- OS: Debian GNU/Linux Sid(amd64)
 - AppImage: LibreOffice-4.3.7.2.standard-x86_64.AppImage
 
I needed old LibreOffice and downloaded AppImage.
I set the execution permissions on AppImage and got the following error when I tried to launch it.
$ ./LibreOffice-4.3.7.2.standard-x86_64.AppImage 
javaldx: Could not find a Java Runtime Environment!
Warning: failed to read path from javaldx
OpenJDK is installed.
$ LANG=C dpkg-query -l *jre*
ii  default-jre                   2:1.11-72    amd64        Standard Java or Java compatible Runtime
ii  default-jre-headless          2:1.11-72    amd64        Standard Java or Java compatible Runtime (headless)
ii  openjdk-11-jre:amd64          11.0.8+10-1  amd64        OpenJDK Java runtime, using Hotspot JIT
ii  openjdk-11-jre-headless:amd64 11.0.8+10-1  amd64        OpenJDK Java runtime, using Hotspot JIT (headless)
ii  openjdk-11-jre-zero:amd64     11.0.8+10-1  amd64        Alternative JVM for OpenJDK, using Zero
ii  openjdk-8-jre:amd64           8u265-b01-1  amd64        OpenJDK Java runtime, using Hotspot JIT
ii  openjdk-8-jre-headless:amd64  8u265-b01-1  amd64        OpenJDK Java runtime, using Hotspot JIT (headless)
How can I launch LibreOffice AppImage?