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Posted to dev@qpid.apache.org by "Keith Wall (Created) (JIRA)" <ji...@apache.org> on 2011/10/28 17:15:32 UTC
[jira] [Created] (QPID-3559) SimpleDateFormat used in thread unsafe
manner in JMX interface
SimpleDateFormat used in thread unsafe manner in JMX interface
--------------------------------------------------------------
Key: QPID-3559
URL: https://issues.apache.org/jira/browse/QPID-3559
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.12, 0.11, 0.10, 0.13
Reporter: Keith Wall
Priority: Minor
AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Reopened] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Reopened) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reopened QPID-3559:
------------------------------
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Robbie Gemmell (was: Keith Wall)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Updated] (QPID-3559) SimpleDateFormat used in thread unsafe
manner in JMX interface
Posted by "Keith Wall (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-3559:
-----------------------------
Status: Ready To Review (was: In Progress)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Updated] (QPID-3559) SimpleDateFormat used in thread unsafe
manner in JMX interface
Posted by "Robbie Gemmell (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robbie Gemmell updated QPID-3559:
---------------------------------
Assignee: Keith Wall (was: Robbie Gemmell)
Status: Open (was: Ready To Review)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Commented] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Robbie Gemmell (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158452#comment-13158452 ]
Robbie Gemmell commented on QPID-3559:
--------------------------------------
I think it might be preferable to use an instance variable for the SimpleDateFormat object and just synchronize its access, or something else to similar effect, rather than use a new instance per method call. I know its not a big object but it could generate a significant amount of garbage due to being used per-message, and the JMX interface already generates quite a lot :)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Keith Wall (was: Robbie Gemmell)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Commented] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194202#comment-13194202 ]
Keith Wall commented on QPID-3559:
----------------------------------
Addressed review comments (finally - sorry, slipped my mind).
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Robbie Gemmell (was: Keith Wall)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Keith Wall
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Robbie Gemmell (was: Keith Wall)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Resolved] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall resolved QPID-3559.
------------------------------
Resolution: Fixed
Applied patch to resolve issue. Added support unit and system tests.
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Keith Wall (was: Robbie Gemmell)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Resolved] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Robbie Gemmell (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robbie Gemmell resolved QPID-3559.
----------------------------------
Resolution: Fixed
Looks good to me.
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Updated] (QPID-3559) SimpleDateFormat used in thread unsafe
manner in JMX interface
Posted by "Keith Wall (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-3559:
-----------------------------
Status: Ready To Review (was: In Progress)
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Keith Wall
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Updated] (QPID-3559) SimpleDateFormat used in thread unsafe
manner in JMX interface
Posted by "Keith Wall (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-3559:
-----------------------------
Fix Version/s: 0.15
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.15
>
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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[jira] [Assigned] (QPID-3559) SimpleDateFormat used in thread
unsafe manner in JMX interface
Posted by "Keith Wall (Assigned) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/QPID-3559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall reassigned QPID-3559:
--------------------------------
Assignee: Robbie Gemmell (was: Keith Wall)
Hi Robbie, could you review this change please?
> SimpleDateFormat used in thread unsafe manner in JMX interface
> --------------------------------------------------------------
>
> Key: QPID-3559
> URL: https://issues.apache.org/jira/browse/QPID-3559
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.10, 0.11, 0.12, 0.13
> Reporter: Keith Wall
> Assignee: Robbie Gemmell
> Priority: Minor
>
> AMQQueueMBean uses a static SimpleDateFormat instance which is thread-unsafe. The user may see corruption of JMS Expiration dates or JMS Timestamps reported via the JMX interface.
> This problem only affects the MBean, JMS messaging clients wont be affected.
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