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From Oliver Heger <>
Subject Re: [configuration] Variable interpolation across files broken
Date Sun, 26 Feb 2012 18:42:08 GMT
Am 26.02.2012 09:19, schrieb sam iam:
> Hi, With Commons Configuration 1.6, I was able to declare a variable in a properties
file, and then reference it in a XML file using the ${myvar} syntax. For example:
>    <product name="abc">
>      <desc>${myvar}-product</desc>
>    </link></product>  config.xml-----<properties fileName=""/><xml
fileName="test.xml" config-name="test" validating="true">
>    <expressionEngine config-class="org.apache.commons.configuration.tree.xpath.XPathExpressionEngine"/>
>    <reloadingStrategy refreshDelay="5000" config-class="org.apache.commons.configuration.reloading.FileChangedReloadingStrategy"/>
> </xml>
> When I try to retrieve the value, like so: combinedConfig.getConfiguration("test").configurationAt("products/product[@name='abc']",
true).getString("desc") I get "${myvar}-product" instead of "abc-product". This was working
in Commons Configuration 1.6, but seems to be broken in 1.7 and 1.8. Did something change,
or is there a different way to do this? Or is this a bug?  		 	   		

This seems to be a regression between versions 1.6 and 1.7. Could you 
please open a ticket in our bug tracking system [1]? Please attach your 
test configuration files so we can reproduce the problem.


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