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#1 |
Wizard
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Error cailbre 8.11.1 calibre-debug --gui Mint 22.2
Code:
$ calibre-debug --gui calibre 8.11.1 embedded-python: True Linux-6.14.0-32-generic-x86_64-with-glibc2.39 Linux ('64bit', 'ELF') ('Linux', '6.14.0-32-generic', '#32~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Sep 2 14:21:04 UTC 2') Python 3.11.13 Interface language: None EXE path: /opt/calibre/bin/calibre-debug Successfully initialized third party plugins: ACSM Input (0, 1, 0) && Gather KFX-ZIP (from KFX Input) (2, 26, 2) && DeDRM (10, 0, 9) && Package KFX (from KFX Input) (2, 26, 2) && ACSM Input Plugin GUI Extension (0, 1, 0) && Baen (1, 1, 0) && Barnes & Noble (1, 5, 7) && Diaps Editing Toolbag (0, 5, 0) && EpubMerge (3, 2, 0) && EpubSplit (3, 12, 0) && Goodreads (1, 8, 3) && Hyphenate This! (0, 1, 3) && KFX metadata reader (from KFX Input) (2, 26, 2) && From KFX (2, 26, 2) && KFX Input (2, 26, 2) && KindleUnpack - The Plugin (0, 83, 8) && Kobo Utilities (2, 24, 3) && Modify ePub (1, 8, 6) && Quality Check (1, 14, 2) QPA platform: xcb devicePixelRatio: 1.09375 logicalDpi: 96.0 x 96.0 physicalDpi: 84.58633776091081 x 84.69527027027027 ApplicationPaletteChange event ignored Using calibre Qt style: True Traceback (most recent call last): File "runpy.py", line 198, in _run_module_as_main File "runpy.py", line 88, in _run_code File "site.py", line 47, in <module> File "site.py", line 43, in main File "calibre/debug.py", line 234, in main File "calibre/gui_launch.py", line 74, in calibre File "calibre/gui2/main.py", line 548, in main File "calibre/gui2/main.py", line 560, in run_main File "calibre/gui2/main.py", line 398, in run_gui File "calibre/gui2/main.py", line 408, in run_gui_ File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/ui.py", line 51, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/init.py", line 37, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/library/alternate_views.py", line 67, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/pin_columns.py", line 9, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/library/delegates.py", line 46, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/dialogs/comments_dialog.py", line 11, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "calibre/gui2/comments_editor.py", line 14, in <module> File "<frozen importlib._bootstrap>", line 1176, in _find_and_load File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 690, in _load_unlocked File "bypy-importer.py", line 279, in exec_module File "html5_parser/__init__.py", line 31, in <module> RuntimeError: html5-parser and lxml are using different versions of libxml2. This happens commonly when using pip installed versions of lxml. Use pip install --no-binary lxml lxml instead. libxml2 versions: html5-parser: (2, 9, 14) != lxml: (2, 15, 0) bernie |
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#2 |
creator of calibre
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Doesn't reproduce for me. Are the env vars the same when you run calibre and calibre-debug --gui?
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#3 |
Wizard
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This is a fresh install of Linux Mint 22.2 on a new disk. Calibre also does not start when using "Restart in debug mode".
Did a calibre-uninstall then a clean install of 8.11.1 same result. Reverted to 8.10 calibre-debug works. Code:
$ calibre-debug --gui calibre 8.10 embedded-python: True Linux-6.14.0-32-generic-x86_64-with-glibc2.39 Linux ('64bit', 'ELF') ('Linux', '6.14.0-32-generic', '#32~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Sep 2 14:21:04 UTC 2') Python 3.11.12 Interface language: None EXE path: /opt/calibre/bin/calibre-debug Successfully initialized third party plugins: ACSM Input (0, 1, 0) && Gather KFX-ZIP (from KFX Input) (2, 26, 2) && DeDRM (10, 0, 9) && Package KFX (from KFX Input) (2, 26, 2) && ACSM Input Plugin GUI Extension (0, 1, 0) && Baen (1, 1, 0) && Barnes & Noble (1, 5, 7) && Diaps Editing Toolbag (0, 5, 0) && EpubMerge (3, 2, 0) && EpubSplit (3, 12, 0) && Goodreads (1, 8, 3) && Hyphenate This! (0, 1, 3) && KFX metadata reader (from KFX Input) (2, 26, 2) && From KFX (2, 26, 2) && KFX Input (2, 26, 2) && KindleUnpack - The Plugin (0, 83, 8) && Kobo Utilities (2, 24, 3) && Modify ePub (1, 8, 6) && Quality Check (1, 14, 2) QPA platform: xcb devicePixelRatio: 1.09375 logicalDpi: 96.0 x 96.0 physicalDpi: 84.58633776091081 x 84.69527027027027 ApplicationPaletteChange event ignored Using calibre Qt style: True [0.00] Starting up... |
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#4 |
creator of calibre
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Strange, dont see how that's possible. Try
LD_DEBUG=libs ./calibre-debug -g 2>&1 | grep libxml2 and post the output. |
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#5 |
Wizard
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Got a head of myself.
Code:
RuntimeError: html5-parser and lxml are using different versions of libxml2. This happens commonly when using pip installed versions of lxml. Use pip install --no-binary lxml lxml instead. libxml2 versions: html5-parser: (2, 9, 14) != lxml: (2, 15, 0) Last edited by gbm; 09-27-2025 at 11:14 PM. |
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#6 |
creator of calibre
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Yeah I want the output from LD_DEBUG, that message doesnt tell me where the older libxml2 is coming from
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#7 |
Wizard
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It did not print any out put but I do have:
Code:
libxml2.so.2.9.14 /lib/x86_64-linux-gnu Code:
libxml2.so.2.13.8 /var/lib/flatpak/runtime/org.freedesktop.Platform/x86_64/24.08/e2cda5d7700bf0f02c764e151918a6e93def2634e8df9dc0dec52c4a1923ef88/files/lib/x86_64-linux-gnu Code:
libxml2.so.2.13.8 /var/lib/flatpak/runtime/org.kde.Platform/x86_64/5.15-24.08/79fbdb22e166f20c4ca1f6639415d8dac00cfe64b07ab18d0f5a875c73942225/files/lib/x86_64-linux-gnu Going to bed. 8.11.1 works except for debug gui. |
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#8 |
creator of calibre
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And what does
ldd ./lib/calibre-extensions/html5_parser.html_parser.so output? |
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#9 |
creator of calibre
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I tried this in a debian:stable container which has libxml2.so.2.19.4 and couldnt reproduce there either.
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#10 |
Wizard
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8.10.0
Code:
LD_DEBUG=libs ./calibre-debug -g 2>&1 | grep libxml2 grep libxml2 grep: grep: No such file or directory grep: libxml2: No such file or directory Code:
ldd: ./lib/calibre-extensions/html5_parser.html_parser.so: No such file or directory 8.11.1 Code:
LD_DEBUG=libs ./calibre-debug -g 2>&1 | grep libxml2 grep libxml2 grep: grep: No such file or directory grep: libxml2: No such file or directory Code:
ldd: ./lib/calibre-extensions/html5_parser.html_parser.so: No such file or directory bernie |
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#11 |
Wizard
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Ok installed calibre 8 on a Mint 22.2 live usb and calibre debug worked.
Will install on different disk or vm and test without and with the flatpacks I use. Will be tomorrow or Tuesday. bernie |
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#12 |
creator of calibre
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You need just grep libxml2 not grep libxml2 grep libxml
And run the ldd comman inside the calibre installation dir, typically /opt/calibre |
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#13 |
Wizard
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Sorry to get back so late, my monitor died.
Updated to calibre 8.12 still the same error. calibre launches using the calibre command or launcher. Code:
/opt/calibre$ ldd ./lib/calibre-extensions/html5_parser.html_parser.so linux-vdso.so.1 (0x00007fe1a9c34000) libxml2.so.16 => not found libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe1a9800000) /lib64/ld-linux-x86-64.so.2 (0x00007fe1a9c36000) Code:
/opt/calibre$ LD_DEBUG=libs ./calibre-debug -g 2>&1 | grep libxml2 22233: find library=libxml2.so.16 [0]; searching 22233: trying file=/opt/calibre/lib/libxml2.so.16 22233: calling init: /opt/calibre/lib/libxml2.so.16 22233: find library=libxml2.so.2 [0]; searching 22233: trying file=/opt/calibre/lib/libxml2.so.2 22233: trying file=/lib/x86_64-linux-gnu/libxml2.so.2 22233: calling init: /lib/x86_64-linux-gnu/libxml2.so.2 RuntimeError: html5-parser and lxml are using different versions of libxml2. This happens commonly when using pip installed versions of lxml. Use pip install --no-binary lxml lxml instead. libxml2 versions: html5-parser: (2, 9, 14) != lxml: (2, 15, 0) 22233: calling fini: /lib/x86_64-linux-gnu/libxml2.so.2 [0] 22233: calling fini: /opt/calibre/lib/libxml2.so.16 [0] Spoiler:
bernie |
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#14 |
creator of calibre
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That's just weird something is trying to load libxml.so.2 but nothing in calibre links against that. Maybe one of your calibre plugins? Try running it as
calibre-debug -g -- --ignore-plugins In any case the workaround is simple just do ln -s libxml2.so.16 /opt/calibre/lib/libxml2.so.2 that will force whatever it is to load libxml2.so.16 |
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#15 | |
Wizard
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Quote:
The --ignore-plugins does not make any difference. And the problem only happens when trying to start calibre in debug mode. Starting calibre normally was OK even before the workaround. Last edited by capink; Today at 05:46 AM. |
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