diff --git a/build.xml b/build.xml
index a70e0ca..23bb674 100644
--- a/build.xml
+++ b/build.xml
@@ -1,22 +1,17 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <project basedir="." default="build" name="scenarium-logger" xmlns:jacoco="antlib:org.jacoco.ant">
-    <property environment="env"/>
-    <property name="colos-network.location" value="../spearhead/colos"/>
-    <property name="plugin-manager.location" value="../plugin-manager"/>
-    <property name="scenarium-base.location" value="../scenarium-base"/>
-    <property name="scenarium-core.location" value="../scenarium-core/core"/>
-    <property name="scenarium-river.location" value="../scenarium-river"/>
-    <property name="scenarium-run.location" value="../scenarium-run"/>
-    <property name="junit.output.dir" value="junit"/>
-    <property name="debuglevel" value="source,lines,vars"/>
-    <property name="target" value="14"/>
-    <property name="source" value="14"/>
-    
-	<property name="result.dir" location="./target" />
+	<property environment="env"/>
+	<property name="debuglevel" value="source,lines,vars"/>
+	<!-- configure dependency of JAVA -->
+	<property name="target" value="14"/>
+	<property name="source" value="14"/>
+	
+	<property name="result.dir" location="./out/ant/" />
+	<property name="result.juint.dir" location="${result.dir}/junit" />
 	<property name="result.classes.dir" location="${result.dir}/classes" />
 	<property name="result.report.dir" location="${result.dir}/site/jacoco" />
 	<property name="result.exec.file" location="${result.dir}/jacoco.exec" />
-	<!-- Step 1: Import JaCoCo Ant tasks -->
+	<!-- Import JaCoCo Ant tasks -->
 	<taskdef uri="antlib:org.jacoco.ant" resource="org/jacoco/ant/antlib.xml">
 		<classpath path="/home/heero/jacoco/jacocoant.jar" />
 	</taskdef>
@@ -40,129 +35,86 @@ wget https://repo1.maven.org/maven2/org/hamcrest/hamcrest-core/2.2/hamcrest-core
 wget https://repo1.maven.org/maven2/org/junit/platform/junit-platform-suite-api/1.6.2/junit-platform-suite-api-1.6.2.jar
 wget https://repo1.maven.org/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
 	-->
-    <path id="junit.classpath">
-        <pathelement location="${basedir}/extern/lib/junit-jupiter-api-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-jupiter-engine-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-jupiter-migrationsupport-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-jupiter-params-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-platform-commons-1.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-platform-engine-1.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-platform-launcher-1.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-jupiter-runner-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-platform-suite-api-1.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-vintage-engine-5.6.2.jar"/>
-        <pathelement location="${basedir}/extern/lib/opentest4j-1.2.0.jar"/>
-        <pathelement location="${basedir}/extern/lib/apiguardian-api-1.1.0.jar"/>
-        <pathelement location="${basedir}/extern/lib/junit-4.13.jar"/>
-        <pathelement location="${basedir}/extern/lib/hamcrest-core-1.3.jar"/>
-    </path>
-    <path id="scenarium-logger.classpath">
-        <pathelement location="target/classes"/>
-        <pathelement location="target/test-classes"/>
-        <path refid="junit.classpath"/>
-    </path>
-    <path id="run.TestBasicLog.classpath">
-        <path refid="scenarium-logger.classpath"/>
-        <path refid="junit.classpath"/>
-    </path>
-    <target name="init">
-        <mkdir dir="target/classes"/>
-        <mkdir dir="target/test-classes"/>
-        <copy includeemptydirs="false" todir="target/classes">
-            <fileset dir="src">
-                <exclude name="**/*.launch"/>
-                <exclude name="**/*.java"/>
-            </fileset>
-        </copy>
-        <copy includeemptydirs="false" todir="target/test-classes">
-            <fileset dir="test/src">
-                <include name="**/*.java"/>
-                <exclude name="**/*.launch"/>
-                <exclude name="**/*.java"/>
-            </fileset>
-        </copy>
-    </target>
-    <target name="clean">
-        <delete dir="target/classes"/>
-        <delete dir="target/test-classes"/>
-    </target>
-    <target depends="clean" name="cleanall"/>
-    <target depends="build-subprojects,build-project" name="build"/>
-    <target name="build-subprojects"/>
-    <target depends="init" name="build-project">
-        <echo message="${ant.project.name}: ${ant.file}"/>
-        <javac debug="true" debuglevel="${debuglevel}" destdir="target/classes" includeantruntime="false" source="${source}" target="${target}">
-            <src path="src"/>
-            <classpath refid="scenarium-logger.classpath"/>
-        </javac>
-        <javac debug="true" debuglevel="${debuglevel}" destdir="target/test-classes" includeantruntime="false" source="${source}" target="${target}">
-            <src path="test/src"/>
-            <include name="**/*.java"/>
-            <classpath refid="scenarium-logger.classpath"/>
-        </javac>
-    </target>
-    <target description="Build all projects which reference this project. Useful to propagate changes." name="build-refprojects">
-        <ant antfile="build_old.xml" dir="${colos-network.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${colos-network.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-        <ant antfile="build_old.xml" dir="${plugin-manager.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${plugin-manager.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-        <ant antfile="build_old.xml" dir="${scenarium-base.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${scenarium-base.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-        <ant antfile="build_old.xml" dir="${scenarium-core.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${scenarium-core.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-        <ant antfile="build_old.xml" dir="${scenarium-river.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${scenarium-river.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-        <ant antfile="build_old.xml" dir="${scenarium-run.location}" inheritAll="false" target="clean"/>
-        <ant antfile="build_old.xml" dir="${scenarium-run.location}" inheritAll="false" target="build">
-            <propertyset>
-                <propertyref name="build.compiler"/>
-            </propertyset>
-        </ant>
-    </target>
-    <target description="copy Eclipse compiler jars to ant lib directory" name="init-eclipse-compiler">
-        <copy todir="${ant.library.dir}">
-            <fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
-        </copy>
-        <unzip dest="${ant.library.dir}">
-            <patternset includes="jdtCompilerAdapter.jar"/>
-            <fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
-        </unzip>
-    </target>
-    <target description="compile project with Eclipse compiler" name="build-eclipse-compiler">
-        <property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/>
-        <antcall target="build"/>
-    </target>
-    <target name="TestBasicLog">
-        <mkdir dir="${junit.output.dir}"/>
-        <jacoco:coverage destfile="${result.exec.file}">
-	        <junit fork="yes" printsummary="withOutAndErr">
-	            <formatter type="xml"/>
-	            <test name="test.scenarium.logger.TestBasicLog" todir="${junit.output.dir}"/>
-	            <jvmarg line="-ea"/>
-	            <classpath refid="run.TestBasicLog.classpath"/>
-	        </junit>
-        </jacoco:coverage>
-    </target>
+	<path id="junit.classpath">
+		<!-- keep all lib in this directiry-->
+		<fileset dir="${basedir}/extern/lib/"/>
+		<!--
+		<pathelement location="${basedir}/extern/lib/junit-jupiter-api-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-jupiter-engine-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-jupiter-migrationsupport-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-jupiter-params-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-platform-commons-1.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-platform-engine-1.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-platform-launcher-1.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-jupiter-runner-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-platform-suite-api-1.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-vintage-engine-5.6.2.jar"/>
+		<pathelement location="${basedir}/extern/lib/opentest4j-1.2.0.jar"/>
+		<pathelement location="${basedir}/extern/lib/apiguardian-api-1.1.0.jar"/>
+		<pathelement location="${basedir}/extern/lib/junit-4.13.jar"/>
+		<pathelement location="${basedir}/extern/lib/hamcrest-core-1.3.jar"/>
+		-->
+	</path>
+	<path id="scenarium-logger.classpath">
+		<pathelement location="target/classes"/>
+		<pathelement location="target/test-classes"/>
+		<path refid="junit.classpath"/>
+	</path>
+	<path id="run.TestBasicLog.classpath">
+		<path refid="scenarium-logger.classpath"/>
+		<path refid="junit.classpath"/>
+	</path>
+	<target name="init">
+		<mkdir dir="target/classes"/>
+		<mkdir dir="target/test-classes"/>
+		<copy includeemptydirs="false" todir="target/classes">
+			<fileset dir="src">
+				<exclude name="**/*.launch"/>
+				<exclude name="**/*.java"/>
+			</fileset>
+		</copy>
+		<copy includeemptydirs="false" todir="target/test-classes">
+			<fileset dir="test/src">
+				<include name="**/*.java"/>
+				<exclude name="**/*.launch"/>
+				<exclude name="**/*.java"/>
+			</fileset>
+		</copy>
+	</target>
+	<target name="clean">
+		<delete dir="target/classes"/>
+		<delete dir="target/test-classes"/>
+	</target>
+	<target depends="clean" name="cleanall"/>
+	<target depends="build-subprojects,build-project" name="build"/>
+	<target name="build-subprojects"/>
+	<target depends="init" name="build-project">
+		<echo message="${ant.project.name}: ${ant.file}"/>
+		<javac debug="true" debuglevel="${debuglevel}" destdir="target/classes" includeantruntime="false" source="${source}" target="${target}">
+			<src path="src"/>
+			<classpath refid="scenarium-logger.classpath"/>
+		</javac>
+		<javac debug="true" debuglevel="${debuglevel}" destdir="target/test-classes" includeantruntime="false" source="${source}" target="${target}">
+			<src path="test/src"/>
+			<include name="**/*.java"/>
+			<classpath refid="scenarium-logger.classpath"/>
+		</javac>
+	</target>
+	<target description="compile project with Eclipse compiler" name="build-eclipse-compiler">
+		<property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/>
+		<antcall target="build"/>
+	</target>
+	<target name="TestBasicLog">
+		<mkdir dir="${result.juint.dir}"/>
+		<jacoco:coverage destfile="${result.exec.file}">
+			<junit fork="yes" printsummary="withOutAndErr">
+				<formatter type="xml"/>
+				<test name="test.scenarium.logger.TestBasicLog" todir="${result.juint.dir}"/>
+				<jvmarg line="-ea"/>
+				<classpath refid="run.TestBasicLog.classpath"/>
+			</junit>
+		</jacoco:coverage>
+	</target>
 	<target name="test" depends="TestBasicLog">
 	</target>
 	<target name="report" depends="test">
@@ -189,11 +141,21 @@ wget https://repo1.maven.org/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core
 			<csv destfile="${result.report.dir}/report.csv" />
 			<xml destfile="${result.report.dir}/report.xml" />
 		</jacoco:report>
-        <junitreport todir="${junit.output.dir}">
-            <fileset dir="${junit.output.dir}">
-                <include name="TEST-*.xml"/>
-            </fileset>
-            <report format="frames" todir="${junit.output.dir}"/>
-        </junitreport>
+		<junitreport todir="${result.juint.dir}">
+			<fileset dir="${result.juint.dir}">
+				<include name="TEST-*.xml"/>
+			</fileset>
+			<report format="frames" todir="${result.juint.dir}"/>
+		</junitreport>
+	</target>
+	<!-- generate by eclipse do not understand why -->
+	<target description="copy Eclipse compiler jars to ant lib directory" name="init-eclipse-compiler">
+		<copy todir="${ant.library.dir}">
+			<fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
+		</copy>
+		<unzip dest="${ant.library.dir}">
+			<patternset includes="jdtCompilerAdapter.jar"/>
+			<fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
+		</unzip>
 	</target>
 </project>