable. I made code changes to the executable and compiled a new build. The stored procedure that uses xp_cmdshell to execute is not recognizing the code changes but when I run the same command from cmd prompt it works fine. Any ideas?
Eirikur Eiriksson
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dirk.dromgoole (5/20/2014)
I have a stored procedure that uses xp_cmdshell to execute an executable. I made code changes to the executable and compiled a new build. The stored procedure that uses xp_cmdshell to execute is not recognizing the code changes but when I run the same command from cmd prompt it works fine. Any ideas?


First thought would be more than one instance of the executable on the system.
Cool
Ed Wagner
Ed Wagner
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I'm thinking the same thing. When you shell out, are you giving it the full path and filename to the executable? If not, then you're probably executing the wrong copy of it, so you're not getting the results from the new one.


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Orlando Colamatteo
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Sounds like a reason to move away from xp_cmdshell. What is the executable doing and can it be hosted on a machine other than a machine hosting SQL Server and be executed via a remote shell?

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Igor Micev
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Hi
When you make changes to the executable you can recompile the SP.
You could also create the SP with recompile option, so it removes and creates new plans for next executions.

Igor Micev,
My blog: www.igormicev.com
dirk.dromgoole
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The issue was that a copy of the program that was being executed was somehow locked into cache on the server. After the program was unlocked it picked up the revised program.
Eirikur Eiriksson
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dirk.dromgoole (6/17/2014)
The issue was that a copy of the program that was being executed was somehow locked into cache on the server. After the program was unlocked it picked up the revised program.

Very curious here, could you share some details on this?
Cool
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