On freshly installed Ubuntu 18.10 Arduino installed from official repositories can't start with error
Exception in thread "main" java.lang.ExceptionInInitializerError
at processing.app.Preferences.save(Preferences.java:735)
at processing.app.Preferences.init(Preferences.java:249)
at processing.app.Base.main(Base.java:117)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 2
at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
at java.base/java.lang.String.substring(String.java:1874)
at processing.core.PApplet.<clinit>(Unknown Source)
... 3 more
How can I debug this issue?