Have a look at the 20ish latest posts here: Official Alexa Smart Home Skill for openHAB 2 - #594 by gmc
or here: Random Amaxon Echo/Alexa delay - #18 by mladams922
or even here:Myopenhab Socket.IO error, app not working - #2 by digitaldan
Solution could be this:
myopenHAB.org Maintenance Today - #12
