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 5D1F09BAD for ; Wed, 14 Dec 2011 18:08:12 +0000 (UTC) Received: (qmail 98652 invoked by uid 500); 14 Dec 2011 18:08:11 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 98609 invoked by uid 500); 14 Dec 2011 18:08:11 -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 98601 invoked by uid 99); 14 Dec 2011 18:08:10 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 14 Dec 2011 18:08:10 +0000 X-ASF-Spam-Status: No, hits=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of shrijeet@rocketfuelinc.com designates 74.125.245.96 as permitted sender) Received: from [74.125.245.96] (HELO na3sys010aog114.obsmtp.com) (74.125.245.96) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 14 Dec 2011 18:08:00 +0000 Received: from mail-gy0-f172.google.com ([209.85.160.172]) (using TLSv1) by na3sys010aob114.postini.com ([74.125.244.12]) with SMTP ID DSNKTujl6l2UYfxksjk9st1bPCte0nck5PJT@postini.com; Wed, 14 Dec 2011 10:07:39 PST Received: by mail-gy0-f172.google.com with SMTP id r16so1134910ghr.17 for ; Wed, 14 Dec 2011 10:07:38 -0800 (PST) MIME-Version: 1.0 Received: by 10.50.160.134 with SMTP id xk6mr24430884igb.59.1323886058310; Wed, 14 Dec 2011 10:07:38 -0800 (PST) Received: by 10.50.185.231 with HTTP; Wed, 14 Dec 2011 10:07:38 -0800 (PST) In-Reply-To: References: Date: Wed, 14 Dec 2011 10:07:38 -0800 Message-ID: Subject: Re: Runtime exceptions during meta scan From: Shrijeet Paliwal To: dev@hbase.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org For what it is worth, the client was doing Full GC every 10th second while this was happening. We recently increased new gen size on few of the clients as a part of an experiment and all those clients suffer this situation I describe in the mail earlier. On Thu, Dec 8, 2011 at 1:13 PM, Shrijeet Paliwal wrote: > Hi, > Version: 0.90.3 + patches=A0back ported > > The other day our client started spitting these two runtime exceptions. N= ot > all clients connected to the cluster were under impact. Only 4 of them. > While 3 of them were throwing NPE, one of them was > throwing=A0ArrayIndexOutOfBoundsException. The errors are : > > 1.=A0http://pastie.org/2987926 > 2.=A0http://pastie.org/2987927 > > Clients did not recover from this and I had to bump them. > > I wish to understand, since we are catching runtime exception in this blo= ck > of code - do we expect this kind of=A0behavior. Also with the given stack > trace I can not tell which line caused NPE of AIOBE. > > Thanks. > > -Shrijeet > PS: Line numbers in stack trace may not match with 0.90.3 branch because = of > extra patches we have.