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

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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.

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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();
StrictMode.setThreadPolicy(policy);

Solutions on the web

via Stack Overflow by dinesh707
, 2 years ago
This exception has no message.
via Stack Overflow by Achron
, 2 years ago
via Stack Overflow by p.Valery
, 2 years ago
This exception has no message.
via Stack Overflow by DevCon
, 2 years ago
This exception has no message.
via Stack Overflow by LookedPath
, 2 years ago
This exception has no message.
android.os.NetworkOnMainThreadException:
at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:137)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:365)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:587)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:511)
at com.heycabs.heycabs.JSONParser.makeHttpRequest(JSONParser.java:65)

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