Thanks very much --- I think that was the problem.



On 06/03/2020 14:00, Shree Devi Kumar wrote:
> The files from tessdata_best only support the lstm mode ie --oem 1.
> Please check what mode your web service is using.
> 
> On Fri, Mar 6, 2020, 19:27 Adam Funk <[email protected]
> <mailto:[email protected]>> wrote:
> 
>     Hi again,
> 
>     I've updated the web service to use a newer version:
> 
>         compile group: 'org.bytedeco', name: 'tesseract-platform', version:
>     '4.1.0-1.5.2'
> 
>     It still segfaults when I try to use swe.traineddata but at least the
>     service recovers instead of dying in place.
> 
>     Adam
> 
> 
> 
>     On 06/03/2020 12:45, Adam Funk wrote:
>     > Hi,
>     >
>     > I've downloaded some of the *.traineddata files from
>     > <https://github.com/tesseract-ocr/tessdata_best> --- as far as I can
>     > tell, all the ones I have tested work on the command line, e.g.,
>     >
>     > $ tesseract --tessdata-dir /opt/data/tessdata-new/ --list-langs
>     > ...
>     > swe
>     > ...
>     >
>     > $ tesseract --tessdata-dir /opt/data/tessdata-new/ -l swe test.png
>     stdout
>     > [produces output with no errors]
>     >
>     > $ tesseract --version
>     > tesseract 4.1.0
>     >  leptonica-1.78.0
>     >   libgif 5.1.4 : libjpeg 8d (libjpeg-turbo 2.0.1) : libpng 1.6.37 :
>     > libtiff 4.0.10 : zlib 1.2.11 : libwebp 0.6.1 : libopenjp2 2.3.0
>     >  Found AVX2
>     >  Found AVX
>     >  Found SSE
>     >
>     >
>     > but when I try to use the same swe.traineddata file in a web service
>     > built with grails and running on Tomcat, something causes a
>     segfault and
>     > such a massive problem that the whole Tomcat server has to be
>     killed and
>     > restarted.  The grails service has the following dependency:
>     >
>     >     compile group: 'org.bytedeco', name: 'tesseract-platform',
>     version:
>     > '4.0.0-1.5'
>     >
>     > which is a slightly lower version, but the data files are supposed to
>     > work with Tesseract 4.
>     >
>     > Any ideas why?
>     >
>     > Thanks,
>     > Adam
>     >
> 
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