[Paraview] Writer Plugin cannot be loaded

[Burlen Loring]

Natalie Happenhofer wrote:
> Hi!
>
> I have written a Writer-Plugin and after (at last) successfully 
> compiling and linking it within Paraview, I tried to load it with the 
> PluginManager,
> and in the Paraview/build/bin directory I found my libVdcWriter.so, 
> but loading fails. I get the error message: "libVdcWriter.so: no such 
> file or directory"
> But the file is in the build/bin - directory, the 
> plugin-manager-browser found it!
> Does anyone know what could be the problem here? Is it possible that I 
> missed to link something, any library from paraview so that this 
> plugin can be loaded?

It sounds like the dynamic linker/loader , ld, isn't finding your 
libVdcWriter.so library. first you can verify by running ldd on your 
plugin and searching for "not found". like this:

ldd /path/to/libMyPlugin.so | grep "not found"

This will list the libraries that are not found. There are a number of 
ways to remedy such an issue. The easiest (especially for debugging 
purposes) is to use LD_LIBRARY_PATH on the command line to add locations 
to ld's search path. You know where the missing library is located then 
you can run paraview like this:

LD_LIBRARY_PATH=/path/to/missing/lib/folder /path/to/paraview

or you can export this variable in your shell.

>
> and by the way, a stupid question: linux .so - files are equivalent to 
> windows .dll-files, true? so while I´m loading my plugins as .dlls in 
> windows, with linux they have the ending .so, right?
>
> thx a lot,
> Natalie Happenhofer
>
>
>
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-- 
Burlen Loring
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x137