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Posted to dev@ambari.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2015/04/27 14:17:39 UTC
[jira] [Commented] (AMBARI-9368) Deadlock Between Dependent
Cluster/Service/Component/Host Implementations
[ https://issues.apache.org/jira/browse/AMBARI-9368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513996#comment-14513996 ]
Hudson commented on AMBARI-9368:
--------------------------------
SUCCESS: Integrated in Ambari-branch-1.7.0 #418 (See [https://builds.apache.org/job/Ambari-branch-1.7.0/418/])
AMBARI-9368 - Deadlock Between Dependent Cluster/Service/Component/Host Implementations (jonathanhurley) (jhurley: http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=dd572d3544eb6a36c78155ae88ac423a16922d00)
* ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClusterDeadlockTest.java
* ambari-server/src/main/java/org/apache/ambari/server/state/ServiceImpl.java
* ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
* ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentImpl.java
* ambari-web/package.json
* ambari-server/src/main/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostImpl.java
> Deadlock Between Dependent Cluster/Service/Component/Host Implementations
> -------------------------------------------------------------------------
>
> Key: AMBARI-9368
> URL: https://issues.apache.org/jira/browse/AMBARI-9368
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 1.6.1
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: AMBARI-9368.patch, jstack.29096, monitor_lock-1-pid10099.txt, monitor_lock-2-pid10099.txt, monitor_lock-3-pid10099.txt
>
>
> Looks like a textbook deadlock. Why jstack doesn't report it, I don't know.
> Call Hierarchy
> {code}
> qtp572501352-104
> ServiceComponentImpl.convertToResponse readWriteLock.readLock().lock() ACQUIRED
> ServiceComponentHostImpl.getState() readLock.lock() BLOCKED
>
> qtp572501352-34
> ServiceComponentHostImpl.persist() writeLock.lock() ACQUIRED
> ServiceComponentImpl.refresh() readWriteLock.writeLock() BLOCKED
> {code}
>
> Deadlock Order
> {code}
> qtp572501352-104
> ServiceComponentImpl.convertToResponse readWriteLock.readLock().lock() ACQUIRED
> qtp572501352-34
> ServiceComponentHostImpl.persist() writeLock.lock() ACQUIRED
> ServiceComponentImpl.refresh() readWriteLock.writeLock() BLOCKED
> qtp572501352-104
> ServiceComponentHostImpl.getState() readLock.lock() BLOCKED
> {code}
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