$ java -jar acha-uber.jar --port 8080 --dir .acha
Exception in thread "main" java.lang.ExceptionInInitializerError
at acha.achievement__init.load(Unknown Source)
at acha.achievement__init.<clinit>(Unknown Source)
...
Caused by: java.util.regex.PatternSyntaxException: Illegal character range near index 19
[\ud83c\udc00-\ud83d\udeff\udbb9\udce5-\udbb9\udcee]
^
at java.util.regex.Pattern.error(Pattern.java:1713)
... 33 more
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)
more logs here
I just tried to follow README
My environment: OS X 10.10 Yosemite