OpenAjaxHub getting disconnected

Hello everyone,

I have a JSP page which has one textbox and two buttons namely 'Check Availability' and 'Upload'. When the user clicks on 'Check Availability', one javascript function gets executed and in that function I have written some code which gets the value of the textbox and passes it as a message to the Doclist widget through OpenAjaxHub oMessage. On the other hand, when the user clicks on 'Upload', one servlet gets invoked and that servlet gets the textbox value and creates a file in the docbase with the value of the textbox as the file name. But after transferring the control from the servlet to the calling JSP, if I click on 'Check Availability' button again, I get some errors in the console like "Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('http://undefined') does not match the recipient window's origin" and "Uncaught Error: OpenAjax.hub.Error.Disconnected". I don't know why this error is occuring. If someone has a solution for this, it will be really helpful for me.

Thank you...

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Accepted answers

Aravindharaj

It seems that whenever the control is transferred from servlet to the jsp (I have tried both sendRedirect and forward), the jsp page gets refreshed and because of that, the openajaxhub gets disconnected. I don't know whether this is a bug present in the openajaxhub or I have done something wrong. But finally, I found a workaround and it is to submit the jsp without refreshing it through the AJAX call. Hope this solution helps someone like me.

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Aravindharaj

daniela_farolfi

Hello,

your jsp page is called inside D2, like an external widget, or from a separate web application? I've a similar requirement, would you be available to share your code, at least relevant parts?

Thanks in advance and regards

Daniela

Aravindharaj

Hi Daniela,

Yes I have included my jsp page as an external widget. I am not supposed to share my entire code but I will share the relevant parts with you.

NOTE: Please include jquery.ajaxfileupload.js and jquery-1.8.2.js to your jsp page.

Here it is:

$(document).ready(function(){

$('input[type="file"]').ajaxfileupload({

'action' : 'UploadContent',

'submit_button': $('#upload1'),

'onComplete' : function(response) {

console.log(response);

$('#label').html("<h5>Upload Successful!</h5>");

'onStart' : function() {

$('#label').html("<h5>Uploading...</h5>");

}

});

</script>