Our client getting sometimes this error and we need to change port number on JavaGateway process to continue,

Failed to start the Gateway server: ERROR #5023: Remote Gateway Error: Communication failure on port: 5000
> ERROR #5001: External Language Server: invalid ping response

Can you tell as why it is happenning? intersystems runtime is under linux.

I have code hier and trying to view diacrit character

Class Test.REST.Services Extends EnsLib.REST.Service
{

Parameter ADAPTER = "EnsLib.HTTP.InboundAdapter";

Parameter EnsServicePrefix = "^TEST";

XData UrlMap
{
<Routes>
<Route Url="/dio/:Resource" Method="GET" Call="getDio" />
</Routes>
}