Uncaught DOMException: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL at n.send (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:2:26649) at n.exec (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:1:20703) at n.shimExec (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:1:21775) at n.exec (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:1:21908) at r (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:2:3854) at f.u (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:2:4332) at f.send (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/moxie.min.js?ver=3.3.6:2:7786) at uploadNextChunk (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/plupload.dev.js?ver=3.3.6:1462:9) at plupload.Uploader.onUploadFile (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/plupload.dev.js?ver=3.3.6:1503:4) at plupload.Uploader.<anonymous> (//xn--e1anebeg3i.xn--p1ai/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/nextgen_addgallery_page/static/plupload-2.1.1/plupload.dev.js?ver=3.3.6:2027:17)
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Failed to execute 'open' on 'XMLHttpRequest': Invalid URL
Tags: angular , ionic2 , mean Answers: 1 | Viewed 46,197 times
I got run time error:
Failed to execute 'open' on 'XMLHttpRequest': Invalid URL
Error: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL
at //localhost:8100/build/polyfills.js:3:2793
at XMLHttpRequest.open (eval at s (//localhost:8100/build/polyfills.js:2:29793), :3:31)
import { Injectable } from '@angular/core';
import { Http, Headers } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class Reviews {
data: any;
constructor(public Http) {
this.data = null;
}
getReviews(){
if (this.data) {
return Promise.resolve(this.data);
}
return new Promise(resolve => {
this.http.get('//localhost:app/api/reviews')
.map(res => res.json())
.subscribe(data => {
this.data = data;
resolve(this.data);
});
});
}
createReview(review){
let headers = new Headers();
headers.append('Content-Type', 'application/json');
this.http.post('//localhost:app/api/reviews', JSON.stringify(review), {headers: headers})
.subscribe(res => {
console.log(res.json());
});
}
deleteReview(id){
this.http.delete('//localhost:app/api/reviews/' + id).subscribe((res) => {
console.log(res.json());
});
}
}
Quentin answer at 2017-03-23 31
//localhost:app/api/reviews
This is an invalid URL (just like the error message says).
If you have a : after the hostname, it must be followed by a port NUMBER (and then the path). app is not a number, it is three letters.
* The answers/resolutions are collected from stackoverflow, are licensed under CC BY-SA 3.0
Some Code Answers
import { Injectable } from '@angular/core';
import { Http, Headers } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable() export class Reviews {
data: any;
constructor(public Http) {
this.data = null;
} getReviews(){
if (this.data) {
return Promise.resolve(this.data);
}
return new Promise(resolve =>
{
this.http.get('//localhost:app/api/reviews')
.map(res =>
res.json())
.subscribe(data =>
{
this.data = data;
resolve(this.data);
});
});
} createReview(review){
let headers = new Headers();
headers.append('Content-Type', 'application/json');
this.http.post('//localhost:app/api/reviews', JSON.stringify(review), {headers: headers})
.subscribe(res =>
{
console.log(res.json());
});
} deleteReview(id){
this.http.delete('//localhost:app/api/reviews/' + id).subscribe((res) =>
{
console.log(res.json());
});
} }
//localhost:app/api/reviews
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