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How can I achieve this in JSPs?

 
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Hi,
I have two methods in my jsp page, which in turn call java beans, which call ejbs. I want both the methods to execute only if both of them return desired results. First method posts to a site, and the second method updates a table in the database. Now, if the post is unsuccessful, I'm not calling the update method. But if the post is successful, and the update fails, then I shouldn't be posting at all. I should be able to rollover the post. Is there a way to achieve this ?
Any response will be gladly appreciated.
Thanks.
 
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