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 6F1C318716 for ; Wed, 23 Dec 2015 23:19:47 +0000 (UTC) Received: (qmail 44838 invoked by uid 500); 23 Dec 2015 23:19:47 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 44759 invoked by uid 500); 23 Dec 2015 23:19:47 -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 44523 invoked by uid 99); 23 Dec 2015 23:19:47 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Dec 2015 23:19:47 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id DD4F62C1F6C for ; Wed, 23 Dec 2015 23:19:46 +0000 (UTC) Date: Wed, 23 Dec 2015 23:19:46 +0000 (UTC) From: "Hudson (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-15030) Deadlock in master TableNamespaceManager while running IntegrationTestDDLMasterFailover 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-15030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15070307#comment-15070307 ] Hudson commented on HBASE-15030: -------------------------------- FAILURE: Integrated in HBase-1.3 #464 (See [https://builds.apache.org/job/HBase-1.3/464/]) HBASE-15030 Deadlock in master TableNamespaceManager while running (matteo.bertozzi: rev d65210d2138a59b91aef6443b6b26435a27a587a) * hbase-server/src/main/java/org/apache/hadoop/hbase/master/TableNamespaceManager.java > Deadlock in master TableNamespaceManager while running IntegrationTestDDLMasterFailover > --------------------------------------------------------------------------------------- > > Key: HBASE-15030 > URL: https://issues.apache.org/jira/browse/HBASE-15030 > Project: HBase > Issue Type: Bug > Components: proc-v2 > Affects Versions: 2.0.0, 1.3.0 > Reporter: Samir Ahmic > Assignee: Samir Ahmic > Fix For: 2.0.0, 1.3.0 > > Attachments: HBASE-15030-v0.patch > > > I was running IntegrationTestDDLMasterFailover on distributed cluster when i notice this. Here is relevant part of master's jstack: > {code} > "ProcedureExecutor-1" daemon prio=10 tid=0x00007fd2d407f800 nid=0x3332 waiting for monitor entry [0x00007fd2c2834000] > java.lang.Thread.State: BLOCKED (on object monitor) > at org.apache.hadoop.hbase.master.TableNamespaceManager.releaseExclusiveLock(TableNamespaceManager.java:157) > - waiting to lock <0x0000000725c36a48> (a org.apache.hadoop.hbase.master.TableNamespaceManager) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.releaseLock(CreateNamespaceProcedure.java:216) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.releaseLock(CreateNamespaceProcedure.java:43) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:842) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:794) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$400(ProcedureExecutor.java:75) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$2.run(ProcedureExecutor.java:479) > Locked ownable synchronizers: > - <0x000000072574b330> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) > "ProcedureExecutor-3" daemon prio=10 tid=0x00007fd2d41e5800 nid=0x3334 waiting on condition [0x00007fd2c2632000] > java.lang.Thread.State: TIMED_WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x000000072574b330> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:929) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1245) > at java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.tryLock(ReentrantReadWriteLock.java:1115) > at org.apache.hadoop.hbase.master.TableNamespaceManager.acquireExclusiveLock(TableNamespaceManager.java:150) > - locked <0x0000000725c36a48> (a org.apache.hadoop.hbase.master.TableNamespaceManager) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.acquireLock(CreateNamespaceProcedure.java:210) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.acquireLock(CreateNamespaceProcedure.java:43) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:941) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:821) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:794) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$400(ProcedureExecutor.java:75) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$2.run(ProcedureExecutor.java:479) > Locked ownable synchronizers: > - None > Found one Java-level deadlock: > ============================= > "ProcedureExecutor-3": > waiting for ownable synchronizer 0x000000072574b330, (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync), > which is held by "ProcedureExecutor-1" > "ProcedureExecutor-1": > waiting to lock monitor 0x00007fd2cc328908 (object 0x0000000725c36a48, a org.apache.hadoop.hbase.master.TableNamespaceManager), > which is held by "ProcedureExecutor-3" > Java stack information for the threads listed above: > =================================================== > "ProcedureExecutor-3": > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x000000072574b330> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:929) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1245) > at java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.tryLock(ReentrantReadWriteLock.java:1115) > at org.apache.hadoop.hbase.master.TableNamespaceManager.acquireExclusiveLock(TableNamespaceManager.java:150) > - locked <0x0000000725c36a48> (a org.apache.hadoop.hbase.master.TableNamespaceManager) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.acquireLock(CreateNamespaceProcedure.java:210) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.acquireLock(CreateNamespaceProcedure.java:43) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:941) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:821) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:794) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$400(ProcedureExecutor.java:75) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$2.run(ProcedureExecutor.java:479) > "ProcedureExecutor-1": > at org.apache.hadoop.hbase.master.TableNamespaceManager.releaseExclusiveLock(TableNamespaceManager.java:157) > - waiting to lock <0x0000000725c36a48> (a org.apache.hadoop.hbase.master.TableNamespaceManager) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.releaseLock(CreateNamespaceProcedure.java:216) > at org.apache.hadoop.hbase.master.procedure.CreateNamespaceProcedure.releaseLock(CreateNamespaceProcedure.java:43) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:842) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:794) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$400(ProcedureExecutor.java:75) > at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$2.run(ProcedureExecutor.java:479) > Found 1 deadlock. > {code} > I will try to dig more info about why this happened logs not showing much. -- This message was sent by Atlassian JIRA (v6.3.4#6332)