https //127.0.0.1:111001 unexpectedly closed the connection - ionic-framework

Question

https//127.0.0.1:111001 unexpectedly closed the connection
I need to hit https//127.0.0.1:111001 for Mantra Rd service connection . but not able to hit Getting error connection closed (I am using IONIC for mobile application) The same thing is working on web with angular8.
please help...

Answer 1

const xhr = new XMLHttpRequest();
let url = "https://127.0.0.1:11100"
xhr.open('DEVICEINFO', url);
const params = '<?xml version="1.0"?> <PidOptions ver="1.0"> <Opts fCount="' + 5 + '" fType="' + "FMR" + '" iCount="' + 1 + '" pCount="' + 1 + '" format="' + 0 + '" pidVer="' + 2.0 + '" timeout="' + 60000 + '" posh="UNKNOWN" env="' + 'P' + '" /> ' + 'this.DemoFinalString' + '<CustOpts><Param name="mantrakey" value="' + '' + '" /></CustOpts> </PidOptions>';
// set `Content-Type` header
xhr.setRequestHeader('Content-Type', 'text/xml');
xhr.send(params);
xhr.onload = async () => {
const parser = new DOMParser();
const xml = parser.parseFromString(xhr.responseText, 'text/xml');
this.obj = await this.xmlToJsonfn(xml);
this.currentdeviceInfoSubject.next(this.obj);
};
xhr.onerror = function (e) {
console.log('eoor', e);
if (e.type == 'error') {
// alert('please download the Driver');
}
};