How to log all headers of request/response in Tomcat 7

Question

I\'m trying to log all headers of request/response in Tomcat 7. I tried to use access-log-valve. But as mentioned in the link, we can print headers only one by one. We have

Answer 1

There's no way out of the box - but an easy alternative is to stuff run a filter. The filter shove's all the headers you want into the servlet request. Then use "%{foo}r" in your pattern where foo is the name of the variable in the servlet request.