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From Richárd Olivér Legéndi <richard.lege...@gmail.com>
Subject Modify JspServlet config in application web.xml?
Date Wed, 24 Jan 2018 21:31:53 GMT
Hi All,

Yaaaay! I'm sending a tech mail to an open source community after years!
You can't believe what a relief it is :-)

Anyaway, I would like to ask your help about some config topic.

I would need the following configuration *only *for my webapp:

<servlet>
    <servlet-name>jsp</servlet-name>
    <servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
    <init-param>
        <param-name>mappedfile</param-name>
        <param-value>false</param-value>
    </init-param>
    <init-param>
        <param-name>trimSpaces</param-name>
        <param-value>true</param-value>
    </init-param>
    <load-on-startup>3</load-on-startup></servlet>

So far I thought this is a setting which is global for Tomcat (i.e., it can
only be configured in Tomcat's *web.xml*). This is something I am not
allowed to do, beceause the Tomcat has other apps too.

I have made some experiments and for me it seems when I run the app locally
on my developer machine these settings take place even when it is only in
the *web.xml* of my own application.

Could someone enlighten me what is the exact mechanism here?

The docs <http://www2.hu-berlin.de/newlogic/docs/jasper-howto.html> also
say *"The servlet which implements Jasper is configured using init
parameters in your global $CATALINA_BASE/conf/web.xml"* so I'm confused if
this is an expected behaviour, only a "developer setting" or it could work
in a more restrictive production environment too. What I can think of is
that the servlet generator has different contexts for all the applications,
and if there is no specific setting then it inherits the one defined in the
global *web.xml*.

Any links / pointers / suggestions would be more than welcome!

Thanks a lot in advance, guys!

Best,
Richard

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