Hi all
For those with time, patience and compassion for my predicament....
We have a large app, which is a foundation of our system with lots of users
constantly using it. Yesterday it decided not to build / compile, with the
following error message:
[Fatal Error] File not found: 'c:\delphi\components_d6\zip
beta\vcl\QRPrntr.pas'
The path is not significant, as if I change what the last item is in my
library path, then it reports QRPrntr.pas is not found in that component
library instead!
I searched for QRPrntr.pas, but only found QRPrntr.dcu residing in
C:\Program Files\Borland\Delphi6\Lib.
Since it has the DCU, and this is a Quick reports 3 unit which comes with
Delphi 6, why is it wanting the pas file?
We do have 3rd party components that require / reference QRPrntr, including
Quick report 1, pragnan export filters for quick reports, and WP tools
components.
I searched through our archives and found that we do have a QRPrntr.pas,
always 147KB in size, which was in Quick Report 2 component libraries under
Delphi 3 and 4. However, as far as I can see, we've never needed this pas
file for running any Delphi 6 stuff.
I tried copying the QRPrntr.pas file from archives, into our Quick report 1
component library, and recompiling the large app. The error then changed to:
[Fatal Error] Qrprntr.pas (955): Unit QRPrev was compiled with a different
version of qrprntr.TQRPreview.
I decided not to follow this track, as it hasn't needed this pas file in the
past & I will probably only compound the problem.
What I've tried:
* reinstalling Delphi 6 and reinstalling our 3rd party components multiple
times (including older versions from archive)
* uninstalling Delphi 3 & 4
* examining the registry
* reverting to an older version of our large app
* recopying component bpl's to winnt\system32 - incase existing copies are
corrupt
The analysis:
* the large app is built every few days and has not changed in the last week
- and an older version from archives hasn't solved the problem
* I think the problem lies squarely with our 3rd party components - because
- the day before yesterday I was trying to install Delphi 3 & 4 and get our
components working for them (separate folder), as we have some old apps that
haven't yet been converted. I was having problems with the Delphi 3 & 4
version of our components then also.
* My guess is that in trying to install Delphi 3 & 4 3rd party components
(that involve quick reports and wp tools) that things have got entangled in
some way with newer versions of the 3rd party components for Delphi 6. E.g.
I copy bpl's and sometimes dpk's and cfg's to my Winnt\system32 folder (as I
don't know if ONLY the bpls' are needed). I think there's something in the
system32 directory (from older quick report versions), which is stuffing up
my current components. I've tried removing anything that seems related to
quick reports in system32, but no success.
Questions:
* How can I trace this problem better - Delphi isn't highlighting a line of
code when it has the fatal error - so I don't even know what unit it's
falling over on - except it obviously must be a unit which references
QRPrntr, and these are WPTools, Quick reports 1 and the pragnaan export
filters (in multiple places) - and my large app uses all of these.
* Could a Delphi 3/4 bpl or whatever, in my system32 folder, cause the
problem? Does Delphi only need to be able to find bpl's for components (in
system32) or other files as well? (note that I just chose to use system32 as
the place to put the bpls so Delphi can find them)
* Since it has the DCU for QRPrntr, and this is a Quick reports 3 unit which
comes with Delphi 6, why is it wanting the pas file?
* Any ideas, guesses very welcome - I'm into at least my 8th hour of hell!
Thanks in advance.
Dave
Dave Jollie
Software Developer BOA IT
09 368 4259 ext 6231
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