[android-developers] Re: Unable to resolve host "mysite.com" No address associated with hostname

John Merlino wrote:

I have a site up and running and I can even connect to it with the
emulator, and up to an hour ago I was able to connect to it with the
android device as well. However, now I am suddenly getting this
message when trying to connect to a URL while testing on the device:

01-07 17:52:42.650: W/System.err(24859):
java.net.UnknownHostException: Unable to resolve host "mysite.com": No
address associated with hostname
01-07 17:52:42.650: W/System.err(24859):         at
java.net.InetAddress.lookupHostByName(InetAddress.java:424)
01-07 17:52:42.650: W/System.err(24859):         at
java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
01-07 17:52:42.650: W/System.err(24859):         at
java.net.InetAddress.getAllByName(InetAddress.java:214)
01-07 17:52:42.650: W/System.err(24859):         at
org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:
137)

I tried it with emulator again and emulator still is able to connect
to host, but the device keeps producing the above error.

What changed an hour ago?

You don't give a lot of information here. I'm guessing that the device is not connected to the private LAN that has 

the DNS server that resolves the hostname. The emulator shares the network connectivity of its host; not so the 

real device.

You might have to (reverse) tether the device to get it to access the LAN.

-- 

Lew

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