RFR(XS): 8201369: Inet4AddressImpl_getLocalHostName reverse lookup on Solaris only

[Srividya Shamaiah]

Hi Chris,
Please review the attached patch in
http://cr.openjdk.java.net/~mhorie/8201369/webrev/

Can you also backport this to JDK 8, we have customers waiting for this fix
at JDK 8 level.

Thanks,
Srividya S



From:	Srividya Shamaiah/India/IBM
To:	"Langer, Christoph" <christoph.langer at sap.com>
Cc:	Chris Hegarty <chris.hegarty at oracle.com>, OpenJDK Network Dev
            list <net-dev at openjdk.java.net>
Date:	11/04/2018 03:35 PM
Subject:	RE: 8169865 : Changes not ported to IPv4


Thanks Chris , As you suggested, I will provide the patch based on jdk 11.

Thanks,
Srividya S




From:	"Langer, Christoph" <christoph.langer at sap.com>
To:	Srividya Shamaiah <sshamaia at in.ibm.com>, Chris Hegarty
            <chris.hegarty at oracle.com>
Cc:	OpenJDK Network Dev list <net-dev at openjdk.java.net>
Date:	11/04/2018 02:51 PM
Subject:	RE: 8169865 : Changes not ported to IPv4



Hi Srividya,

I would also welcome this fix.

Will you do the fix based on the jdk (11) depot? I think
Java_java_net_Inet4AddressImpl_getLocalHostName should then be exactly the
same as Java_java_net_Inet6AddressImpl_getLocalHostName. I can assist you
with sponsoring/backporting to JDK8, if you like.

Best regards
Christoph



From: net-dev [mailto:net-dev-bounces at openjdk.java.net] On Behalf Of
Srividya Shamaiah
Sent: Mittwoch, 11. April 2018 09:19
To: Chris Hegarty <chris.hegarty at oracle.com>
Cc: OpenJDK Network Dev list <net-dev at openjdk.java.net>
Subject: Re: 8169865 : Changes not ported to IPv4



Thank you Chris for opening the JIRA bug, I will work on the fix and
contribute it .

Thanks,
Srividya S

Inactive hide details for Chris Hegarty ---10/04/2018 08:51:05 PM---> On 10
Apr 2018, at 12:34, Srividya Shamaiah <sshamaia at in.Chris Hegarty
---10/04/2018 08:51:05 PM---> On 10 Apr 2018, at 12:34, Srividya Shamaiah <
sshamaia at in.ibm.com> wrote: >

From: Chris Hegarty <chris.hegarty at oracle.com>
To: Srividya Shamaiah <sshamaia at in.ibm.com>
Cc: OpenJDK Network Dev list <net-dev at openjdk.java.net>
Date: 10/04/2018 08:51 PM
Subject: Re: 8169865 : Changes not ported to IPv4





> On 10 Apr 2018, at 12:34, Srividya Shamaiah <sshamaia at in.ibm.com> wrote:
>
> Hi Chris,
>
> One of our customer reported a similar issue and the issue can be
resolved through the bug fix 8169865 which was include at 8u152 level. We
were looking this issue from AIX perspective as it did not do the reverse
lookup with bug fix 8169865 (as reverse lookup is limited to solaris after
the bug fix).
>
> While implementing the fix, we want to make sure the fix works for all
scenario. As there is an inconsistency between IPv6 and IPv4 after 8169865
(as reverse lookup still exists for IPv4 on AIX and Linux), we are afraid
whether customer can hit the same issue if they use IPv4.
>
> Please confirm whether it makes sense to remove the reverse lookup of
IPv4 for AIX and linux platforms so that IPv4 and IPv6 processing is
consistent for those platforms.

Yes, I believe it does.

I filed the follow JIRA issue to track this:

https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.openjdk.java.net_browse_JDK-2D8201369&d=DwIFAg&c=jf_iaSHvJObTbx-siA1ZOg&r=cY5OjfQF2gZ_G00XrJYGrxPgLDHmXjFqs49sDD9oJN0&m=-LhngTQSiYD1d12WSDvX2Jldxusyok9A7LqJ4ZEIzos&s=8fDzPwCaD2hwIOSWkfchiRBeDz3uSyzk81kDXZFarXo&e=


-Chris.




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