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From "David Corley \(AT/LMI\)" <>
Subject RE: path performance
Date Wed, 18 Oct 2006 06:50:55 GMT
Hey Kevin,
	If you put all of your tests into a Junit testsuite, and use the
<batch> paremeter of the <junit> task, junit will load the classpath
once and use it for all tests. Sometimes this isn't possible because of
dependency issues between tests, but give it a whirl.


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-----Original Message-----
From: Kevin Cline [] 
Sent: 18 October 2006 00:16
Subject: path performance

I am working on a complex project with a LOT of JARs on the classpath.
Currently we are using this path element:

     <path id ="classpath.unit_test">
        <pathelement path="${test.config.dir}"/>
        <pathelement path="${config.dir}"/>
        <pathelement path="${config.xml.dir}"/>
        <pathelement path="${classes.dir}"/>
        <!-- add all files in lib.dir to path -->
        <fileset dir="${lib.dir}">
                <include name="**/*.jar"/>
                <include name="**/*.zip"/>

This path is used in this junit element:
   <target name="test" >
                <junit >
                        <classpath refid="classpath.unit_test"/>
                        <test name="test1"/>
                        <test name="test2"/>

Timing indicates that ant is spending 30 seconds per test to walk the
lib tree building the classpath.  Does anyone have a solution to this

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