Log files about navigation in my cocoon site

[Elvira Nieto Carretero]

Hello, all!   I'd like to generate reports and stadistics about top sections more visited of my site web created with cocoon.   For it i thinked in Jasper Report, for example but this utility need log files where to get that datas.   My question is where i can found that log files? where cocoon save that information.   Thanks   Best desires