Error "Unable to resolve host <url>: No address associated with hostname" for application with Internet permission

Question

I am developing an android application on Android L (5.0.1). I have internet permission in my manifest as follows:

<uses-permission android:name="android.permission.INTERNET" />

I am receiving the following error: Unable to resolve host <url>: No address associated with hostname while running my application.

Restarting the Wifi on the phone while the application is open fixes the issue for that session. That means the URL is working fine. Doing this each time while testing the application is time consuming. This is also unacceptable in production.

Could not find any similar issues online. Any help would be greatly appreciated.

Hi. As mentioned in the question, on restarting the wifi when the application is open, I'm able to connect to the URL. Hence the URL should be working fine. — rahulr92
– rahulr92, Commented Apr 4, 2015 at 6:01
That means your device does not recognized WiFi after restart. — M D
– M D, Commented Apr 4, 2015 at 6:02
Disconnected applications throw same error. I was facing this yesterday, and argued with back end that url is invalid until realized (quite foolishly) that internet was disconnected. — Karan
– Karan, Commented Apr 4, 2015 at 6:03
@Kay Even when the application is throwing this error, other apps are able to connect to internet. Can a single application be disconnected even with internet permission? If so, whats could be the reason? — rahulr92
– rahulr92, Commented Apr 4, 2015 at 6:09

Heshan Sandeepa · Accepted Answer · 2015-04-04 05:57:28Z

1

Make sure You have concerned over followings ,

Always you are passing a valid url
You have connected to stable internet source.

answered Apr 4, 2015 at 5:57

Heshan Sandeepa

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2 Comments

rahulr92 Over a year ago

Restarting WiFi fixes the issue. Hence this shouldn't be an issue with the URL. Also, the internet connection is pretty stable since I am not having any connectivity issues on other apps or on laptop.

MobileAppDeveloper Over a year ago

I am facing the same issue. I have connection timeout and read timeout setup. Why is that it throws UnknowHostExcpetion and not SocketTimeoutException after the timeout period ?

rahulr92 · Accepted Answer · 2015-04-04 06:17:45Z

0

Solved the issue by restarting my device.

Now my application is able to send request to the server without having to restart device wifi. Not sure what caused the issue though.

Thanks for the quick support guys. :)

answered Apr 4, 2015 at 6:17

rahulr92

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