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.
I prefer that my beans are container unaware. If I needed to do something like this, I would put all the variables that need to be shared into one object and bind that to context scope. then I would pass a reference to that object to any beans that need it's properties.