oops - I just read your last note.  Name your Tandem searches  with an
extension.xtan.xml or just .xml; using .mzXML for those is asking for
trouble.

On Wed, May 5, 2010 at 2:43 PM, Jimmy Eng <jke...@gmail.com> wrote:
> It's not an error but rather a warning.  The warning by itself doesn't
> indicate a critical problem (although I suspect you might have other
> problems).  Take a look at your pep.xml file and see if it looks like
> it has reasonable content in it.
>
> Some things to note:
> - your tandem input file should be the Tandem search results xml and
> not be an .mzXML file (which is the raw mass spec data)
> - use .pep.xml as the extension to the created pepXML file to stick
> with the conventions that the TPP tools expect
> - ideally your Tandem search used the mzXML file as input otherwise
> you might have compatibility issues with tools in the TPP which expect
> inputs to follow certain conventions
> - ignore last two bullet points if you're not using rest of TPP tools
>
> On Wed, May 5, 2010 at 1:20 PM, Jesse J <firstblackphan...@gmail.com> wrote:
>> I'm trying to run Tandem2XML to convert an X!Tandem output file to
>> pepXML, but I get an error every time I try to run it.
>>
>> When I run: Tandem2XML /full/path/name/to/tandem_output.mzXML /full/
>> path/name/to/test.pepXML
>> I get the errors:
>> WARNING: Failed to open mzXML file.
>>         Output will not contain retention times.
>>
>> I tried searching for any sort of documentation on Tandem2XML but I
>> can't find any, so I can't figure out what the problem even is.
>>
>> Notes: If it's of any importance, I'm using Ubuntu and running the
>> program under wine. Also, I'm unsure of what the file extension for
>> the X!Tandem output is, so I simply gave it the mzXML extension.
>>
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