Java issues

[AlceuNeto]

when i click to save it goes 2 Java errors :
"Uncaught exception:
Error: connect ECONNREFUSED 127.0.0.1:49903
at Object.exports_ernoException (util,js:1024:11)
at exports_exceptionWithHostPort (util,js:1047:20)
at TCPConnectWrap.afterConnect [as oncomplete] (Net.js:1150:14)"
and

"Uncaught exception:
Error: socket hang up
at createHangUpError (_http_client.js:345:15)
at TLSSocket.socket.Close.Listener (_http_client.js:377:23)
at emitOne (events.js:120:20)
at TLSSocket.emit (events.js:210:7)
at _handle.close (net.js:549:12)
at TCP.done [as_onclose] (_tls_wrap.js:350:7)"