[Qgis-user] QGIS 1.6 project causing 1.7 to crash

[Purves Ross]

Hi Nathan,

Very many thanks for the quick response! OK, running from the command line
gives me slight more info, to be sure:

[Tue Oct 11 13:34:26 RMPT43:NewMapMarch2011 ]$ qgis
VectorBackgroundMapMarch2011
Warning: loading of qgis translation failed
[/usr/share/qgis/i18n//qgis_en_GB]
Warning: loading of qt translation failed
[/usr/share/qt4/translations/qt_en_GB]
Warning: Couldn't load Python support library: Cannot load library
/usr/lib/qgispython: (/usr/lib/libqgispython.so: cannot open shared object
file: No such file or directory)
Critical: Data source is invalid
Critical:

Additionally, when I start QGIS this way I get a pop up window within the
graphical interface that says:

The layer
/mnt/bunker/ross/Research/PhD/NewMapMarch2011/VectorBackgroundMapMarch2011
is not a valid layer and can not be added to the map

The strange thing is that I'm pretty certain there is no problem with the
project file. It's timestamp reads 22 April, when I last worked on it. I.e.
the version of QGIS has changed but my file has remained constant.

Many thanks!
Ross



On 11 October 2011 13:35, Ross Purves <RMP at lutonsfc.ac.uk> wrote:

> Hi Nathan,
>
> Very many thanks for the quick response! OK, running from the command line
> gives me slight more info, to be sure:
>
> [Tue Oct 11 13:34:26 RMPT43:NewMapMarch2011 ]$ qgis
> VectorBackgroundMapMarch2011
> Warning: loading of qgis translation failed
> [/usr/share/qgis/i18n//qgis_en_GB]
> Warning: loading of qt translation failed
> [/usr/share/qt4/translations/qt_en_GB]
> Warning: Couldn't load Python support library: Cannot load library
> /usr/lib/qgispython: (/usr/lib/libqgispython.so: cannot open shared object
> file: No such file or directory)
> Critical: Data source is invalid
> Critical:
>
> Additionally, when I start QGIS this way I get a pop up window within the
> graphical interface that says:
>
> The layer
> /mnt/bunker/ross/Research/PhD/NewMapMarch2011/VectorBackgroundMapMarch2011
> is not a valid layer and can not be added to the map
>
> The strange thing is that I'm pretty certain there is no problem with the
> project file. It's timestamp reads 22 April, when I last worked on it. I.e.
> the version of QGIS has changed but my file has remained constant.
>
> Many thanks!
> Ross
> ________________________________________
> From: Nathan Woodrow [madmanwoo at gmail.com]
> Sent: 11 October 2011 13:26
> To: Purves Ross
> Cc: qgis-user at lists.osgeo.org
> Subject: Re: [Qgis-user] QGIS 1.6 project causing 1.7 to crash
>
> Hi Ross,
>
> That sounds a bit strange.  Can you start QGIS from the terminal and see
> what the output is when it locks up.
>
> - Nathan
>
> On Tue, Oct 11, 2011 at 10:19 PM, Purves Ross <rmpurves at ntlworld.com
> <mailto:rmpurves at ntlworld.com>> wrote:
> Hi there,
>
> I've updated my Ubuntu 10.10 installation to use QGIS 1.7. I put a lot of
> work into a project using QGIS 1.6 but it won't open in 1.7. The layers all
> appear but then the screen freezes as though QGIS is rendering the resulting
> map forever.
>
> A bit of googling revealed that there was a bug at some point which
> required the placement of 'gdal' between all <provider></provider> tags in
> the project XML file in a scenario like this. However, I tried this and it
> didn't work. I also have read various posts that say the use of 'on the fly'
> project appeared to cause problems going between 1.6 and 1.7. The project in
> question does indeed use on the fly projection.
>
> As a final note, I have an ECW raster layer in this map that requires the
> modified GDAL to work. I thought that the crash might be to do with the
> upgrade having removed my modified version of GDAL. I therefore recompiled
> it all and have checked to see that my version of 1.7 can now read ECW files
> and it can (when they are presented a a fresh layer and not as part of the
> problematic project).
>
> This is a really, really important project to me and I do need to get it
> back if at all possible. Please can anyone help?
>
> Very many thanks!
> Ross Purves
>
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