android.os.NetworkOnMainThreadException: This exception has no message.

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Samebug tips

via Stack Overflow by Razgriz

Happens when you make a network call on the main UI thread of the Android application which results in a UI freeze until the network call is complete and the response is received. Instead, execute the network calls in the background: use AsyncTask.


An alternative for just getting rid of the Exception is use StrictMode.ThreadPolicy to force execute on main thread.

StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

Solutions on the web

via GitHub by jehy
, 11 months ago
This exception has no message.
via GitHub by schrockblock
, 1 year ago
via GitHub by h1091129209
, 1 year ago
This exception has no message.
via Stack Overflow by Lokke
, 2 years ago
This exception has no message.
via Stack Overflow by Rakeeb Rajbhandari
, 2 years ago
at sun.nio.cs.StreamEncoder.writeBytes(
at sun.nio.cs.StreamEncoder.implFlushBuffer(
at sun.nio.cs.StreamEncoder.implFlush(
at sun.nio.cs.StreamEncoder.flush(
at net.freehaven.tor.control.TorControlConnection.sendAndWaitForResponse(
at net.freehaven.tor.control.TorControlConnection.getInfo(
at net.freehaven.tor.control.TorControlConnection.getInfo(
at com.msopentech.thali.toronionproxy.OnionProxyManager.isBootstrapped(
at com.msopentech.thali.toronionproxy.OnionProxyManager.isRunning(
at android.os.Handler.handleCallback(
at android.os.Handler.dispatchMessage(
at android.os.Looper.loop(

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