how to Get full url with # symbol in servlet?

i created a facebook application which calls a servlet. Servlet is called successfully with url=http://.../servlet/TestFbApp.LoginServlet?fb_login&#fname=_opener&guid=0.37535739550367&installed=1&session=%7B%22session_key%22%3A%222.AQBxL1ylG4iDe5Ud.3600.1309269600.1-1441611499%22%2C%22uid%22%3A1441611499%2C%22expires%22%3A1309269600%2C%22secret%22%3A%22dpKTa7uWMemwcikhI6IyFQ__%22%2C%22base_domain%22%3A%22shero.khayal.net%22%2C%22sig%22%3A%223cd456c02f79ddfbf0242812ad51ebc4%22%7D.

i try to get session key from this url but it gives me null value.

please help me to get that session key..

Thanks in advance

How you are setting session..please tell/

by using fb social plugins!

I have not worked/used facebook social plugins.
But if you can post your code here, I can give it a try to solve your problem

~ abhay

<div id="fb-root"></div><script src="http://connect.facebook.net/en_US/all.js#appId=APP_ID&xfbml=1"></script><fb:login-button show-faces="true" width="200" max-rows="1"></fb:login-button>

i also mention my APP_ID in above code

check this out..