Disclaimer: I am _not_ a developer.
TL;DR - after updating to latest versions of kde-plasma and qt, the eviewer no longer opens books
I can no longer open and books which normally open internally in the viewer. The message is:
Quote:
Failed to communicate with "/manifest?1572751320579", with status: [200] OK<br><br>
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I don't believe this is a Calibre problem "per se" but ... others may also encounter it.
Background:
I run Gentoo linux so I usually install Calibre through the Gentoo portage tree. Last week, I saw you comment about a bug fix that was included in 4.2.0 so I installed a copy into my local package tree because it hadn't made the Gentoo package tree yet. Everything (including the eviewer) worked as expected.
Today, I performed a global update of all packages including qt dependencies and kde plasma packages. QT is now rev 5.13.2. kde-plasma went from 5.17.1 to 5.17.2.
For me since the QT/kde-plasma upgrade; e-viewer no longer opens epub, fb2, lit nor mobi. They all fail with the same error as above. Only the "manifest?###########" changes.
Assuming this had something to do with Calibre's internal database, I ran library maintenance in 'check library' mode. Only these errors were found
Quote:
Invalid titles,[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ],[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ]/[New Life+] Young Again in Another World v01 [J-Novel Club] [LuCaZ].epub
Invalid titles,[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ],[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ]/[New Life+] Young Again in Another World v02 [J-Novel Club] [LuCaZ].epub
Extra titles,Second Squad Jam_ Start (8427),Reki Kawahara/Second Squad Jam_ Start (8427)
Invalid authors,metadata_pre_restore.db,metadata_pre_resto re.db
Extra authors,Imawa no Kuni no Alice,Imawa no Kuni no Alice
Extra authors,[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ],[New Life+] Young Again in Another World [J-Novel Club] [LuCaZ]
Unknown files in books,Mayo Chiki - 02 (9726),Hajime Asano/Mayo Chiki - 02 (9726)/2.jpg
Unknown files in books,Mayo Chiki - 02 (9726),Hajime Asano/Mayo Chiki - 02 (9726)/3.jpg
Unknown files in books,Mayo Chiki - 02 (9726),Hajime Asano/Mayo Chiki - 02 (9726)/4.jpg
Unknown files in books,Mayo Chiki - 02 (9726),Hajime Asano/Mayo Chiki - 02 (9726)/1.jpg (out of nearly 8,200 books, nearly all them including multiple formats.
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Please advise.