[
http://issues.apache.org/jira/browse/HARMONY-84?page=comments#action_12365837 ]
Paulex Yang commented on HARMONY-84:
------------------------------------
A suggested simple fix is rewrite the toString() as below:
<code>
public String toString() {
return (hostName==null?"":hostName)+"/"+getHostAddress();
}
</code>
> java.net.InetAddress() shouldn't perform reverse name lookup
> ------------------------------------------------------------
>
> Key: HARMONY-84
> URL: http://issues.apache.org/jira/browse/HARMONY-84
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Paulex Yang
> Priority: Minor
>
> Currently, the java.net.InetAddress.toString() is as below:
> <code>
> public String toString() {
> return getHostName() + "/" + getHostAddress();
> }
> </code>
> But actually the toString() should behave differently with getHostName()!
> the Java spec for toString():
> <spec>
> Converts this IP address to a String. The string returned is of the
> form: hostname / literal IP address. If the host name is unresolved, no
> reverse name service loopup is performed. The hostname part will be
> represented by an empty string.
> </spec>
> and the spec for getHostName() says:
> <spec>
> If this InetAddress was created with a host name, this host name will be
> remembered and returned; otherwise, a reverse name lookup will be performed
> and the result will be returned based on the system configured name lookup
> service.
> </spec>
> Spec shows that toString() shouldn't perform reverse name lookup while
> getHostName() should!
> A simple test show this bug:
> <code>
> public class ToStringTest{
> public static void main(String[] args) throws Exception{
> InetAddress addr = InetAddress.getByName("localhost");
> System.out.println(addr);
> InetAddress addr2 = InetAddress.getByAddress(new byte[]{127, 0, 0,
> 1});
> System.out.println(addr2);
> }
> }
> </code>
> on RI, it outputs:
> localhost/127.0.0.1
> /127.0.0.1
> and on Harmony, it outputs:
> localhost/127.0.0.1
> localhost/127.0.0.1
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