Domexception failed to execute open on xmlhttprequest invalid url

  • Uncaught DOMException: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL
        at n.send (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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> (https://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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    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url
    Domexception failed to execute open on xmlhttprequest invalid url

    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 http://localhost:8100/build/polyfills.js:3:2793
    at XMLHttpRequest.open (eval at s (http://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: Http) {
    this.data = null;
    }
    getReviews(){
    if (this.data) {
    return Promise.resolve(this.data);
    }
    return new Promise(resolve => {
    this.http.get('http://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('http://localhost:app/api/reviews', JSON.stringify(review), {headers: headers})
    .subscribe(res => {
    console.log(res.json());
    });
    }
    deleteReview(id){
    this.http.delete('http://localhost:app/api/reviews/' + id).subscribe((res) => {
    console.log(res.json());
    });
    }
    }


    Quentin answer at 2017-03-23 31




    http://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: Http) {
    this.data = null;
    } getReviews(){
    if (this.data) {
    return Promise.resolve(this.data);
    }
    return new Promise(resolve =>
    {
    this.http.get('http://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('http://localhost:app/api/reviews', JSON.stringify(review), {headers: headers})
    .subscribe(res =>
    {
    console.log(res.json());
    });
    } deleteReview(id){
    this.http.delete('http://localhost:app/api/reviews/' + id).subscribe((res) =>
    {
    console.log(res.json());
    });
    } }

    http://localhost:app/api/reviews 

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