Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: common-dev@hadoop.apache.org
Received-SPF: error (athena.apache.org: encountered temporary error during SPF
 processing of domain of vinodkv@hortonworks.com)
Subject: Re: Set minimum version of Hadoop 3 to JDK 8
MIME-Version: 1.0
From: Vinod Kumar Vavilapalli <vinodkv@hortonworks.com>
To: "mapreduce-dev@hadoop.apache.org" <mapreduce-dev@hadoop.apache.org>
CC: "hdfs-dev@hadoop.apache.org" <hdfs-dev@hadoop.apache.org>,
	"common-dev@hadoop.apache.org" <common-dev@hadoop.apache.org>,
	"yarn-dev@hadoop.apache.org" <yarn-dev@hadoop.apache.org>
Thread-Topic: Set minimum version of Hadoop 3 to JDK 8
Thread-Index: AQHQfICor9ApP5GrkkK/e9H82Yh3CJ1YfcoAgAAEVACAACf/gIAABwIA
Date: Wed, 22 Apr 2015 01:19:33 +0000
Message-ID: <148D11FE-6E1D-4613-B0B4-88A8545F492F@hortonworks.com>
References: 
 <CAHz+ZFdjW4GyWk3twjg6ZjfkoDQD0pcA6EhZF3=OLNjdZT908A@mail.gmail.com>
 <CAHz+ZFe2FfreigLvY+wPzw0=1d4FkA9E7LQ3Y3aYD58bu1GKiA@mail.gmail.com>
 <CAGB5D2b+qQRmQ7JeYkjBh1HXTU5=V3eS0HsZ-SbiFNgE8D5sHA@mail.gmail.com>
 <CAHz+ZFfwwqRkQYemqJ4_8t3oR-K=SvwEBGOTPxrGfrDknLofzg@mail.gmail.com>
In-Reply-To: 
 <CAHz+ZFfwwqRkQYemqJ4_8t3oR-K=SvwEBGOTPxrGfrDknLofzg@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
Content-Type: text/plain; charset="us-ascii"
Content-ID: <67EC02C6DEF0304EB125AF981F877667@exch080.serverpod.net>
Content-Transfer-Encoding: quoted-printable

We don't want JDK 8 only code going into branch-2 line. Moving Jenkins to 1=
.8 right-away will shield such code, how do we address that?

Thanks,
+Vinod

On Apr 21, 2015, at 5:54 PM, Robert Kanter <rkanter@cloudera.com> wrote:

> Sure, I'll try to change the Jenkins builds to 1.8 first.
>=20
> On Tue, Apr 21, 2015 at 3:31 PM, Andrew Wang <andrew.wang@cloudera.com>
> wrote:
>=20
>> Hey Robert,
>>=20
>> As a first step, could we try switching all our precommit and nightly
>> builds over to use 1.8? This is a prerequisite for HADOOP-11858, and saf=
e
>> to do in any case since it'll still target 1.7.
>>=20
>> I'll note that HADOOP-10530 details the pain Steve went through switchin=
g
>> us to JDK7. Might be some lessons learned about how to do this transitio=
n
>> more smoothly.
>>=20
>> Thanks,
>> Andrew
>>=20
>> On Tue, Apr 21, 2015 at 3:15 PM, Robert Kanter <rkanter@cloudera.com>
>> wrote:
>>=20
>>> + yarn-dev, hdfs-dev, mapred-dev
>>>=20
>>> On Tue, Apr 21, 2015 at 3:14 PM, Robert Kanter <rkanter@cloudera.com>
>>> wrote:
>>>=20
>>>> Hi all,
>>>>=20
>>>> Moving forward on some of the discussions on Hadoop 3, I've created
>>>> HADOOP-11858 to set the minimum version of Hadoop 3 to JDK 8.  I just
>>>> wanted to let everyone know in case there's some reason we shouldn't g=
o
>>>> ahead with this.
>>>>=20
>>>> thanks
>>>> - Robert
>>>>=20
>>>=20
>>=20