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From "Arnone, Anthony" <>
Subject context-relative path in JNDI variables
Date Tue, 11 Sep 2007 20:39:26 GMT
Hello all,


I’m trying to set a system where I can deploy a single .war under multiple context names
(using the ant deploy extensions). For example:


ant -Ddeploy-path=/app-01 deploy

ant -Ddeploy-path=/app-02 deploy


Both deploy commands use the same .war. However, I’m trying to do something that I’ve
been unable to find a proper method for. The application being deployed (in this case it’s
Solr) needs one variable to be defined in either a context fragment in META-INF/context.xml
or defined in WEB-INF/web.xml. The variable is solr/home, and it points to a directory that
is packed inside the .war. So, I would like to have a context fragment that looks like this:


In META-INF/context.xml



    <Environment name="solr/home" type="java.lang.String" value="webapps/${}/app-01/solr/"
override="true" />



Or in WEB-INF/web.xml





    <env-entry-value> webapps/${}/app-01/solr/</env-entry-value>



As you can see, I’ve used a variable called ${}, so that the different contexts
can use the same fragment, but be named something different. This allows for a much simpler
deployment, where no context.xml needs to be generated and packaged into the war at deploy
time. Unfortunately,  as far as I know, a variable like this does not exist. So my question
is this, is there a way to specify a variable like this relative to the context root?


Thanks, any help would be appreciated.

Anthony Arnone

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