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https://issues.apache.org/jira/browse/AMQ-2948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13420108#comment-13420108
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Saravanan Thoppan commented on AMQ-2948:
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Hi,
I have a auction application being developed and have multiple users login at
the same time for bidding. I understand that clientId in amq.init is the unique
parameter that distincts each users window. Say for example, user U1 is logged
in IE and user U2 is logged in Chrome at the same time. When they bid, the
messages and updated price information are passing to both the users. However,
when U1 logs out of the application and logs in back for bidding, he doesnt see
the updated price information in his screen, which is weird. Can you please let
me know if this is really an issue or I am doing something wrong, please? I use
ActiveMQ 5.6.0 with Java and Spring Framework. Appreciate your response.
Saravanan Thoppan
> Support ajax clients in multiple windows/tabs in a single browser
> -----------------------------------------------------------------
>
> Key: AMQ-2948
> URL: https://issues.apache.org/jira/browse/AMQ-2948
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.4.1
> Environment: OSX 10.6
> Centos 5.4
> Reporter: Alex Dean
> Assignee: Dejan Bosanac
> Fix For: 5.4.2
>
> Attachments: support-multiple-ajax-clients-per-session.patch
>
>
> In current ajax code, there is a 1-1 relationship between ajax client and
> session. Since multiple windows in the same browser share the same session,
> it's impossible for the ajax code to update both windows. Either 1 or the
> other will receive messages, but not both.
> The attached patch allows an optional 'clientId' string to be passed to the
> JavaScript amq.init() function, similar to that supported by the REST
> servlet. This clientId string is sent to the server with every ajax request.
> In MessageListenerServlet, a new consumer is created for every new
> sessionid+clientId, allowing multiple windows in the same browser to send &
> receive messages independently.
> For some (currently) unknown reason, IE7 cannot send messages from multiple
> windows. 2 IE7 windows can receive messages independently with no errors,
> but once either IE7 window sends a message, both windows cease receiving
> data. This behavior is not seen in FF (OSX or WinXP) or Safari (OSX). All
> those browsers are able to send & receive simultaneously in multiple windows
> with no errors.
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