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Errors on ubuntu with openJDK

Error: On startup Caused by: java.lang.NoClassDefFoundError: javafx/application/Application

Solution: sudo apt install openjfx

Errors on Synology NAS on startup

Error: On startup Caused by: java.lang.NoClassDefFoundError: javafx/application/Application

Problem: openjfx can not be installed

Solution:

  • Download oracle-jdk8 (Linux x64 for DSM 218+) and extract
  • run phobox with ./jdk1.8.0_202/bin/java -jar phobox-server-1.0.0.jar -nw