Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 2075611E21 for ; Wed, 20 Aug 2014 00:50:51 +0000 (UTC) Received: (qmail 80681 invoked by uid 500); 20 Aug 2014 00:50:50 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 80597 invoked by uid 500); 20 Aug 2014 00:50:50 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 80223 invoked by uid 99); 20 Aug 2014 00:50:50 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Aug 2014 00:50:50 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of mfoley@hortonworks.com designates 209.85.215.54 as permitted sender) Received: from [209.85.215.54] (HELO mail-la0-f54.google.com) (209.85.215.54) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Aug 2014 00:50:24 +0000 Received: by mail-la0-f54.google.com with SMTP id hz20so6391399lab.41 for ; Tue, 19 Aug 2014 17:50:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:reply-to:sender:in-reply-to :references:from:date:message-id:subject:to:cc:content-type; bh=ZYBD43ax5HhrQGoD2WJ+AEJT6j14Z2ohZkRMSGkHrXc=; b=VpmJACe4j2Che50/gn8Ww0cep1FXgQvEz16l1GVVnWFhdAA9WHJKNife/C7LhuF9mS YwFusutMb+LW7jwyg0rkypRfjNK/gf5aHp6Y+AEPMCNZILJUPFhIru0dadddm4ullqcA 29ZVBuAaV3AKgKyYlqAYxNwSYxjbW4yefq3JoJw/cZUaQR1aCwgnQREYp26mhpg1MIv3 vKBCp20LUdc4RuojA7qIliHhsM22+Fx+yuly2k8Vxqe539P0OKBXDAtIDEbet/0gVMZr JUr9xkVVSw5WXXQq6TsUFQwrnystmi3yaRM4Ux5UNW3by2IyLAYQ0nHOIhkpLC+wibL7 Cegg== X-Gm-Message-State: ALoCoQkjeQzuFMddQ1SXvfQ1aG7eq1Lz9+lCadB7givKmsFco3ptHe9WJBg+ziFsMvOQZRyytBVqDTHEpZnv9jmTWD1tATghoAIkr48vE9Hu3bn5LSvkIlM= X-Received: by 10.152.115.228 with SMTP id jr4mr39921993lab.43.1408495823955; Tue, 19 Aug 2014 17:50:23 -0700 (PDT) MIME-Version: 1.0 Reply-To: mattf@apache.org Sender: mfoley@hortonworks.com Received: by 10.112.141.101 with HTTP; Tue, 19 Aug 2014 17:49:52 -0700 (PDT) In-Reply-To: References: <79866453-46E8-48AB-AA3F-3D38C7E7EC5F@hortonworks.com> From: Matt Foley Date: Tue, 19 Aug 2014 17:49:52 -0700 X-Google-Sender-Auth: ptvJQpw-IWaqYDQHvH9RI7_DsvA Message-ID: Subject: Re: Dropping support for JDK6 in Apache Hadoop To: "common-dev@hadoop.apache.org" Cc: dev@hive.apache.org, "dev@hbase.apache.org" , dev@pig.apache.org, dev@oozie.apache.org Content-Type: multipart/alternative; boundary=001a11c34d2e4137fe050104fd7e X-Virus-Checked: Checked by ClamAV on apache.org --001a11c34d2e4137fe050104fd7e Content-Type: text/plain; charset=UTF-8 Yes, in terms of forward compatibility, my company has been certifying the current Hadoop-related stack on JDK7 (both Oracle and OpenJDK) for some time. No problems there, in our experience. For stopping supporting JDK6 in the near future, and enabling JDK7 feature usage, +1. --Matt On Tue, Aug 19, 2014 at 2:37 PM, Roman Shaposhnik wrote: > FWIW: in Bigtop we've made the switch to JDK7 for the Bigtop > 0.8.0 release across the board. No major issues so far. > > Thanks, > Roman. > > On Tue, Aug 19, 2014 at 10:52 AM, Arun C Murthy > wrote: > > [Apologies for the wide distribution.] > > > > Dear HBase/Hive/Pig/Oozie communities, > > > > We, over at Hadoop are considering dropping support for JDK6 this year. > > > > As you maybe aware we just released hadoop-2.5.0 and are now > considering making the next release i.e. hadoop-2.6.0 the *last* release of > Apache Hadoop which supports JDK6. This means, from hadoop-2.7.0 onwards we > will not support JDK6 anymore and we *may* start relying on JDK7-specific > apis. > > > > Now, the above releases a proposal and we do not want to pull the > trigger without talking to projects downstream - hence the request for you > feedback. > > > > Please feel free to forward this to other communities you might deem to > be at risk from this too. > > > > thanks, > > Arun > > > > > > -- > > CONFIDENTIALITY NOTICE > > NOTICE: This message is intended for the use of the individual or entity > to > > which it is addressed and may contain information that is confidential, > > privileged and exempt from disclosure under applicable law. If the reader > > of this message is not the intended recipient, you are hereby notified > that > > any printing, copying, dissemination, distribution, disclosure or > > forwarding of this communication is strictly prohibited. If you have > > received this communication in error, please contact the sender > immediately > > and delete it from your system. Thank You. > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You. --001a11c34d2e4137fe050104fd7e--