Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@locus.apache.org Received: (qmail 12751 invoked from network); 28 Feb 2008 06:40:45 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 28 Feb 2008 06:40:45 -0000 Received: (qmail 90519 invoked by uid 500); 28 Feb 2008 06:40:41 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 90501 invoked by uid 500); 28 Feb 2008 06:40:41 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 90489 invoked by uid 99); 28 Feb 2008 06:40:41 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 Feb 2008 22:40:41 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 28 Feb 2008 06:40:15 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 1ED4D234C03F for ; Wed, 27 Feb 2008 22:39:51 -0800 (PST) Message-ID: <803929261.1204180791124.JavaMail.jira@brutus> Date: Wed, 27 Feb 2008 22:39:51 -0800 (PST) From: "stack (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Commented: (HBASE-471) IllegalStateException thrown in client after region was split and deleted In-Reply-To: <492010390.1203986151295.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HBASE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573162#action_12573162 ] stack commented on HBASE-471: ----------------------------- Lars, also, can you show up on IRC tomorrow sometime so we can discuss? This back and forth in here isn't working out too well. > IllegalStateException thrown in client after region was split and deleted > ------------------------------------------------------------------------- > > Key: HBASE-471 > URL: https://issues.apache.org/jira/browse/HBASE-471 > Project: Hadoop HBase > Issue Type: Bug > Affects Versions: 0.1.0 > Environment: Linux Debian, HBase 0.16.0 > Reporter: Lars George > Attachments: hbase-master-log.tar.gz, logs.tar.gz > > > For some reason a client sometimes fails to locate a row with a IllegalStateException when the region was split and deleted. > > [2008-02-25 16:12:39,171] ERROR [http-80-Processor20] archive.MultilingualArchive - getDocument: An error occurred. > > java.lang.IllegalStateException: region offline: pdc-docs,US7039976_20060509,1203981958556 > > at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:432) > > at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:343) > > at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:306) > > at org.apache.hadoop.hbase.HTable.getRegionLocation(HTable.java:102) > > at org.apache.hadoop.hbase.HTable.get(HTable.java:280) > Tracing the region on the master shows this: > > 2008-02-25 16:09:38,761 DEBUG org.apache.hadoop.hbase.HMaster: Received MSG_REGION_SPLIT : > +pdc-docs,US7039976_20060509,1203981958556 from 192.168.105.21:60020 > > 2008-02-25 16:09:38,761 INFO org.apache.hadoop.hbase.HMaster: region pdc-docs,US7039976_20060509,1203981958556 split. New regions > +are: pdc-docs,US7039976_20060509,1203984578345, pdc-docs,US7046359_20060516,1203984578345 > > 2008-02-25 16:10:02,470 DEBUG org.apache.hadoop.hbase.HMaster: HMaster.metaScanner regioninfo: {regionname: > +pdc-docs,US7039976_20060509,1203981958556, startKey: , endKey: , encodedName: 1260314009, > +offline: true, split: true, tableDesc: {name: pdc-docs, families: {contents:={name: contents, max versions: 3, compression: NONE, in > +memory: false, max length: 2147483647, bloom filter: none}, language:={name: language, max versions: 3, compression: NONE, in > +memory: false, max length: 2147483647, bloom filter: none}, mimetype:={name: mimetype, max versions: 3, compression: NONE, in > +memory: false, max length: 2147483647, bloom filter: none}}}}, server: 192.168.105.21:60020, startCode: 1203949130468 > > 2008-02-25 16:10:02,513 DEBUG org.apache.hadoop.hbase.HMaster: pdc-docs,US7039976_20060509,1203984578345 no longer has references > +to pdc-docs,US7039976_20060509,1203981958556 > > 2008-02-25 16:10:02,516 DEBUG org.apache.hadoop.hbase.HMaster: pdc-docs,US7046359_20060516,1203984578345 no longer has references > +to pdc-docs,US7039976_20060509,1203981958556 > > 2008-02-25 16:10:02,516 INFO org.apache.hadoop.hbase.HMaster: Deleting region pdc-docs,US7039976_20060509,1203981958556 because > +daughter splits no longer hold references > After discussion with st^ack it seems that the server is simply not retrying IllegalStateException but IOExceptions only. Also see HBASE-452 which should be addressed at the same time. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.