kovacs-tamas commented on issue #43: Network Error cordova [email protected][bug] URL: https://github.com/apache/cordova-plugin-whitelist/issues/43#issuecomment-539520311 I have the also issues. I always get the following error message when i want to connect to a server: ``` XMLHttpRequest cannot load https://staging-server.****.com/version. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:8080' is therefore not allowed access. ``` I've never saw OPTIONS request before, no errors or warning in Monitor. ```bash Ionic: ionic (Ionic CLI) : 4.5.0 (/usr/local/lib/node_modules/ionic) Ionic Framework : ionic1 1.3.3 @ionic/v1-toolkit : 2.0.11 Cordova: cordova (Cordova CLI) : 9.0.0 ([email protected]) Cordova Platforms : android 8.1.0 Cordova Plugins : no whitelisted plugins (29 plugins total) System: Android SDK Tools : 26.1.1 (/Users/tamas/Library/Android/sdk/) ios-deploy : 1.9.2 ios-sim : 8.0.2 NodeJS : v10.15.3 (/usr/local/lib/node_modules/node/bin/node) npm : 2.15.12 OS : macOS Xcode : Xcode 11.0 Build version 11A420a ``` My network_security_config: ```xml <?xml version="1.0" encoding="utf-8"?> <network-security-config> <domain-config cleartextTrafficPermitted="true"> <domain includeSubdomains="true">127.0.0.1</domain> <domain includeSubdomains="true">******.com</domain> <domain includeSubdomains="true">">******.com</domain> <domain includeSubdomains="true">staging-server-******.com</domain> <domain includeSubdomains="true">server.****.com</domain> </domain-config> </network-security-config> ``` Config.xml parts: ```xml <access origin="*" /> <allow-intent href="*" /> <allow-intent href="http://*/*"; /> <allow-intent href="https://*/*"; /> <allow-intent href="tel:*" /> <allow-intent href="sms:*" /> <allow-intent href="mailto:*"; /> <allow-intent href="geo:*" /> <allow-navigation href="*" /> <edit-config file="app/src/main/AndroidManifest.xml" mode="merge" target="/manifest/application" xmlns:android="http://schemas.android.com/apk/res/android";> <application android:networkSecurityConfig="@xml/network_security_config" /> <application android:usesCleartextTraffic="true" /> </edit-config> <resource-file src="resources/android/xml/network_security_config.xml" target="app/src/main/res/xml/network_security_config.xml" /> ``` The generated Manifest.xml contains the needed parts: ```xml <application android:hardwareAccelerated="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:networkSecurityConfig="@xml/network_security_config" android:supportsRtl="true" android:usesCleartextTraffic="true"> ``` I've tried with Crosswalk and IonicWebview also, i use the latest version: **1.3.4** The strange thing, i've tried a workaround, when i always return true in the WhitelistPlugin.java, but the problem still exists ```java @Override public Boolean shouldAllowRequest(String url) { return true; // if (Boolean.TRUE == shouldAllowNavigation(url)) { // return true; // } // if (allowedRequests.isUrlWhiteListed(url)) { // return true; // } // return null; // Default policy } ```
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