At first glance it doesn’t seem to be thread related. We’ll poke at it but it would be helpful if you reduced the problem.
— Jim > On Dec 15, 2015, at 11:53 AM, Stijn de Witt <stijndew...@hotmail.com> wrote: > > Dear fellow developers, > First of all thank you for your work on Nashorn. I am pretty excited at the > possibilities of being able to integrate my two favorite languages, Java and > Javascript. > I have two concrete questions and a problem (which caused the questions): > 1. Can a Nashorn engine be used across threads (using ScriptContext or > Bindings for isolation)?2. Is there a good example of using Nashorn from a > Servlet Filter? > My problem: > I am struggling with server-side rendering of React components using Nashorn. > I am deploying to OpenShift and whenever I try to make my app listen to the > rout route, I run into a weird ClassCastException somewhere inside the > Nashorn code. I now think this is due to a heartbeat request OpenShift's > haproxy is doing on my app that is causing (relatively) high load and > triggering a concurrency problem... This leads me to believe I am doing > something wrong in the way I create the script engine and using script > contexts in a ThreadLocal to isolate the different threads. > I have formulated my question, including logs and relevant code, on > StackOverflow.com.http://stackoverflow.com/questions/34276136/classcastexception-nativeregexpexecresult-cannot-be-cast-to-nativearray > > Could one of you maybe have a look at my situation, specifically my servlet > filter code and tell me if I am doing it wrong and if so, what I should > change?(I tried instantiating a different engine per thread and saving them > in a ThreadLocal, but this leads to OutOfMemory errors quickly) > Thank you for any tips, pointers to docs etc that you could spare. > With kind regards, > -Stijn > Stijn de Witthttp://stijndewitt.wordpress.com > >
