[jboss-jira] [JBoss JIRA] Created: (JBMESSAGING-1161) Dead-lock in rollback of scheduled messages

[Abel Munoz Alcaraz (JIRA)]

Dead-lock in rollback of scheduled messages
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                 Key: JBMESSAGING-1161
                 URL: http://jira.jboss.com/jira/browse/JBMESSAGING-1161
             Project: JBoss Messaging
          Issue Type: Bug
          Components: Messaging Core
    Affects Versions: 1.4.0.SP1
         Environment: OS: Windows XP SP2 / Linux RedHat 
JDK: Sun 1.5.0 Update 12 / 13 
JBAS: 4.2.1.GA (Non-Clustered) 
JBM: 1.4.0.SP1 (Non-Clustered) 
DBMS: PostgreSQL 8.2.4 / 8.2.5 
            Reporter: Abel Munoz Alcaraz
         Assigned To: Tim Fox


PRECONDITIONS: 
 A non-clustered fresh installation of JBM 1.4.0.SP1 in a JBAS 4.2.1.GA with PostgreSQL 8.2.5.

WORKFLOW: 
 1.- Install JBAS 4.2.1 with PostgresSQL in a Non-Clustered environment 
 2.- Inslall JBM 1.4.0.SP1 
 3.- Startup JBAS with JBM. 
 4.- Send 1000 scheduled messages to '/queue/QueueWithOwnRedeliveryDelay'.
 5.- Session.rollback at first 5 messges.
 6.- The destination is dead.

If you send messages scheduling its delivery and, when they are delivered, you do more than one rollbacks then the destination is dead locked.

It seems a dead lock problem in MessagingQueue.java: It uses a synchronized method from a synchronized block of code.

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