FreeBSD 10.3 Plugins Installation

Hi, can somebody help me?

How i can install Serviio 1.7 Plugins?
Im using FreeBSD 10.3
Where i must copy?

pls, help. thx

nobody knows?

cd /usr/local/share/java/serviio/

java -cp serviio.jar:slf4j-api.jar:slf4j-log4j12.jar:log4j.jar:org.restlet.jar:groovy-all.jar groovy.ui.GroovyMain plugins/Youtube.groovy

Starting the internal HTTP client
Caught: java.lang.IllegalArgumentException: The JSON input text should neither be null nor empty.
java.lang.IllegalArgumentException: The JSON input text should neither be null nor empty.
at YouTube.extractItems(Youtube.groovy:52)
at YouTube$extractItems.call(Unknown Source)
at YouTube.main(Youtube.groovy:194)

Fixed.

PATH: /var/db/serviio/home/plugins

Add this directory, copy plugins there.