Extremely slow startup performance

Sia Lang silverlanguage at gmail.com
Wed Jul 2 09:21:10 UTC 2014

I'm trying to use Nashorn as a plugin framework.

However, code like:

    engine.eval(new BufferedReader(new FileReader("coffee-script.js")));

easily takes 10-15 seconds. V8 uses a few milliseconds (when using jav8 as

In my opinion, Nashorn is so slow on startup it's useless (I have tons of
plugin scripts, which accumulates to 2-3 minutes of application startup
time due to nashorn - with v8 i'm subsecond!)

What's going on? Anything I can do to fix this?


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