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Posted to dev@harmony.apache.org by "Svetlana Samoilenko (JIRA)" <ji...@apache.org> on 2006/02/07 13:16:59 UTC
[jira] Commented: (HARMONY-56)
java.net.InetAddress.getAllByName(null) throws UnknownHostException instead
of valid InetAddress
[ http://issues.apache.org/jira/browse/HARMONY-56?page=comments#action_12365427 ]
Svetlana Samoilenko commented on HARMONY-56:
--------------------------------------------
Tim,
I used revision 375576 and all works fine.
Test output is:
***InetAddress.getAllByName(null)[0] returned localhost/127.0.0.1
Thank you.
> java.net.InetAddress.getAllByName(null) throws UnknownHostException instead of valid InetAddress
> ------------------------------------------------------------------------------------------------
>
> Key: HARMONY-56
> URL: http://issues.apache.org/jira/browse/HARMONY-56
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Svetlana Samoilenko
> Assignee: Tim Ellison
>
> According to j2se 1.4.2 specification java.net.InetAddress.getAllByName(String host) method allows a host is null. In this case the InetAddress representing an address of the loopback interface is returned.
> But as we can see from the test listed below java.net.InetAddress.getAllByName(null) throws UnknownHostException instead of valid InetAddress.
> Code to reproduce:
> import java.net.*;
> public class test2 {
> public static void main (String[] args) {
>
> try {
> InetAddress[] ia = InetAddress.getAllByName(null);
> for (int i = 0; i<ia.length; i++) {
> System.out.println("***InetAddress.getAllByName(null)["+i+"] returned " + ia[i]);
> }
> } catch (Exception e) {
> System.out.println("***Unexpected exception:" + e);
> }
> }
> }
> Steps to Reproduce:
> 1. Build Harmony (check-out on 2006-01-30) j2se subset as described in README.txt.
> 2. Compile test2.java using BEA 1.4 javac
> > javac -d . test2.java
> 3. Run java using compatible VM (J9)
> > java -showversion test2
> Output:
> C:\tmp>C:\jrockit-j2sdk1.4.2_04\bin\java.exe -showversion test2
> java version "1.4.2_04"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)
> BEA WebLogic JRockit(TM) 1.4.2_04 JVM (build ari-31788-20040616-1132-win-ia32, Native Threads, GC strategy: parallel)
> ***InetAddress.getAllByName(null)[0] returned localhost/127.0.0.1
> C:\tmp>C:\harmony\trunk\deploy\jre\bin\java -showversion test2
> (c) Copyright 1991, 2005 The Apache Software Foundation or its licensors, as applicable.
> ***Unexpected exception:java.net.UnknownHostException: No host name provided
> Suggested junit test case:
> ------------------------ InetAddressTest.java -------------------------------------------------
> import java.net.*;
> import junit.framework.*;
> public class InetAddressTest extends TestCase {
> public static void main(String[] args) {
> junit.textui.TestRunner.run(InetAddressTest.class);
> }
> public void test_getAllByName() {
> try {
> InetAddress[] ia = InetAddress.getAllByName(null);
> assertEquals ("Assert 0: getAllByName() returns incorrect value " + ia[0].toString(),"localhost/127.0.0.1",ia[0].toString());
> } catch (Exception e) {
> fail("Assert 1: Unexpected exception:" + e);
> }
> }
> }
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