[Okular-devel] [Bug 277350] okular prints out loads or debugging rubbish when files are being processed

[Davor Cubranic]

https://bugs.kde.org/show_bug.cgi?id=277350





--- Comment #12 from Davor Cubranic <cubranic acm org>  2011-07-08 17:41:41 ---
David, I share your sentiment about debug output and have filed similar bugs
for various KDE components in the past. 

In this case, though, I think Pino explained to you what's going on why this
output is not Okular's fault. Some of the sources are deeper in KDE libs and
have already been fixed -- or if it's still there in an up-to-date KDE then it
should be filed with kdelibs.

Other output is from Poppler, the PDF rendering library, and is a genuine error
output -- I frequently see it happen when a PDF I'm viewing gets deleted and
regenerated during a latex recompile. Since you use 'ls' as an example, see
what it prints when you give it the name of a non-existent file as an argument.
I bet it's something along the lines of "ls: cannot access bla: No such file or
directory"

Lastly, more generally, some of the fault may lie with your Linux distribution.
KDE can be configured to different levels of printing debug information, and
most of that should be turned off when released to end users (major errors
excepted). Sometimes it's released still turned on, although you can turn it
off yourself with a GUI tool called kdebugdialog. Try it. It wont' fix
everything, though: some pieces of KDE do not follow the rules and use printing
functions that cannot be turned off that way. File bugs for those components,
but Okular is clean in that respect.

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