diff --git a/build.xml b/build.xml
index 5c532d3..5865aa5 100644
--- a/build.xml
+++ b/build.xml
@@ -578,6 +578,9 @@ limitations under the License.-->'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -590,6 +593,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -602,6 +608,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Jdk14Logger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -612,6 +621,9 @@ limitations under the License.--&gt;'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -624,6 +636,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -636,6 +651,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.jdk14.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Jdk14Logger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -705,6 +723,9 @@ limitations under the License.--&gt;'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -718,6 +739,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -731,6 +755,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Log4JLogger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -742,6 +769,9 @@ limitations under the License.--&gt;'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -755,6 +785,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -768,6 +801,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Log4JLogger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -895,6 +931,9 @@ limitations under the License.--&gt;'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -908,6 +947,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -921,6 +963,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Log4JLogger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -932,6 +977,9 @@ limitations under the License.--&gt;'>
       <sysproperty key="wrapper.target" value="${build.home}"/>
       <sysproperty key="wrapper.testcase"
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -945,6 +993,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.LogFactory"
                  value="org.apache.commons.logging.impl.LogFactoryImpl"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
@@ -958,6 +1009,9 @@ limitations under the License.--&gt;'>
                  value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
       <sysproperty key="org.apache.commons.logging.Log"
                  value="org.apache.commons.logging.impl.Log4JLogger"/>
+      <sysproperty key="commons.logging.jar" value="${core.jar.name}"/>
+      <sysproperty key="commons.logging.api.jar" value="${api.jar.name}"/>
+      <sysproperty key="commons.logging.appenders.jar" value="${appenders.jar.name}"/>
       <classpath refid="test.classpath.wrap"/>
     </java>
 
diff --git a/src/test/org/apache/commons/logging/Wrapper.java b/src/test/org/apache/commons/logging/Wrapper.java
index 9818271..11521b9 100644
--- a/src/test/org/apache/commons/logging/Wrapper.java
+++ b/src/test/org/apache/commons/logging/Wrapper.java
@@ -82,10 +82,22 @@ public class Wrapper {
 
             // Construct URLs for the various JAR files
             File target = new File(System.getProperty("wrapper.target"));
-            URL commonsLogging =
-                (new File(target, "commons-logging.jar")).toURL();
-            URL commonsLoggingApi =
-                (new File(target, "commons-logging-api.jar")).toURL();
+            
+            // the test invoker is required to set these system properties
+            // to point to the appropriate jar files
+            String jcljar = System.getProperty("commons.logging.jar");
+            String jclapijar = System.getProperty("commons.logging.api.jar");
+            String jclappjar = System.getProperty("commons.logging.appenders.jar");
+            if ((jcljar==null) || (jclapijar==null) || (jclappjar==null)) {
+                throw new Exception(
+                    "Required system property for test is missing. "
+                        + "One or more of the following is not defined: "
+                        + "commons.logging.jar, commons.logging.api.jar, "
+                        + "commons.logging.appenders.jar");
+            }
+            
+            URL commonsLogging = (new File(target, jcljar)).toURL();
+            URL commonsLoggingApi = (new File(target, jclapijar)).toURL();
             URL commonsLoggingTests =
                 (new File(target, "commons-logging-tests.jar")).toURL();
             URL junit =
@@ -96,9 +108,12 @@ public class Wrapper {
                 log4j =
                     (new File(System.getProperty("wrapper.log4j"))).toURL();
                 appender =
-                    (new File(target, "commons-logging-appender.jar")).toURL();
+                    (new File(target, jclappjar)).toURL();
             }
 
+            System.out.println("commonsLogging lib is at [" + commonsLogging + "]");
+            System.out.println("commonsLoggingApi lib is at [" + commonsLoggingApi + "]");
+            
             // Construct class loader repository lists for supported scenarios
             if ("API".equals(System.getProperty("wrapper.hierarchy"))) {
                 parentList.add(commonsLoggingApi);