Can I run PicApport Headless on Linux and / or OpenJDK?

Yes, prerequisite PicApport.jar is at least version 3.2.1. Download 

CAUTION
To start PicApport Headless with the -cp option OpenJDK MUST be used (with -jar FX is tightened and that is not available)

For example (OpenJDK under windows)

set JAVA_HOME=e:\OpenJDKZulu\zulu1.7.0_72-7.7.0.1-win64
set PATH=e:\OpenJDKZulu\zulu1.7.0_72-7.7.0.1-win64\bin
java -DTRACE=INFO -Duser.home=e:\OpenJDKZulu -cp picapport.jar de.contecon.picapport.PicApport -configfile=e:\OpenJDKZulu\.picapport\picapport.properties -pgui.enabled=false

Example (OpenJDK under Debian)

java -DTRACE=INFO -Duser.home=/opt/picapport -cp picapport.jar de.contecon.picapport.PicApport -configfile=/opt/picapport/.picapport/picapport.properties -pgui.enabled=false

-DTRACE=INFO is optional (Values: ERROR, INFO, WARNING, DEBUG)
-Duser.home is optional and can be used to implement the database directory.

important console commands: Exit, Help

We have already tested:

• OpenJDK 1.7 Windows 8.1: zulu1.7.0_72-7.7.0.1-win64(-pgui.enabled=false)
• OpenJDK 1.8 Windows 8.1: zulu1.8.0_25-8.4.0.1-win64(-pgui.enabled=false)
• Debian (ohne xserver) 3.2.65-1+deb7u1 openjdk-7-jdk (7u71-2.5.3-2)