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 20AE21832D for ; Tue, 22 Dec 2015 19:38:47 +0000 (UTC) Received: (qmail 41837 invoked by uid 500); 22 Dec 2015 19:38:47 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 41786 invoked by uid 500); 22 Dec 2015 19:38:47 -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 41768 invoked by uid 99); 22 Dec 2015 19:38:46 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 22 Dec 2015 19:38:46 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id BE4032C1F55 for ; Tue, 22 Dec 2015 19:38:46 +0000 (UTC) Date: Tue, 22 Dec 2015 19:38:46 +0000 (UTC) From: "Hadoop QA (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=15068622#comment-15068622 ] Hadoop QA commented on HBASE-15030: ----------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12779080/HBASE-15030-v0.patch against master branch at commit 1af98f255132ef6716a1f6ba1d8d71a36ea38840. ATTACHMENT ID: 12779080 {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0 2.7.1) {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 protoc{color}. The applied patch does not increase the total number of protoc compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 checkstyle{color}. The applied patch does not generate new checkstyle errors. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 lineLengths{color}. The patch does not introduce lines longer than 100 {color:green}+1 site{color}. The mvn post-site goal succeeds with this patch. {color:green}+1 core tests{color}. The patch passed unit tests in . {color:green}+1 zombies{color}. No zombie tests found running at the end of the build. Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/16974//testReport/ Release Findbugs (version 2.0.3) warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16974//artifact/patchprocess/newFindbugsWarnings.html Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/16974//artifact/patchprocess/checkstyle-aggregate.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16974//console This message is automatically generated. > 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 > 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)