2013/2/2 Arnab Ghosh <mail2arna...@yahoo.com>:
>
> I need a help for the following problem -
>
> I have a web application where cookies are getting added multiple times and
> because of that response header is becoming big containing many duplicate
> cookies. Now the web application is so big that it is nearly impossible to
> correct those cookie logic in a short term.
>
> So I have planned to use a HttpServletResponseWrapper in a Filter. It will
> contain a HashMap. I have overridden the addcookie method of the response
> wrapper. Now the cookies will be added to the map instead of response. So it
> will not have any duplicate cookie. Now I have created a Custom Servlet
> Output Stream and Print writer and overridden the close method. Before
> closing the stream/writer I will take the cookies from map and will add to
> the actual response header. Problem is it works fine with pure servlet. But
> the close method of the stream/writer not getting called when using with JSP.
> What can be the issue -
>
> I have overridden the getOutPutStream/Getwriter method and those method will
> return my custom classes. I have also overridden the flushbuffer method.
>
1. Tomcat version = ?
2. response.addCookie() method is a proxy for
response.addHeader("Set-Cookie", ...),
--- See its implementation in org.apache.catalina.connector.Response class.
In a Servlet 3.0 application unless response has been committed, its
headers can be read and overwritten with a combination of
getHeaders(), setHeader(), addHeader() calls.
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