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Old 10-12-2009, 07:10 AM   #1
alexbt
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Calibre RuntimeError on Ubuntu 8.04 Server

Hi everyone,
I'm new to this forum and Calibre.
I tried to use Calibre for converting pdf files to ebook formats.
The whole stuff runs on Ubuntu 8.04 Server (headless).
I successfully installed and built Python 2.6.
After that I installed Calibre. It was of version 0.6.17.
When running the converter for the first time I got the following output:

alex@server1:~$ ebook-convert TigerFilter.pdf .epub
1% Converting input to HTML...
InputFormatPlugin: PDF Input running on /home/alex/TigerFilter.pdf
Traceback (most recent call last):
File "/home/kovid/build/calibre/src/calibre/customize/ui.py", line 174, in get_file_type_metadata
File "/home/kovid/build/calibre/src/calibre/customize/builtins.py", line 198,
in get_metadata
File "/home/kovid/build/calibre/src/calibre/ebooks/metadata/pdf.py", line 16,
in get_metadata
RuntimeError: libltdl.so.7: cannot open shared object file: No such file or directory
Parsing all content...
Parsing file 'index.html' as HTML
Generating default TOC from spine...
34% Running transforms on ebook...
Merging user specified metadata...
Detecting structure...
Auto generated TOC with 0 entries.
Flattening CSS and remapping font sizes...
Source base font size is 12.00000pt
Cleaning up manifest...
Trimming unused files from manifest...
Creating EPUB Output...
67% Creating EPUB Output
Looking for large trees in index.html...
No large trees found
Generating default cover
EPUB output written to /home/alex/TigerFilter.epub
Output saved to /home/alex/TigerFilter.epub

When converting to .mobi I get the following error:

alex@server1:~$ ebook-convert TigerFilter.pdf .mobi
1% Converting input to HTML...
InputFormatPlugin: PDF Input running on /home/alex/TigerFilter.pdf
Traceback (most recent call last):
File "/home/kovid/build/calibre/src/calibre/customize/ui.py", line 174, in get_file_type_metadata
File "/home/kovid/build/calibre/src/calibre/customize/builtins.py", line 198,
in get_metadata
File "/home/kovid/build/calibre/src/calibre/ebooks/metadata/pdf.py", line 16,
in get_metadata
RuntimeError: libltdl.so.7: cannot open shared object file: No such file or dire
ctory
Parsing all content...
Parsing file 'index.html' as HTML
Generating default TOC from spine...
34% Running transforms on ebook...
Merging user specified metadata...
Detecting structure...
Auto generated TOC with 0 entries.
Flattening CSS and remapping font sizes...
Source base font size is 12.00000pt
Cleaning up manifest...
Trimming unused files from manifest...
Creating MOBI Output...
67% Creating MOBI Output
Applying case-transforming CSS...
: cannot connect to X server

With .mobi and .lit I experience the same problems.

Can anybody explain me what are the problems and how to fix them?

Regards,
Alex

Last edited by alexbt; 10-12-2009 at 07:26 AM.
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Old 10-12-2009, 11:55 AM   #2
alexbt
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X Server problem solved, but RuntimeError remains

I managed to solve X server issue:

sudo apt-get update
sudo apt-get -y install build-essential
sudo apt-get install xvfb
sudo apt-get install xfs xfonts-scalable xfonts-100dpi

and then I run ebook-convert like this:

xvfb-run --server-args="-screen 0, 1024x768x24" ebook-convert myfile.pdf .mobi

But I still receives the same error.
Can somebody explain me what to do with it?

Regards,
Alex
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Old 10-12-2009, 01:34 PM   #3
kovidgoyal
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That error indicates that the file /usr/lib/libltdl.so.7 is missing on your computer, probably because of an outdated libtool install.
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Old 10-13-2009, 04:26 AM   #4
alexbt
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Now it does work!

Thank you for the fast answer.

You were right.
I really had no such library. But I had the old one: libltdl.so.3

And I didn't have to upgrade it. By creating a symbolic link I managed to solve the problem:

sudo ln -s libltdl.so.3 libltdl.so.7

Now everything works perfectly.
Thank you very much for the good work you do.

Regards,
Alex
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