a description of the documentation issue
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The variable "groupOwnerAddress" is declared as type InetAddress, but that's not the type returned by getHostAddress().

InetAddress groupOwnerAddress = info.groupOwnerAddress.getHostAddress());

getHostAddress() returns a String.

the URL for the page in which it exists
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http://developer.android.com/training/connect-devices-wirelessly/wifi-direct.html

a copy of the text or code that contains the issue
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Under the subheading "Connect to a Peer", there is this code snippet:

@Override
public void onConnectionInfoAvailable(final WifiP2pInfo info) {

// InetAddress from WifiP2pInfo struct.
InetAddress groupOwnerAddress = info.groupOwnerAddress.getHostAddress());

// After the group negotiation, we can determine the group owner.
if (info.groupFormed && info.isGroupOwner) {
// Do whatever tasks are specific to the group owner.
// One common case is creating a server thread and accepting
// incoming connections.
} else if (info.groupFormed) {
// The other device acts as the client. In this case,
// you'll want to create a client thread that connects to the group
// owner.
}
}

Please also note that there's a typo in that code: there's an extra ")" after getHostAddress()