public class InetAddressUtil extends Object
Constructor and Description |
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InetAddressUtil() |
Modifier and Type | Method and Description |
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static String |
getLocalHostName()
When using the
InetAddress.getHostName() method in an
environment where neither a proper DNS lookup nor an /etc/hosts
entry exists for a given host, the following exception will be thrown:
java.net.UnknownHostException: <hostname>: <hostname>
at java.net.InetAddress.getLocalHost(InetAddress.java:1425)
... |
public InetAddressUtil()
public static String getLocalHostName() throws UnknownHostException
InetAddress.getHostName()
method in an
environment where neither a proper DNS lookup nor an /etc/hosts
entry exists for a given host, the following exception will be thrown:
java.net.UnknownHostException: <hostname>: <hostname>
at java.net.InetAddress.getLocalHost(InetAddress.java:1425)
...
Instead of just throwing an UnknownHostException and giving up, this
method grabs a suitable hostname from the exception and prevents the
exception from being thrown. If a suitable hostname cannot be acquired
from the exception, only then is the UnknownHostException thrown.UnknownHostException
java.net.InetAddress#getLocalHost()}
,
java.net.InetAddress#getHostName()}
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