[jira] [Work logged] (ARTEMIS-2257) Synchronize SharedEventLoopGroup shutdownGracefully to prevent race conditions

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-2257?focusedWorklogId=201785&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-201785 ]

ASF GitHub Bot logged work on ARTEMIS-2257:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/Feb/19 07:54
            Start Date: 21/Feb/19 07:54
    Worklog Time Spent: 10m 
      Work Description: wy96f commented on pull request #2558: ARTEMIS-2257 Synchronize SharedEventLoopGroup shutdownGracefully
URL: https://github.com/apache/activemq-artemis/pull/2558
 
 
   While thread a shutdowns shared event loop, between scheduling a task and set the shutdown reference thread b calls getInstance() and retrieves ready shutting down instance. Add synchronized block to fix the problem.
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 201785)
            Time Spent: 10m
    Remaining Estimate: 0h

> Synchronize SharedEventLoopGroup shutdownGracefully to prevent race conditions
> ------------------------------------------------------------------------------
>
>                 Key: ARTEMIS-2257
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-2257
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.6.4
>            Reporter: yangwei
>            Priority: Critical
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> While thread a shutdowns shared event loop, between scheduling a task and set the shutdown reference thread b calls getInstance() and retrieves ready shutting down instance. Add synchronized block to fix the problem.



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