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https://issues.apache.org/jira/browse/AMQ-3350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved AMQ-3350.
------------------------------
Resolution: Fixed
Thanks for the patch.
> amq.js initHandler() method swallows first message received
> -----------------------------------------------------------
>
> Key: AMQ-3350
> URL: https://issues.apache.org/jira/browse/AMQ-3350
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.5.0
> Environment: MAC OS X (10.6)
> Reporter: Ken Seiss
> Assignee: Claus Ibsen
> Priority: Trivial
> Fix For: 5.10.0
>
>
> The very first message received by a javascript client (when using
> {{amq.js}}) is swallowed with no action. This is because the {{sendPoll()}}
> method calls {{initHandler()}} from the {{successCallback}} handler when the
> message arrives and the boolean {{sessionInitialized}} is false. This sends
> the code into the {{initHandler()}} method which in the end just calls
> {{sendPoll()}} again. It never bothers calling {{pollHandler()}} to deal
> with the message it received.
> {code:title=amq.js|borderStyle=solid}
> // *** This method does not process the data passed in. It just calls
> sendPoll() again!
> var initHandler = function(data) {
> sessionInitialized = true;
> if(sessionInitializedCallback) {
> sessionInitializedCallback();
> }
> sendPoll();
> }
> var sendPoll = function() {
> // Workaround IE6 bug where it caches the response
> // Generate a unique query string with date and random
> var now = new Date();
> var timeoutArg = sessionInitialized ? timeout : 0.001;
> var data = 'timeout=' + timeoutArg * 1000
> + '&d=' + now.getTime()
> + '&r=' + Math.random();
> var successCallback = sessionInitialized ? pollHandler :
> initHandler;
>
> var options = { method: 'get',
> data: addClientId( data ),
> success: successCallback,
> error: pollErrorHandler};
> adapter.ajax(uri, options);
> };
> {code}
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