I also have the same problem in Ubuntu 20.04.1.
I’ve set the manual path to /usr/lib/libreoffice which fails. Also tried /usr/lib/libreoffice/program/classes. Files unoil.jar, jurt.jar,juh.jar, rdl.jar are in the classes folder. The libreoffice-java-common package is installed.
I’m using Libreoffice version 6.4.6.2 and JabRef 5.1–2020-08-30–e023aa0, both deb versions. I checked Tools -> Options -> Libreoffice -> Advanced
and Java is selected.
$ java --version
openjdk 11.0.9.1 2020-11-04
OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04)
OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04, mixed mode, sharing)
Any suggestions?
The jabref error message:
com.sun.star.comp.helper.BootstrapException: no office executable found!
at org.jabref@5.1.60000/org.jabref.gui.openoffice.Bootstrap.bootstrap(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.Bootstrap.bootstrap(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.OOBibBase.simpleBootstrap(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.OOBibBase.(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.OpenOfficePanel.createBibBase(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.OpenOfficePanel$2.call(Unknown Source)
at org.jabref@5.1.60000/org.jabref.gui.openoffice.OpenOfficePanel$2.call(Unknown Source)
at org.jabref.merged.module@5.1.60000/javafx.concurrent.Task$TaskCallable.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)