[Paraview] Not a valid QT plugin on windows

Jérôme jerome.velut at gmail.com
Tue Jan 6 03:12:07 EST 2009


Dear all,

I go further with this discussion : I have also a "not a valid Qt
plugin" error on windows.

The devel system is :
- Windows XP SP3
- ParaView 3.4 built with
   - Python 2.5
   - Qt 4.3.5
   - MS Visual C++ 9.0 Express

Qt is also built with Visual 9.0

The plugin compiles and works well on this system (but a weird
"STATIC" vs "SHARED" problem persists, that will be described in
another e-mail).

The user system is XP SP3 with the available ParaView 3.4 binaries.
When loading the plugin, I get a "Is not a valid Qt plugin"

I noted that the only difference between my compiled ParaView and the
available one is the IDE (Visual 9 express vs. Visual 2005 ). Is it
possible that this is the source of the error ? Unfortunately, I do
not have access to a VS 2005, so I cannot try...

Thanks for your time, and obviously : happy new year !

Regards,

Jerome





2008/12/29 Berk Geveci <berk.geveci at kitware.com>:
>> I'll keep you posted on the progress  ~ Just one question though, plugins
>> working in ParaView 3.2 should work in 3.4 right ?
>
> If they are recompiled, yes.
>
> -berk
>
> On Fri, Dec 19, 2008 at 4:43 AM, Jacques Papper <jpapper at ara.co.uk> wrote:
>> I haven't had the time to get this to work... I went through the dependency
>> walker and it seems that many dependencies are not resolved... Wht I will do
>> next is compare this to my linux build.
>> I'll keep you posted on the progress  ~ Just one question though, plugins
>> working in ParaView 3.2 should work in 3.4 right ?
>> JAcques
>>
>> -----Original Message-----
>> From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org]
>> On Behalf Of Berk Geveci
>> Sent: 18 December 2008 14:16
>> To: Jacques Papper
>> Cc: paraview at paraview.org
>> Subject: Re: [Paraview] Not a valid QT plugin on windows
>>
>> Hi Jacques,
>>
>> I can't be of much help but I wanted to mention that, once you get this
>> working, we should create a wiki describing issues with plugins on various
>> platforms, specially Windows.
>>
>> -berk
>>
>> On Wed, Dec 17, 2008 at 3:16 AM, Jacques Papper <jacques.papper at gmail.com>
>> wrote:
>>> Ok,
>>>
>>> I removed the EXPORTS macro in my header, and it produces the same as
>>> setting the flag vtkIO_EXPORTS. The library is still not loaded
>>> though. So now I'm looking at the dependencies and the Initialize
>> function.
>>>
>>> Kenneth, how do I go about "making sure that the server manager
>>> initialization function is properly exported" ? I'm not sure I really
>>> understand what you mean ?
>>>
>>> Thanks
>>> Jacques
>>>
>>>
>>> 2008/12/16 David E DeMarle <dave.demarle at kitware.com>
>>>>
>>>> That sounds similar to a bug that Pat Marion fixed for the Streaming
>>>> ParaView plugin under windows. His change that fixed it was this:
>>>>
>>>> Index: Client/pqGlobalStreamingViewOptions.h
>>>> ===================================================================
>>>> RCS file:
>>>> /cvsroot/ParaView3/ParaView3/Plugins/Streaming/Client/pqGlobalStreami
>>>> ngViewOptions.h,v
>>>> retrieving revision 1.1
>>>> retrieving revision 1.2
>>>> diff -r1.1 -r1.2
>>>> 36d35
>>>> < #include "pqComponentsExport.h"
>>>> 40c39
>>>> < class PQCOMPONENTS_EXPORT pqGlobalStreamingViewOptions : public
>>>> pqOptionsContainer
>>>> ---
>>>> > class pqGlobalStreamingViewOptions : public pqOptionsContainer
>>>>
>>>>
>>>> On Tue, Dec 16, 2008 at 12:54 PM, Jacques Papper <jpapper at ara.co.uk>
>>>> wrote:
>>>> > Hi all,
>>>> >
>>>> > I have two plugins for Paraview that used to work fine with
>>>> > ParaView 3.2 under linux (I used to build them at the same time as
>>>> > ParaView.) Now I am using Visual Studio and have compiled the
>>>> > plugins outside of paraview. I am able to generate dll for both the
>>>> > server and client plugins.
>>>> > (I had to switch the vtkIO_EXPORTS flag on to build the dlls) When
>>>> > I launch paraview, only the client side is loaded and when I try to
>>>> > load the server side it fails with the message : " * is not a valid
>>>> > Qt plugin" ...
>>>> > I have found some threads dealing with this but nothing that I can try.
>>>> > I have built ParaView and my plugins against the same version of Qt
>>>> > (4.4.3)
>>>> > Any help would be greatly appreciated.
>>>> >
>>>> > Jacques
>>>> >
>>>> >
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>>>>
>>>>
>>>> --
>>>> David E DeMarle
>>>> Kitware, Inc.
>>>> R&D Engineer
>>>> 28 Corporate Drive
>>>> Clifton Park, NY 12065-8662
>>>> Phone: 518-371-3971 x109
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>> Aircraft Research Association Ltd.  Registered in England, Registration No 503668 Registered Office: Manton Lane, Bedford MK41 7PF England VAT No GB 196351245
>>
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>>
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