I am using vehicle routing example on web it work on localhost but when we upload on server it gives error.

when we click on solve this planning problem
Request URL:http://savegenie.mu:8080/optaplanner-webexamples-6.5.0.Final/rest/vehiclerouting/solution/solve
Request Method:POST
Status Code:500 Internal Server Error
Remote Address:192.163.217.5:8080
Referrer Policy:no-referrer-when-downgrade
Response Headers
view source
Connection:keep-alive
Content-Length:80
Content-Type:text/html;charset=UTF-8
Date:Fri, 23 Jun 2017 10:15:26 GMT
Request Headers
view source
Accept:application/json, text/javascript, /; q=0.01
Accept-Encoding:gzip, deflate
Accept-Language:en-US,en;q=0.8
Connection:keep-alive
Content-Length:0
Cookie:JSESSIONID=INspRJrqqnfKmkq1ip3BLtu3.server; CAKEPHP=d5d6b47363523e8c1ea65d65c5d0747f
Host:savegenie.mu:8080
Origin:http://savegenie.mu:8080
Referer:http://savegenie.mu:8080/optaplanner-webexamples-6.5.0.Final/vehiclerouting/leaflet.jsp
User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.47 Safari/537.36
X-Requested-With:XMLHttpRequest
Name
solve