from tomcat configuration docs
http://tomcat.apache.org/tomcat-7.0-doc/config/context.html
You can configure named values that will be made visible to the
web application as servlet context initialization parameters by
nesting <Parameter> elements inside this
element. For example, you can create an initialization parameter
like this:
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<Context>
...
<Parameter name="companyName" value="My Company, Incorporated"
override="false"/>
...
</Context>
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This is equivalent to the inclusion of the following element in
the web application deployment descriptor (/WEB-INF/web.xml):
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<context-param>
<param-name>companyName</param-name>
<param-value>My Company, Incorporated</param-value>
</context-param>
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but does not require modification of the deployment
descriptor to customize this value.
On 08/23/2011 09:45 AM, Jeffrey Janner wrote:
If it helps generate a reply, I'm deploying into Tomcat 6.0.3x running under JDK 1.6.0_2x.
-----Original Message-----
From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
Sent: Monday, August 22, 2011 3:12 PM
To: 'Tomcat Users List'
Subject: Moving init params from web.xml to context.xml
Our apps are currently deployed using a minimal context.xml file
(pointer to doc-base only), with all the other information contained in
the web.xml and some properties files. What I'd like to do is move as
much of the customizable values out of the web.xml file and into the
context.xml file to make upgrades a bit easier. Specifically, I want
to move the properties files to a location that won't get overridden
when new war files are deployed.
Our current web.xml file is structured:
<web-app>
<context-param>
<param-name>LOG4J_PROPS</param-name>
<param-value>/WEB-INF/Log4j.properties</param-value>
</context-param>
<servlet>
<servlet-name>SERVA</servlet-name>
<display-name>SERVA</display-name>
<description>Controlling servlet for A</description>
<servlet-class>com.mycompany.webapp.serva</servlet-class>
<init-param>
<param-name>SERVA_PROPS</param-name>
<param-value>/WEB-INF/SERVA.properties</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>SERVB</servlet-name>
<display-name>SERVB</display-name>
<description>Controlling servlet for B</description>
<servlet-class>com.mycompany.webapp.servb</servlet-class>
<init-param>
<param-name>SERVB_PROPS</param-name>
<param-value>/WEB-INF/SERVB.properties</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
....
</web-app>
I know from the docs that I can save move the LOG4J_PROPS to the
context.xml as it is defined as a <context-param>. However, can I move
the 2 servlet props to the context.xml file also? If so, is it the
same as the log4j, or do I need to do something different?
Lastly, can the <session-timeout> setting be located outside of the
web.xml file? We customer with different requirements for this value
(some misguided), and would like to make it easy for them to set it
without having to update it with every deployment.
Jeff
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