[QGIS-trac] Re: [Quantum GIS] #2056: fTools polygon centroids crash qgis in case of errors in shapefile

[Quantum GIS]

#2056: fTools polygon centroids crash qgis in case of errors in shapefile
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        Reporter:  pcav                                       |         Owner:  borysiasty   
            Type:  bug                                        |        Status:  new          
        Priority:  critical: causes crash or data corruption  |     Milestone:  Version 1.4.0
       Component:  Python plugins and bindings                |       Version:  HEAD         
      Resolution:                                             |      Keywords:               
Platform_version:                                             |      Platform:  All          
        Must_fix:  No                                         |   Status_info:  0            
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Old description:

> When trying to calculate centroids from a large and dirty shapefile, qgis
> throws some errors on the console and crashes:
> ERROR 1: Corrupted .shp file : shape 5305 : panPartStart[1] = 970662609,
> nVertices = 93
> ERROR 1: Corrupted .shp file : shape 9559, nPoints=6, nParts=1,
> nEntitySize=136.
> ERROR 1: Corrupted .shp file : shape 51001, nPoints=22, nParts=1,
> nEntitySize=168.
> ERROR 1: Corrupted .shp file : shape 57986, nPoints=16, nParts=1,
> nEntitySize=200.
> ERROR 1: Corrupted .shp file : shape 74444, nPoints=36, nParts=1,
> nEntitySize=408.
> Warning: QPixmap: It is not safe to use pixmaps outside the GUI thread
> Warning: qgis.bin: Fatal IO error: client killed
> Segmentation fault

New description:

 When trying to calculate centroids from a large and dirty shapefile, qgis
 throws some errors on the console and crashes:
 {{{
 #!sh
 ERROR 1: Corrupted .shp file : shape 5305 : panPartStart[1] = 970662609,
 nVertices = 93
 ERROR 1: Corrupted .shp file : shape 9559, nPoints=6, nParts=1,
 nEntitySize=136.
 ERROR 1: Corrupted .shp file : shape 51001, nPoints=22, nParts=1,
 nEntitySize=168.
 ERROR 1: Corrupted .shp file : shape 57986, nPoints=16, nParts=1,
 nEntitySize=200.
 ERROR 1: Corrupted .shp file : shape 74444, nPoints=36, nParts=1,
 nEntitySize=408.
 Warning: QPixmap: It is not safe to use pixmaps outside the GUI thread
 Warning: qgis.bin: Fatal IO error: client killed
 Segmentation fault
 }}}

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Ticket URL: <https://trac.osgeo.org/qgis/ticket/2056#comment:1>
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