james-server-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "ASF GitHub Bot (JIRA)" <server-...@james.apache.org>
Subject [jira] [Commented] (JAMES-2295) JMS mailqueue deadlock when a single thread issue several consume
Date Wed, 11 Jul 2018 16:23:00 GMT

    [ https://issues.apache.org/jira/browse/JAMES-2295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16540329#comment-16540329
] 

ASF GitHub Bot commented on JAMES-2295:
---------------------------------------

Github user nstdio commented on a diff in the pull request:

    https://github.com/apache/james-project/pull/127#discussion_r201757074
  
    --- Diff: server/queue/queue-jms/src/test/java/org/apache/james/queue/jms/JMSMailQueueTest.java
---
    @@ -49,7 +49,8 @@ public void setUp(BrokerService broker) throws Exception {
             RawMailQueueItemDecoratorFactory mailQueueItemDecoratorFactory = new RawMailQueueItemDecoratorFactory();
             NoopMetricFactory metricFactory = new NoopMetricFactory();
             String queueName = BrokerExtension.generateRandomQueueName(broker);
    -        mailQueue = new JMSMailQueue(connectionFactory, mailQueueItemDecoratorFactory,
queueName, metricFactory);
    +        MailQueue.ConsumerOptions consumerOptions = name -> name + "?consumer.prefetchSize=0";
    --- End diff --
    
    Does every JMS implementation support prefetch ? `ConsumerOptions` is a general propose
interface...so we should use only features that supported by the JMS spec.


> JMS mailqueue deadlock when a single thread issue several consume
> -----------------------------------------------------------------
>
>                 Key: JAMES-2295
>                 URL: https://issues.apache.org/jira/browse/JAMES-2295
>             Project: James Server
>          Issue Type: Bug
>          Components: Queue
>    Affects Versions: 3.0.0, master, 3.0.1
>            Reporter: Tellier Benoit
>            Priority: Major
>              Labels: bug
>
> This will lead to a dead lock:
> {code:java}
>         MailQueue.MailQueueItem mailQueueItem1 = getMailQueue().deQueue();
>         MailQueue.MailQueueItem mailQueueItem2 = getMailQueue().deQueue();
>         mailQueueItem1.done(true);
>         mailQueueItem2.done(true);
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: server-dev-unsubscribe@james.apache.org
For additional commands, e-mail: server-dev-help@james.apache.org


Mime
View raw message