Error: Cannot send request to server. node php-fpm localhost - php

Question

fpm library. I want to integrate pubnub and replace socket io with it, but my code does not work in localhost.
What i have done till now
i have followed this to install fpm in xampp. Did i miss something? what i can do to run it?
after installing it worked for once but again stopped working (did not change anything in code).
the code works fine on live server.but in localhost i am getting below error.
Stripped content to Error: Cannot send request to server. but found something wrong...
see below image
This is my code
"use strict";
var PHPFPM = require('node-phpfpm');
var striptags = require('striptags');
const log = require('simple-node-logger').createSimpleFileLogger(process.env.LOGDIR + '/poker-phpwrapper.log');
class PHPWrapper {
constructor(concierge) {
this.phpfpm = new PHPFPM({
host: process.env.NODE_POKER_PHP_HOST,
post: process.env.NODE_POKER_PHP_PORT,
documentRoot: process.env.NODE_POKER_PHP_DOCROOT
});
this.concierge = concierge;
this.busy = false;
}
houseKeeping(messages) {
var php = this;
php.busy = true;
this.phpfpm.run({
uri: 'server_wrapper.php',
json: {
func: "houseKeeping",
messages: messages
}
}, function (err, body, phpErrors) {
php.busy = false;
if (body.trim() == '') {
return;
}
// Check for PHP errors
if (body.includes('<br />')) {
// Get all the errors out until we've just got JSON left
body = body.substring(body.indexOf('\n[')+1);
}
if (body.charAt(0) != '[') {
console.log('Stripped content to ' + body + " but found something wrong...");
}
try {
var data = JSON.parse(body);
} catch (parseError) {
// throw("An error occurred parsing the JSON from PHP: " + parseError + "\nBody contents:\n" + body);
data = '';
}
if (data.length == 0) {
return;
}
for (var i in data) {
if (data[i][0] == 'CONTROL') {
// Server control message, execute as appropriate
switch (data[i][1]) {
case 'force_exit': php.concierge.wipeStateAndExit(); break;
case 'reset_server': php.concierge.wipeState(); break;
}
} else {
// Message for client
php.concierge.msgToClient(data[i][0], data[i][1]);
}
}
});
}
isBusy() {
return this.busy;
}
}
module.exports = PHPWrapper;