Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 47DF3105A7 for ; Fri, 28 Feb 2014 04:08:25 +0000 (UTC) Received: (qmail 76782 invoked by uid 500); 28 Feb 2014 04:08:22 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 76662 invoked by uid 500); 28 Feb 2014 04:08:20 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 76646 invoked by uid 99); 28 Feb 2014 04:08:20 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 28 Feb 2014 04:08:20 +0000 Date: Fri, 28 Feb 2014 04:08:20 +0000 (UTC) From: "Ted Yu (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Comment Edited] (HBASE-10632) Region lost in limbo after ArrayIndexOutOfBoundsException during assignment MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-10632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915439#comment-13915439 ] Ted Yu edited comment on HBASE-10632 at 2/28/14 4:06 AM: --------------------------------------------------------- lgtm nit: long line {code} + (serversToIndex.get(loc.get(i).getHostAndPort()) == null ? -1 : serversToIndex.get(loc.get(i).getHostAndPort())); {code} was (Author: yuzhihong@gmail.com): lgtm nit: {code} + (serversToIndex.get(loc.get(i).getHostAndPort()) == null ? -1 : serversToIndex.get(loc.get(i).getHostAndPort())); {code} > Region lost in limbo after ArrayIndexOutOfBoundsException during assignment > --------------------------------------------------------------------------- > > Key: HBASE-10632 > URL: https://issues.apache.org/jira/browse/HBASE-10632 > Project: HBase > Issue Type: Bug > Components: Region Assignment > Affects Versions: hbase-10070 > Reporter: Nick Dimiduk > Assignee: Enis Soztutar > Fix For: 0.99.0, hbase-10070 > > Attachments: hbase-10632_v1.patch > > > Discovered while running IntegrationTestBigLinkedList. Region 24d68aa7239824e42390a77b7212fcbf is scheduled for move from hor13n19 to hor13n13. During the process an exception is thrown. > {noformat} > 2014-02-25 15:30:42,613 INFO [MASTER_SERVER_OPERATIONS-hor13n12:60000-4] master.RegionStates: Transitioning {24d68aa7239824e42390a77b7212fcbf state=OPENING, ts=1393342207107, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} will be handled by SSH for hor13n19.gq1.ygridcore.net,60020,1393341563552 > 2014-02-25 15:30:42,613 INFO [MASTER_SERVER_OPERATIONS-hor13n12:60000-4] handler.ServerShutdownHandler: Reassigning 7 region(s) that hor13n19.gq1.ygridcore.net,60020,1393341563552 was carrying (and 0 regions(s) that were opening on this server) > 2014-02-25 15:30:42,613 INFO [MASTER_SERVER_OPERATIONS-hor13n12:60000-4] handler.ServerShutdownHandler: Reassigning region with rs = {24d68aa7239824e42390a77b7212fcbf state=OPENING, ts=1393342207107, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} and deleting zk node if exists > 2014-02-25 15:30:42,623 INFO [MASTER_SERVER_OPERATIONS-hor13n12:60000-4] master.RegionStates: Transitioned {24d68aa7239824e42390a77b7212fcbf state=OPENING, ts=1393342207107, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} to {24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} > 2014-02-25 15:30:42,623 DEBUG [AM.ZK.Worker-pool2-t46] master.AssignmentManager: Znode IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf. deleted, state: {24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} > ... > 2014-02-25 15:30:43,993 ERROR [MASTER_SERVER_OPERATIONS-hor13n12:60000-4] executor.EventHandler: Caught throwable while processing event M_SERVER_SHUTDOWN > java.lang.ArrayIndexOutOfBoundsException: 0 > at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.(BaseLoadBalancer.java:250) > at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.createCluster(BaseLoadBalancer.java:921) > at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.roundRobinAssignment(BaseLoadBalancer.java:860) > at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:2482) > at org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.process(ServerShutdownHandler.java:282) > at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:722) > {noformat} > After that, region is left in limbo and is never reassigned. > {noformat} > 2014-02-25 15:35:11,581 INFO [FifoRpcScheduler.handler1-thread-6] master.HMaster: Client=hrt_qa//68.142.246.29 move hri=IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf., src=hor13n19.gq1.ygridcore.net,60020,1393341563552, dest=hor13n13.gq1.ygridcore.net,60020,1393342222275, running balancer > 2014-02-25 15:35:11,581 INFO [FifoRpcScheduler.handler1-thread-6] master.AssignmentManager: Ignored moving region not assigned: {ENCODED => 24d68aa7239824e42390a77b7212fcbf, NAME => 'IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf.', STARTKEY => '\x80\x06\x1A', ENDKEY => ''}, {24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} > ... > 2014-02-25 15:35:26,586 DEBUG [hor13n12.gq1.ygridcore.net,60000,1393341917402-BalancerChore] master.HMaster: Not running balancer because 1 region(s) in transition: {24d68aa7239824e42390a77b7212fcbf={24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552}} > ... > 2014-02-25 15:35:51,945 DEBUG [FifoRpcScheduler.handler1-thread-16] master.HMaster: Client=hrt_qa//68.142.246.29 unassign IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf. in current location if it is online and reassign.force=false > 2014-02-25 15:35:51,945 DEBUG [FifoRpcScheduler.handler1-thread-16] master.AssignmentManager: Starting unassign of IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf. (offlining), current state: {24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552} > 2014-02-25 15:35:51,945 DEBUG [FifoRpcScheduler.handler1-thread-16] master.AssignmentManager: Attempting to unassign IntegrationTestBigLinkedList,\x80\x06\x1A,1393342105093.24d68aa7239824e42390a77b7212fcbf. but it is already in transition (OFFLINE, force=false) > ... > 2014-02-25 15:40:26,587 DEBUG [hor13n12.gq1.ygridcore.net,60000,1393341917402-BalancerChore] master.HMaster: Not running balancer because 1 region(s) in transition: {24d68aa7239824e42390a77b7212fcbf={24d68aa7239824e42390a77b7212fcbf state=OFFLINE, ts=1393342242623, server=hor13n19.gq1.ygridcore.net,60020,1393341563552}} > {noformat} > Spoke with [~enis] about it earlier, assigning to him. -- This message was sent by Atlassian JIRA (v6.1.5#6160)