tomcat putting quotes around the cookie value

I have a strange issue. The problem is when I am running tomcat 6 on my machine, it puts quotes in the cook开发者_如何转开发ie value. For example if a cookie name is A and its value is key=us&val=wdc, it puts a quote around the value and the value looks like "key=us&val=wdc". The problem is, I do not want tomcat to put such extra quotes in the cookie value.

one possible solution is to use tomcat 5.5.12.