Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 69776 invoked from network); 11 Mar 2010 18:20:19 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 11 Mar 2010 18:20:19 -0000 Received: (qmail 99890 invoked by uid 500); 11 Mar 2010 18:19:41 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 99817 invoked by uid 500); 11 Mar 2010 18:19:41 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 99800 invoked by uid 99); 11 Mar 2010 18:19:41 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Mar 2010 18:19:41 +0000 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests=FREEMAIL_FROM,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jdcryans@gmail.com designates 74.125.83.48 as permitted sender) Received: from [74.125.83.48] (HELO mail-gw0-f48.google.com) (74.125.83.48) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Mar 2010 18:19:34 +0000 Received: by gwaa11 with SMTP id a11so162939gwa.35 for ; Thu, 11 Mar 2010 10:19:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to :content-type:content-transfer-encoding; bh=abKJJh/ZYxTRKO54q4b709xYeAps1Xkk027d6/Cmzz8=; b=G3Em6M7D9vFn6Ur7vPuC/h4Z7+7408Wd2xhPIJD6NQWMkT30VXBOnW+6NoWdLpbz7t KnDbPMsQZ4mHT5Dmzs9E4vBTM5XJRB3c81l5U4kH/JpQCMtPB91lFR0Qdq0EzEZW55xk 4Zs3xNV8KuZLpfr3m6frD524DatobTumCVCdM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type :content-transfer-encoding; b=WpI/D2xLpFquxSNTQDpDdJbPSpZMde99hDfx1ELy88Om6TcLnBjUG+t/Fhv1E/SA4E bp4gfDoXfysZoWcljVxSMdoKitZMVjwowUd0hbglwbZiPIh4yfj9TAPdIkOas3Ixl9EH /eyPgmMzRF9nWa0VG+WWpYPqohV1scMao+LZE= MIME-Version: 1.0 Sender: jdcryans@gmail.com Received: by 10.91.55.14 with SMTP id h14mr2810155agk.23.1268331549368; Thu, 11 Mar 2010 10:19:09 -0800 (PST) In-Reply-To: <17e273101003101341x7f158727ue08aa4c3dcd63144@mail.gmail.com> References: <17e273101003101341x7f158727ue08aa4c3dcd63144@mail.gmail.com> Date: Thu, 11 Mar 2010 10:19:09 -0800 X-Google-Sender-Auth: a5c875b7af84aa95 Message-ID: <31a243e71003111019u11505423t9f6d00e7d460e18b@mail.gmail.com> Subject: Re: region server appearing twice on HBase Master page From: Jean-Daniel Cryans To: common-user@hadoop.apache.org, hbase-user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org Bringing the discussion in hbase-user That usually happens after a DNS hiccup. There's a fix for that in https://issues.apache.org/jira/browse/HBASE-2174 J-D On Wed, Mar 10, 2010 at 1:41 PM, Ted Yu wrote: > I noticed two lines for the same region server on HBase Master page: > X.com:60030 =A0 =A01268160765854 =A0 =A0requests=3D0, regions=3D16, usedH= eap=3D1068, > maxHeap=3D6127 > X.com:60030 =A0 =A01268250726442 =A0 =A0requests=3D21, regions=3D9, usedH= eap=3D1258, > maxHeap=3D6127 > > I checked there is only one > org.apache.hadoop.hbase.regionserver.HRegionServer instance running on th= at > machine. > > This is from region server log: > > 2010-03-10 13:25:38,157 ERROR [IPC Server handler 43 on 60020] > regionserver.HRegionServer(844): > org.apache.hadoop.hbase.NotServingRegionException: ruletable,,12680839667= 23 > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServe= r.java:2307) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java= :1784) > =A0 =A0 =A0 =A0at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown So= urce) > =A0 =A0 =A0 =A0at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI= mpl.java:25) > =A0 =A0 =A0 =A0at java.lang.reflect.Method.invoke(Method.java:597) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > 2010-03-10 13:25:38,189 ERROR [IPC Server handler 0 on 60020] > regionserver.HRegionServer(844): > org.apache.hadoop.hbase.NotServingRegionException: ruletable,,12680839667= 23 > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServe= r.java:2307) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java= :1784) > =A0 =A0 =A0 =A0at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown So= urce) > =A0 =A0 =A0 =A0at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI= mpl.java:25) > =A0 =A0 =A0 =A0at java.lang.reflect.Method.invoke(Method.java:597) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648) > =A0 =A0 =A0 =A0at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > > If you know how to troubleshoot, please share. >