C++ dll as external function with DB2 9.7 FP10

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We are upgrading my DB2 8.1 on Windows server 2000 to DB2 9.7 on Windows server 2012 R2.
There is one C++ dll used to write log files which works file with DB2 8.1 but doent produce even log file on Windows server 2012 R2. Further I dont have source of that dll.

Possible cause:
32 bit C++ dll not supported on 64 bit enviroment
DB2 9.7 external function calling mistake

Can any one help please to understand problem and solution.
Explanation might not be enough to understand question so please ask if need more input.

Posted 20-Apr-15 22:29pm

Member 11628812

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Jochen Arndt 21-Apr-15 5:18am

You DLL is a 32-bit version while your new server is using a 64-bit Windows running probably a 64-bit version of DB2.

So you need a 64-bit version of the DLL or use a 32-bit version of DB2 (I don't know if that would work).

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Member 11629203 · Answer 1 · 2015-04-21T00:06:00

Solution 1

32 bit software will not work on 64bit machine. Please download the 64 bit application at first. There are some article at "c programming" : www.cprogramming-bd.com

Posted 21-Apr-15 0:06am

Member 11629203

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barneyman 22-Apr-15 2:21am

not technically accurate ... :)

32bit code will quite happily run on 64bit machines, what you can't do (as per the OP's problem) is run 32bit DLLs from a 64bit process

Member 11628812 22-Apr-15 2:29am

barneyman : Thanks a lot.
This make sense to me. I think need to write that dll code in SQL or some other language.

Someone says 32bit software doesnt run on 64 bit OS this is incorrect because I have few exe of 32 bit C++ which are working fine. Just exe with API call are not working.