[jira] [Closed] (APLO-88) ACK followed by DISCONNECT Leaves Message Available

["Guy Allard (Closed) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/APLO-88?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guy Allard closed APLO-88.
--------------------------


Testing with a current build verifies this is complete.

                
> ACK followed by DISCONNECT Leaves Message Available
> ---------------------------------------------------
>
>                 Key: APLO-88
>                 URL: https://issues.apache.org/jira/browse/APLO-88
>             Project: ActiveMQ Apollo
>          Issue Type: Bug
>          Components: apollo-stomp
>    Affects Versions: 1.0-beta6
>         Environment: Linux, Ubuntu 11.04
>            Reporter: Guy Allard
>            Assignee: Hiram Chirino
>             Fix For: 1.0
>
>         Attachments: aplo-88-log.txt
>
>
> An ACK (client mode) followed by a DISCONNECT with no wait time between the frames appears to leave message on the queue.
> I am seeing this with apache-apollo-1.0-20111012.032531-204-unix-distro.tar.gz and at least one previous snapshot.
> I stumbled on to this while working on a new 1.1 client in go.  It occurs with either a 1.0 or 1.1 connection.  The go code is very raw and not publicly available yet.
> However it recreates with 1.0 using the Ruby stomp gem.  Code to recreate:
> # ---------
> require 'rubygems'
> require 'stomp'
> #
> c = Stomp::Connection.open('my', 'mypw', 'localhost', 62613) # Apollo is here
> c.subscribe "/queue/rtest.01", :ack => :client
> c.publish "/queue/rtest.01", "a simple message"
> msg = c.receive
> c.ack msg.headers['message-id']
> # sleep 5
> c.disconnect
> # ---------
> And is (usually) accompanied by:
> 2011-10-13 22:56:00,041 | DEBUG | Internal protocol error: message delivery acked/nacked multiple times: 1 | org.apache.activemq.apollo.broker.Subscription | hawtdispatch-DEFAULT-1
> in apollo.log
> Calling 'flush' on the socket seems to have no affect (in either Ruby or go).
> If you uncomment the 'sleep' in the above Ruby code, the problem will (usually) *not* occur.
> I do get some slightly different results with the go test bed, but let's start with this ............

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