I get this when I have changed my servlet classes and the old database
connection is still sort of connected.
Seems to come from a discrepancy betwwen versions of the classes (old
and new). Restarting the JVM fixes it.

I have a .js file which i am using to construct my
menu bar.(I cannot make this .js file to .jsp, code is
already in production)Now depending
upon one java variable i want to display one row in
menu bar

How can i do that.(Moral of the story is that can i
use one java varible in .js file no...)