This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
When you say creating 2 sessions in a JSP, I believe you mean creating 2 session for a request. This is not possible. At any given point, a request can hold only 1 session [even though the servlet container creates multiple session's to handle multiple requests].