Can a filter handle all the apps in a container?

[Thiru Panyala <th...@hds.com>]

Hi,

I have a simple (stupid?) question.
Can I configure a Servlet filter to intercept requests to all the
applications (a.k.a all the ServletContexts)? All I know is we can configure
a filter for each ServletContext (application), but I am wondering if there
is any way.

The reason I am asking is because, if there is a way to do so, I can
configure my filter to provide me the debug output (Such as CGI, session,
request, and ServletContext variables) on all the applications on
development servers and I can get rid of debugging on production servers (by
not deploying the filter).

Thanx in advance,
Thirupati Panyala

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Re: Can a filter handle all the apps in a container?

[Eddie Bush <ek...@swbell.net>]

Thiru Panyala wrote:

>Hi,
>
>I have a simple (stupid?) question.
>Can I configure a Servlet filter to intercept requests to all the
>applications (a.k.a all the ServletContexts)? All I know is we can configure
>a filter for each ServletContext (application), but I am wondering if there
>is any way.
>
You setup filters in web.xml - you could configure the filter for every 
app; you'd do it one app at a time.  Would it be the same instance?  Now 
there's a good question ... Craig?

>The reason I am asking is because, if there is a way to do so, I can
>configure my filter to provide me the debug output (Such as CGI, session,
>request, and ServletContext variables) on all the applications on
>development servers and I can get rid of debugging on production servers (by
>not deploying the filter).
>
I think I'm not understanding.  See commons-logging for controlling 
logging output.  commons-logging + (jdk1.4 logging | log4j) = 
easily-managed debug output.

>Thanx in advance,
>Thirupati Panyala
>
-- 
Eddie Bush




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