Return-Path: Delivered-To: apmail-hadoop-hbase-user-archive@minotaur.apache.org Received: (qmail 75797 invoked from network); 12 Oct 2009 05:50:28 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 12 Oct 2009 05:50:28 -0000 Received: (qmail 65645 invoked by uid 500); 12 Oct 2009 05:50:28 -0000 Delivered-To: apmail-hadoop-hbase-user-archive@hadoop.apache.org Received: (qmail 65606 invoked by uid 500); 12 Oct 2009 05:50:28 -0000 Mailing-List: contact hbase-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-user@hadoop.apache.org Delivered-To: mailing list hbase-user@hadoop.apache.org Received: (qmail 65596 invoked by uid 99); 12 Oct 2009 05:50:27 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 12 Oct 2009 05:50:27 +0000 X-ASF-Spam-Status: No, hits=-2.6 required=5.0 tests=BAYES_00,HTML_MESSAGE X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [67.195.15.144] (HELO web111403.mail.gq1.yahoo.com) (67.195.15.144) by apache.org (qpsmtpd/0.29) with SMTP; Mon, 12 Oct 2009 05:50:25 +0000 Received: (qmail 31534 invoked by uid 60001); 12 Oct 2009 05:50:04 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1255326604; bh=ynOyMR4pZwSpAVEhEc46BGr2HVsUtyotyWLDj6K0M7k=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=KMUH17vYhMy4efcjgBc1B12PxIha7LM0l0lqu3szXXF61Ae5/spfB7zQLQul3egabLw0NwDAT5+6kl+ErJ9HxvSRtJ0P0tNXEKzGjcoUtt+Ud+M/JcsMCXBjweCH7KXkE8V7bQzs9DRW05Vp/CKADu/PTMdYBvB9iqMJ9KvvBD8= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=5vl5/cI2a6+fv9iAoDFhku5id8nPQ7VAkvCQHD0ypKa+XgAUrV8uHjOySlKsPVTLrorWTSIGM0XEdWtdUuwdaPqg7Qwww05fogoDU7061mAsFCORWCaeVjRSyBHOnuWVLJLIxcPCrVEAvIF30un12+o+L4slCOY2yWuOOxc3A4E=; Message-ID: <402428.31027.qm@web111403.mail.gq1.yahoo.com> X-YMail-OSG: NAyDpjMVM1lKATW.6Fr_D.mdmaaKosPt7Yppi0XbkWGjsikJPht9KNZqKeu_ulZuDpRz.j8Pa.uHkJhNEBjWAuwRzOYtwRvFBpgFu.9vxMag2zcWKSHI1LpQVXjSBM.ZkOImHCLPNbRlpkhcSltTtLf0DOOkd6Z_COEtHIldRT6oX86vInKDLv6aZodU9S6xKsCBxKnIU2obINULUed1eAifVIAZhC.iIJs.VAUGcHUnGKfTteDlO3qX1dL6CLk5PTBDrwJqWQLh6zZdlbrwM6G2BXbSjUG6FanP4EZ1zy2YfFdW07MZSerVwQudTRi3CfBKT0g0hd27x9ECO1QcqiE- Received: from [24.130.194.117] by web111403.mail.gq1.yahoo.com via HTTP; Sun, 11 Oct 2009 22:50:04 PDT X-Mailer: YahooMailClassic/7.0.14 YahooMailWebService/0.7.347.3 Date: Sun, 11 Oct 2009 22:50:04 -0700 (PDT) From: Something Something Subject: SessionExpiredException: KeeperErrorCode = Session expired for /hbase To: hbase-user@hadoop.apache.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1686234651-1255326604=:31027" --0-1686234651-1255326604=:31027 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Occasionally, I see the following exception in the log. =A0The severity of = this is 'WARN', so I am not sure if my MapReduce job is successful. =A0Can = this message be ignored? =A0Sounds 'SEVERE' to me. Note: =A0I am running over 15000 jobs sequentially. =A0This happens occasio= nally after about 8000 jobs are processed, so it's a bit hard to debug. I guess, I could look at the source code, and see what this message means. = But I am being lazy :) =A0Thanks in advance for your advice. 09/10/11 22:33:03 WARN zookeeper.ZooKeeperWrapper: Failed to create /hbase = -- check quorum servers, currently=3Dlocalhost:2181org.apache.zookeeper.Kee= perException$SessionExpiredException: KeeperErrorCode =3D Session expired f= or /hbase=A0=A0 =A0 =A0 =A0at=0A org.apache.zookeeper.KeeperException.creat= e(KeeperException.java:118)=A0=A0 =A0 =A0 =A0at org.apache.zookeeper.Keeper= Exception.create(KeeperException.java:42)=A0=A0 =A0 =A0 =A0at org.apache.zo= okeeper.ZooKeeper.create(ZooKeeper.java:522)=A0=A0 =A0 =A0 =A0at org.apache= .hadoop.hbase.zookeeper.ZooKeeperWrapper.ensureExists(ZooKeeperWrapper.java= :342)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrappe= r.ensureParentExists(ZooKeeperWrapper.java:365)=A0=A0 =A0 =A0 =A0at org.apa= che.hadoop.hbase.zookeeper.ZooKeeperWrapper.checkOutOfSafeMode(ZooKeeperWra= pper.java:478)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.hbase.client.HConnecti= onManager$TableServers.locateRootRegion(HConnectionManager.java:903)=A0=A0 = =A0 =A0 =A0at=0A org.apache.hadoop.hbase.client.HConnectionManager$TableSer= vers.locateRegion(HConnectionManager.java:573)=A0=A0 =A0 =A0 =A0at org.apac= he.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnec= tionManager.java:549)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.hbase.client.HC= onnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:62= 3)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.hbase.client.HConnectionManager$Ta= bleServers.locateRegion(HConnectionManager.java:582)=A0=A0 =A0 =A0 =A0at or= g.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(H= ConnectionManager.java:549)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.hbase.cli= ent.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.j= ava:623)=A0=A0 =A0 =A0 =A0at=0A org.apache.hadoop.hbase.client.HConnectionM= anager$TableServers.locateRegion(HConnectionManager.java:586)=A0=A0 =A0 =A0= =A0at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locat= eRegion(HConnectionManager.java:549)=A0=A0 =A0 =A0 =A0at org.apache.hadoop.= hbase.client.HTable.(HTable.java:125)=A0=A0 =A0 =A0 =A0at org.apache.= hadoop.hbase.client.HTable.(HTable.java:103) =0A=0A=0A --0-1686234651-1255326604=:31027--