Error While Extract results from OBIEE 11g Prest. Service to External apps.

Need a urgent help
I am using java to connect to OBIEE's  11g SOAP-API and trying to pull Graph’s in External Application.
I have successfully been able to connect to the API, create an HtmlViewServiceSoap object, and use a combination of the following methods to pull HTML & Javascript Content and write to a file through this all methods: addReportToPage, getHeadersHTML, and getHTMLForReport.
But while executing the respective URL got from getHeadersHTML ,getHTMLForReport function it gives ‘EmptyResponse’ alert message. Actually, The URL got from getHTMLForReport i.e. reportObject.setAjaxGoUrl does not Hit to Bridge Servlet, So in the application only the Searching image appears with ‘EmptyResponse’ alert message .
We are Successfully able to render graphs using OBIEE's  10g SOAP-API HtmlViewServiceSoap service and getHeadersHTML ,getHTMLForReport function in External Application.
Please let me Know the solution ASAP for extracting Graph from OBIEE's 11g SOAP-API
Edited by: user13351567 on Jul 1, 2011 12:49 AM

Hi all
João, could you please explain how did you solved that network problem? I'm having a similar error establishing a Site Studio connection: 'Design time connection error: java.net.SocketTimeoutException: Read timed out'
If I create this connection from a JDeveloper installed in the machine where UCM, WebCenter and SSXA are installed there's no connection problem. The problem only occurs in others pcs in the same network.
Thank you in advance

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