We have an internally developed application that we run through VC, and it takes two files as input, and produces one output file with a summary of data from the two input files; i.e. the output file has one column of summary data from input file 1 and another column of summary data from input file 2.

The output that appears in the VC output window looks like this:

Input 1 Statistics filename = '\\server\folder\folder\Stats1.csv'
Input 2 Statistics filename = '\\server\folder\folder\Stats2.csv'
Output filename = '\\server\folder\folder\report.xls'

Output file '\\server\folder\folder\report.xls' successfully written.

This worked fine in VC 4.9.11.

When we upgraded from VC 4.9.11 to VC 4.9.26, it still produced the report, but the input from the second input file (e.g. stats2.csv) is missing from the output file -the column that should have the data from the second input file just has 0's, rather than the actual values. There were no changes made to the application - the only change was the change in version for VC.

I've tried running it in the most recent beta version, just to see if the most current version would work correctly, but with the same result.

Any ideas what might have changed between the two versions of VC that might account for this, and if so, is there a way to get this to work again in more current versions of VC?

What kind of Task are we talking about here. File read Task?

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It is an execute process task that runs the application.

Could be a Credential problem. Are you trying to access files from two different servers?

It is hard to say what happens with knowing exactly what the program does. Do you have any debugging to your application to tell if the files were correctly read?

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No, the files are on the same server.

Someone else developed the application, so I would have to get specific information from them, if the general description I gave is inadequate. I'll check about the debugging - is there anything else you need to know?

I can't think of any changes to the Execute Task (during that period) right now. What if you switch order of the files?

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We'll give that a try.