Java – you can add the available parameters of a request (HttpServletRequest)

I want to intercept a request in a filter / servlet and add some parameters However, the request does not expose an error in the "setparameter" method and parameter mapping indicating that it is locked Is there any way I can try?

Solution

Subclass httpservletrequestwrapper and override the getparameter method This class is described as follows:

In the filter, wrap the request in an instance of your subclass