Thank you for your bug report, there are some discussions about that utility on Debian https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670040
** Bug watch added: Debian Bug tracker #670040 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670040 ** Changed in: texlive-extra (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to texlive-extra in Ubuntu. https://bugs.launchpad.net/bugs/1892600 Title: pdfannotextractor launch script is missing "-jar" flag Status in texlive-extra package in Ubuntu: New Bug description: pdfannotextractor is a script that is part of the pax package that is part of texlive-latex-extra : https://packages.ubuntu.com/focal /texlive-latex-extra The default installation throws this error: $ pdfannotextractor --debug submission.pdf PDFAnnotExtractor 0.1l, 2012/04/18 - Copyright (c) 2008, 2011, 2012 by Heiko Oberdiek. * CLASSPATH: [] * is_win: [0] * Which kpsewhich: [/usr/bin/kpsewhich] * Backticks: [kpsewhich --progname pdfannotextractor --format texmfscripts pax.jar] * Exit code: [0/success] * pax.jar: [/usr/share/texlive/texmf-dist/scripts/pax/pax.jar] * pdfbox.jar: [/usr/share/java/pdfbox.jar] * Which java: [/usr/bin/java] * System: [java /usr/share/texlive/texmf-dist/scripts/pax/pax.jar submission.pdf] Error: Could not find or load main class .usr.share.texlive.texmf-dist.scripts.pax.pax.jar Caused by: java.lang.ClassNotFoundException: /usr/share/texlive/texmf-dist/scripts/pax/pax/jar * Exit code: [1] The problem is that the classpath is not properly configured to use the jar. Simply adding the "-jar" flag solves the problem: $ java -jar /usr/share/texlive/texmf-dist/scripts/pax/pax.jar submission.pdf * Processing file `submission.pdf' ... In the code, pdfannotextractor.pl, the change would be located here: sub launch_pax () { check_prg $prg_java, 1; my @cmd = ($prg_java); push @cmd, $path_jar_pax; push @cmd, @ARGV; debug 'System', "@cmd"; Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/texlive-extra/+bug/1892600/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp