--- build.xml.sav	2006-05-24 20:30:14.000000000 -0400
+++ build.xml	2006-06-12 10:35:02.000000000 -0400
@@ -348,6 +348,7 @@
         description="Runs all unit tests in tests/junit and prints results to stdout">
         <junit printsummary="yes" timeout="${unittest.timeout.low}" fork="yes">
             <classpath refid="jg.classpath"/>
+            <jvmarg value="-Djava.net.preferIPv4Stack=true"/>
             <formatter type="brief" usefile="false"/>
             <batchtest todir="${tmp.dir}">
                 <fileset dir="${junit.dir}"
@@ -363,7 +364,8 @@
         <mkdir dir="${tmp.dir}/tests-results"/>
         <junit printsummary="yes" timeout="${unittest.timeout.low}" fork="yes">
             <jvmarg value="-Dtests.tmp.dir=${tmp.dir}"/>
-            <jvmarg value="-Dlog4j.configuration=file:c:\log4j.properties"/>
+            <jvmarg value="-Dlog4j.configuration=file:conf/log4j.properties"/>
+            <jvmarg value="-Djava.net.preferIPv4Stack=true"/>
             <classpath refid="jg.classpath"/>
             <formatter type="xml" usefile="true"/>
             <batchtest todir="${tmp.dir}/tests-results">