diff --git a/JasperReports/build.xml b/JasperReports/build.xml
index fce2f34ece6..9b979230b50 100644
--- a/JasperReports/build.xml
+++ b/JasperReports/build.xml
@@ -55,7 +55,7 @@
 
   <target name="compile" depends="makedir">
     <!-- compile the java code from ${src} into ${build.dir} -->
-    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on"  debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath>
 	      <pathelement path="${classpath}"/>
 		  <pathelement path="../client/build"/>
diff --git a/JasperReportsWebApp/build.xml b/JasperReportsWebApp/build.xml
index b71ae09e519..2b382653c8f 100644
--- a/JasperReportsWebApp/build.xml
+++ b/JasperReportsWebApp/build.xml
@@ -29,7 +29,7 @@
   <target name="compile">
   	<echo>------ Compiling webApp</echo>
   	<mkdir dir="${build.dir}"/>
-    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath refid="project.class.path"/>
     </javac>
   </target>
diff --git a/base/src/org/compiere/model/MProcess.java b/base/src/org/compiere/model/MProcess.java
index 31e47a7b42d..6bac24901cc 100644
--- a/base/src/org/compiere/model/MProcess.java
+++ b/base/src/org/compiere/model/MProcess.java
@@ -264,7 +264,7 @@ public List<MProcessPara> getParametersAsList(String optionalWhereClause) {
 				&& optionalWhereClause.trim().length() > 0)
 			whereClause.append(" AND ").append(optionalWhereClause);
 		//	
-		List<MProcessPara> list = new Query(getCtx(), I_AD_Process_Para.Table_Name, whereClause.toString(), get_TrxName())
+		List<MProcessPara> list = new Query(getCtx(), I_AD_Process_Para.Table_Name, whereClause.toString(), null)
 			.setParameters(get_ID())
 			.setOnlyActiveRecords(true)
 			.setOrderBy(MProcessPara.COLUMNNAME_SeqNo)
diff --git a/base/src/org/compiere/model/MRole.java b/base/src/org/compiere/model/MRole.java
index db10e0c5c9f..c34e61629b3 100644
--- a/base/src/org/compiere/model/MRole.java
+++ b/base/src/org/compiere/model/MRole.java
@@ -844,7 +844,7 @@ private void loadTableInfo (boolean reload)
 			+ "FROM AD_Table WHERE IsActive='Y'";
 		try
 		{
-			pstmt = DB.prepareStatement(sql, get_TrxName());
+			pstmt = DB.prepareStatement(sql, null);
 			rs = pstmt.executeQuery();
 			while (rs.next())
 			{
@@ -925,7 +925,7 @@ private void loadRecordAccess(boolean reload) {
 			whereClause = "(AD_Role_ID=? OR AD_User_ID = " + m_AD_User_ID + ")";
 		}
 		//	Add standard access
-		new Query(getCtx(), I_AD_Record_Access.Table_Name, whereClause, get_TrxName())
+		new Query(getCtx(), I_AD_Record_Access.Table_Name, whereClause, null)
 			.setParameters(getAD_Role_ID())
 			.setOnlyActiveRecords(true)
 			.setOrderBy(I_AD_Record_Access.COLUMNNAME_AD_Table_ID)
@@ -1498,7 +1498,7 @@ public Boolean getWindowAccess (int AD_Window_ID)
 			ResultSet rs = null;
 			try
 			{
-				pstmt = DB.prepareStatement(sql, get_TrxName());
+				pstmt = DB.prepareStatement(sql, null);
 				pstmt.setInt(1, getAD_Role_ID());
 				rs = pstmt.executeQuery();
 				while (rs.next())
@@ -2926,7 +2926,7 @@ private void loadChildRoles(boolean reload)
 		}
 		//
 		final String whereClause = X_AD_Role_Included.COLUMNNAME_AD_Role_ID+"=?";
-		List<X_AD_Role_Included> list = new Query(getCtx(), X_AD_Role_Included.Table_Name, whereClause, get_TrxName())
+		List<X_AD_Role_Included> list = new Query(getCtx(), X_AD_Role_Included.Table_Name, whereClause, null)
 		.setParameters(new Object[]{getAD_Role_ID()})
 		.setOnlyActiveRecords(true)
 		.setOrderBy(
@@ -2967,7 +2967,7 @@ private void loadSubstitutedRoles(boolean reload)
 		+" AND (us.ValidFrom IS NULL OR us.ValidFrom <= getdate())"
 		+" AND (us.ValidTo IS NULL OR us.ValidTo >= getdate())"
 		+" AND us.Substitute_ID=?)";
-		List<MRole> list = new Query(getCtx(), Table_Name, whereClause, get_TrxName())
+		List<MRole> list = new Query(getCtx(), Table_Name, whereClause, null)
 		.setParameters(new Object[]{AD_User_ID})
 		.setClient_ID()
 		.setOrderBy(COLUMNNAME_AD_Role_ID)
diff --git a/base/src/org/compiere/model/MSequence.java b/base/src/org/compiere/model/MSequence.java
index 3ad0c171cd0..d56747e5cc2 100644
--- a/base/src/org/compiere/model/MSequence.java
+++ b/base/src/org/compiere/model/MSequence.java
@@ -156,10 +156,6 @@ else if (DB.isOracle())
 
 					// Get the table
 					MTable table = MTable.get(Env.getCtx(), TableName);
-					// Set the transaction from Persistence Object avoid null transaction error
-					if (table.get_TrxName() == null && trxName != null)
-						table.set_TrxName(trxName);
-
 					int AD_Sequence_ID = rs.getInt(4);
 					boolean gotFromHTTP = false;
 
diff --git a/base/src/org/compiere/model/MTable.java b/base/src/org/compiere/model/MTable.java
index 383a830e738..d3db1d2f959 100644
--- a/base/src/org/compiere/model/MTable.java
+++ b/base/src/org/compiere/model/MTable.java
@@ -163,20 +163,14 @@ public static MTable get (Properties ctx, int AD_Table_ID)
 	 *	@param tableName case insensitive table name
 	 *	@return Table
 	 */
-    public static MTable get (Properties ctx, String tableName)
-	{
+    public static MTable get (Properties ctx, String tableName) {
 		if (tableName == null)
 			return null;
 		int tableId = getTable_ID(tableName);
 		if(tableId <= 0) {
 			return null;
 		}
-		MTable retValue = MTable.get(ctx, tableId);
-		if (retValue != null) {
-			Integer key = new Integer (retValue.getAD_Table_ID());
-			s_cache.put (key, retValue);
-		}
-		return retValue;
+		return MTable.get(ctx, tableId);
 	}	//	get
 	
 	/**
@@ -447,7 +441,7 @@ public List<MColumn> getColumnsAsList(boolean requery) {
 			return columns;
 		}
 		//	Default find
-		columns = new Query(getCtx(), I_AD_Column.Table_Name, "AD_Table_ID = ?", get_TrxName())
+		columns = new Query(getCtx(), I_AD_Column.Table_Name, "AD_Table_ID = ?", null)
 				.setParameters(getAD_Table_ID())
 				.setOrderBy(I_AD_Column.COLUMNNAME_ColumnName)
 				.list();
diff --git a/base/src/org/compiere/model/PO.java b/base/src/org/compiere/model/PO.java
index d219961142f..4c5788a48ad 100644
--- a/base/src/org/compiere/model/PO.java
+++ b/base/src/org/compiere/model/PO.java
@@ -125,6 +125,24 @@ public abstract class PO
 	private static final String USE_TIMEOUT_FOR_UPDATE = "org.adempiere.po.useTimeoutForUpdate";
 
 	private static final int QUERY_TIME_OUT = 10;
+	private boolean isCachedEntity = false;
+	
+	
+	/**
+	 * Validate if this PO is managed from cache
+	 * @return
+	 */
+	public final boolean isCachedEntity() {
+		return isCachedEntity;
+	}
+
+	/**
+	 * Set value for cache flag
+	 * @param isCachedEntity
+	 */
+	public final void setIsCachedEntity(boolean isCachedEntity) {
+		this.isCachedEntity = isCachedEntity;
+	}
 
 	/**
 	 * get instance based on table id , record id and trxName
@@ -3817,6 +3835,10 @@ public boolean unlock (String trxName)
 	 */
 	public void set_TrxName (String trxName)
 	{
+		if(isCachedEntity()
+				&& trxName!= null) {
+			throw new AdempiereException("Transaction not allowed for cache objects PO: " + this);
+		}
 		m_trxName = trxName;
 	}	//	setTrx
 
@@ -3826,6 +3848,9 @@ public void set_TrxName (String trxName)
 	 */
 	public String get_TrxName()
 	{
+		if(isCachedEntity()) {
+			throw new AdempiereException("Transaction not allowed for cache objects PO: " + this);
+		}
 		return m_trxName;
 	}	//	getTrx
 
diff --git a/base/src/org/compiere/util/CCache.java b/base/src/org/compiere/util/CCache.java
index 3a779314c9e..c74df0dfbe0 100644
--- a/base/src/org/compiere/util/CCache.java
+++ b/base/src/org/compiere/util/CCache.java
@@ -22,6 +22,7 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
+import org.compiere.model.PO;
 
 /**
  *  Adempiere Cache.
@@ -228,7 +229,12 @@ public Set<Map.Entry<K,V>> entrySet()
 	public V get(Object key)
 	{
 		expire();
-		return super.get(key);
+		V value = super.get(key);
+		if(value != null && PO.class.isAssignableFrom(value.getClass())) {
+			PO entity = (PO) value;
+			entity.setIsCachedEntity(true);
+		}
+		return value;
 	}	//	get
 
 	/**
@@ -241,6 +247,13 @@ public V put (K key, V value)
 	{
 		expire();
 		m_justReset = false;
+		if(value == null) {
+			return super.remove(key);
+		}
+		if(PO.class.isAssignableFrom(value.getClass())) {
+			PO entity = (PO) value;
+			entity.setIsCachedEntity(true);
+		}
 		return super.put (key, value);
 	}	// put
 
diff --git a/client/build.xml b/client/build.xml
index ef1a0b9cb33..fea68f26eb3 100644
--- a/client/build.xml
+++ b/client/build.xml
@@ -64,7 +64,7 @@
   <!-- =========================================== -->
   <target name="clientCompile" depends="clientMakedir">
     <!-- compile the java code from ${src} into ${build.dir} -->
-    <javac  target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath refid="project.class.path"/>
     </javac>
     <!-- copy all image & sound files from src to the build directory -->
diff --git a/com.kkalice.adempiere.migrate/build.xml b/com.kkalice.adempiere.migrate/build.xml
index 2382920eef8..6c5df813587 100644
--- a/com.kkalice.adempiere.migrate/build.xml
+++ b/com.kkalice.adempiere.migrate/build.xml
@@ -87,7 +87,7 @@
 	<!-- =========================================== -->
 	<target name="migrateCompile" depends="migrateInit" unless="jar.uptodate">
 		<!-- compile the java code -->
-		<javac srcdir="${source.dir}" destdir="${build.dir}" includeAntRuntime="false">
+		<javac srcdir="${source.dir}" destdir="${build.dir}" includeantruntime="false">
 			<classpath refid="project.class.path" />
 		</javac>
 		<!-- copy all image & sound files from source to the build directory -->
diff --git a/extend/build.xml b/extend/build.xml
index 38713ed3dac..fa89478e872 100644
--- a/extend/build.xml
+++ b/extend/build.xml
@@ -48,7 +48,7 @@
   
   <target name="compile" depends="makedir">
     <!-- compile the java code from ${src} into ${build.dir} -->
-    <javac  target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath refid="project.class.path"/>
     </javac>
     <!-- copy all image & sound files from src to the build directory -->
diff --git a/install/build.xml b/install/build.xml
index 9120a82466d..ad52c3b3c83 100644
--- a/install/build.xml
+++ b/install/build.xml
@@ -61,7 +61,7 @@
   <!-- ======================================================= -->
   <target name="installCompile" depends="installInit">
 	<!-- compile the java code from ${src} into ${build.dir} -->
-	<javac  target="11" encoding="UTF-8" srcdir="${src}" destdir="${compile.dir}" deprecation="on" debug="on">
+	<javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${compile.dir}" deprecation="on" debug="on" includeantruntime="false">
 	  <classpath refid="project.class.path"/>
 	</javac>
 	<!-- copy all image & sound files from src to the build directory -->
diff --git a/org.adempiere.asset/build.xml b/org.adempiere.asset/build.xml
index 6e592867c0e..9109af75a03 100644
--- a/org.adempiere.asset/build.xml
+++ b/org.adempiere.asset/build.xml
@@ -42,7 +42,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8" srcdir="${src}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
diff --git a/org.adempiere.production/build.xml b/org.adempiere.production/build.xml
index e3e54977bdd..c893db6f5c1 100644
--- a/org.adempiere.production/build.xml
+++ b/org.adempiere.production/build.xml
@@ -56,7 +56,7 @@
   <!-- =========================================== -->
   <target name="productionCompile" depends="productionMakedir">
     <!-- compile the java code from ${src} into ${build.dir} -->
-    <javac  target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath refid="project.class.path"/>
     </javac>
     <!-- copy all image & sound files from src to the build directory -->
diff --git a/org.adempiere.webservice/build.xml b/org.adempiere.webservice/build.xml
index 01f534a8131..e3ccdd7f339 100755
--- a/org.adempiere.webservice/build.xml
+++ b/org.adempiere.webservice/build.xml
@@ -72,7 +72,8 @@
 	           destdir="${classes.dir}"
 	           debug="${compile.debug}"
 	     	   deprecation="${compile.deprecation}"
-	           optimize="${compile.optimize}">
+				optimize="${compile.optimize}"
+				includeantruntime="false">
 	        <classpath refid="compile.classpath"/>
 	    </javac>
 		<copy todir="${classes.dir}">
diff --git a/org.compiere.mobile/build.xml b/org.compiere.mobile/build.xml
index 50d1eff0c32..a957f03bb4e 100644
--- a/org.compiere.mobile/build.xml
+++ b/org.compiere.mobile/build.xml
@@ -52,7 +52,8 @@
 	           destdir="${classes.dir}"
 	           debug="${compile.debug}"
 	     	   deprecation="${compile.deprecation}"
-	           optimize="${compile.optimize}">
+				optimize="${compile.optimize}"
+				includeantruntime="false">
 	        <classpath refid="compile.classpath"/>
 	    </javac>
 		<copy  todir="${classes.dir}" overwrite="true">
diff --git a/org.eevolution.cashflow/build.xml b/org.eevolution.cashflow/build.xml
index d5bb4b91738..71ad1acde1d 100644
--- a/org.eevolution.cashflow/build.xml
+++ b/org.eevolution.cashflow/build.xml
@@ -53,7 +53,7 @@
   <!-- =========================================== -->
   <target name="cashflowCompile" depends="cashflowMakedir">
     <!-- compile the java code from ${src} into ${build.dir} -->
-    <javac  target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+    <javac target="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
       <classpath refid="project.class.path"/>
     </javac>
     <!-- copy all image & sound files from src to the build directory -->
diff --git a/org.eevolution.fleet/build.xml b/org.eevolution.fleet/build.xml
index 8b661c0466b..f9d2e60513e 100644
--- a/org.eevolution.fleet/build.xml
+++ b/org.eevolution.fleet/build.xml
@@ -45,7 +45,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
diff --git a/org.eevolution.freight/build.xml b/org.eevolution.freight/build.xml
index 022826db95c..9746c4a9cb7 100644
--- a/org.eevolution.freight/build.xml
+++ b/org.eevolution.freight/build.xml
@@ -45,7 +45,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
@@ -71,7 +71,7 @@
     <target name="zkcompile" depends="dist"
             description="compile the source " >
         <!-- Compile the zk java code from ${src} into ${zkclasses} -->
-        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}">
+        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}" includeantruntime="false">
             <classpath refid="compile.classpath"/>
         </javac>
     </target>
diff --git a/org.eevolution.hr_and_payroll/build.xml b/org.eevolution.hr_and_payroll/build.xml
index b64b13435c1..4b9b51219c5 100755
--- a/org.eevolution.hr_and_payroll/build.xml
+++ b/org.eevolution.hr_and_payroll/build.xml
@@ -51,7 +51,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac target="11" encoding="UTF-8" fork="true" srcdir="${src}:${srcSwing}" destdir="${build}">
+    <javac target="11" encoding="UTF-8" fork="true" srcdir="${src}:${srcSwing}" destdir="${build}" includeantruntime="false">
       <exclude name="**/org/eevolution/plugin/*.java"/>
       <classpath refid="lib.class.path"/>
     </javac>
@@ -78,7 +78,7 @@
         description="compile the source " >
     <mkdir dir="${zkclasses}"/>
     <!-- Compile the zk java code from ${src} into ${zkclasses} -->
-    <javac srcdir="${zksrc}" destdir="${zkclasses}">
+    <javac srcdir="${zksrc}" destdir="${zkclasses}" includeantruntime="false">
       <classpath refid="compile.classpath"/>
     </javac>
   </target>
diff --git a/org.eevolution.manufacturing/build.xml b/org.eevolution.manufacturing/build.xml
index 41ea7a2d891..77179e7fdfc 100644
--- a/org.eevolution.manufacturing/build.xml
+++ b/org.eevolution.manufacturing/build.xml
@@ -52,7 +52,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8" debug="true" srcdir="${src}:${srcSwing}" destdir="${build}">
+    <javac encoding="UTF-8" debug="true" srcdir="${src}:${srcSwing}" destdir="${build}" includeantruntime="false">
       <classpath refid="compile.classpath"/>
     </javac>
   </target>
@@ -76,7 +76,7 @@
   <target name="zkcompile" depends="dist"
         description="compile the source " >
     <!-- Compile the zk java code from ${src} into ${zkclasses} -->
-    <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}">
+    <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}" includeantruntime="false">
       <classpath refid="compile.classpath"/>
     </javac>
   </target>
diff --git a/org.eevolution.warehouse/build.xml b/org.eevolution.warehouse/build.xml
index 76761edccf7..c2cdf1b292f 100644
--- a/org.eevolution.warehouse/build.xml
+++ b/org.eevolution.warehouse/build.xml
@@ -46,7 +46,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" destdir="${build}" includeantruntime="false">
       <exclude name="**/org/eevolution/plugin/*.java"/>
       <classpath refid="lib.class.path"/>
     </javac>
@@ -73,7 +73,7 @@
     <target name="zkcompile" depends="dist"
             description="compile the source " >
         <!-- Compile the zk java code from ${src} into ${zkclasses} -->
-        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}">
+        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" destdir="${zkclasses}" includeantruntime="false">
             <classpath refid="compile.classpath"/>
         </javac>
     </target>
diff --git a/org.spin.finance_management/build.xml b/org.spin.finance_management/build.xml
index 1b45d1a718f..0367b9f6311 100644
--- a/org.spin.finance_management/build.xml
+++ b/org.spin.finance_management/build.xml
@@ -48,7 +48,8 @@
 		description="compile the source ">
 		<!-- Compile the java code from ${src} into ${build} -->
 		<javac encoding="UTF-8" srcdir="${src}" sourcepath="${base}"
-			destdir="${build}">
+				destdir="${build}"
+				includeantruntime="false">
 			<classpath refid="lib.class.path" />
 		</javac>
 
diff --git a/org.spin.hr_time_and_attendance/build.xml b/org.spin.hr_time_and_attendance/build.xml
index 99e42ad53a5..298da6388f9 100644
--- a/org.spin.hr_time_and_attendance/build.xml
+++ b/org.spin.hr_time_and_attendance/build.xml
@@ -47,7 +47,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" sourcepath="${base}:${ADempiereHR}:${controller}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" sourcepath="${base}:${ADempiereHR}:${controller}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
diff --git a/org.spin.loan_management/build.xml b/org.spin.loan_management/build.xml
index ac88089f38c..23d4ddf57f7 100644
--- a/org.spin.loan_management/build.xml
+++ b/org.spin.loan_management/build.xml
@@ -51,7 +51,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" sourcepath="${base}:${FinanceManagement}:${controller}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" sourcepath="${base}:${FinanceManagement}:${controller}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
@@ -77,7 +77,7 @@
     <target name="zkcompile" depends="dist"
             description="compile the source " >
         <!-- Compile the zk java code from ${src} into ${zkclasses} -->
-        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" sourcepath="${base}:${FinanceManagement}:${controller}" destdir="${zkclasses}" >
+        <javac encoding="UTF-8" debug="true" srcdir="${zksrc}" sourcepath="${base}:${FinanceManagement}:${controller}" destdir="${zkclasses}" includeantruntime="false">
             <classpath refid="compile.classpath"/>
         </javac>
     </target>
diff --git a/org.spin.store/build.xml b/org.spin.store/build.xml
index 5efd1e290a4..6c56f6152c1 100644
--- a/org.spin.store/build.xml
+++ b/org.spin.store/build.xml
@@ -45,7 +45,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac encoding="UTF-8"  srcdir="${src}" sourcepath="${base}:${Store}:${controller}" destdir="${build}">
+    <javac encoding="UTF-8" srcdir="${src}" sourcepath="${base}:${Store}:${controller}" destdir="${build}" includeantruntime="false">
       <classpath refid="lib.class.path"/>
     </javac>
 
diff --git a/serverApps/build.xml b/serverApps/build.xml
index b9a7a6d94f8..c7ef541b84b 100644
--- a/serverApps/build.xml
+++ b/serverApps/build.xml
@@ -57,7 +57,8 @@
 	  debug="on"
 	  deprecation="off"
 	  optimize="on"
-	  classpathref="web.path">
+				classpathref="web.path"
+				includeantruntime="false">
       <src path="${src.servlet.dir}"/>
     </javac>
   	
diff --git a/serverRoot/build.xml b/serverRoot/build.xml
index e3da98a166e..a73b0c9e9fa 100644
--- a/serverRoot/build.xml
+++ b/serverRoot/build.xml
@@ -79,7 +79,8 @@
 	  debug="on"
 	  deprecation="off"
 	  optimize="on"
-      classpathref="base.path">
+				classpathref="base.path"
+				includeantruntime="false">
       <src path="${src.ejb.dir}"/>
       <src path="${src.servlet.dir}"/>
       <src path="${src.server.dir}"/>
diff --git a/sqlj/build.xml b/sqlj/build.xml
index ba1523352e6..a601a6aece1 100644
--- a/sqlj/build.xml
+++ b/sqlj/build.xml
@@ -36,7 +36,8 @@
 	    <javac srcdir="${src}" destdir="${build.dir}" 
 	    	deprecation="on" 
 	    	source="11" target="11" optimize="off"
-	    	debug="on">
+				debug="on"
+				includeantruntime="false">
 	      <classpath refid="project.class.path"/>
 	    </javac>
 	</target>
diff --git a/tools/build.xml b/tools/build.xml
index 4d34eb5c219..492a6fb60c6 100644
--- a/tools/build.xml
+++ b/tools/build.xml
@@ -67,7 +67,7 @@
 	<!-- ============================================= -->
 	<target name="toolsCompile" depends="toolsInit" unless="jars.uptodate">
 		<!-- compile the java code from ${src} into ${build.dir}S -->
-		<javac target="11" source="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on">
+		<javac target="11" source="11" encoding="UTF-8" srcdir="${src}" destdir="${build.dir}" deprecation="on" debug="on" includeantruntime="false">
 			<classpath refid="project.class.path" />
 		</javac>
 		<!-- copy all image & sound files from src to the build directory -->
diff --git a/webCM/build.xml b/webCM/build.xml
index edbba8f9ee8..3036c682ead 100644
--- a/webCM/build.xml
+++ b/webCM/build.xml
@@ -52,7 +52,8 @@
 	  debug="on"
 	  deprecation="off"
 	  optimize="on"
-	  classpathref="web.path">
+				classpathref="web.path"
+				includeantruntime="false">
       <src path="${src.servlet.dir}"/>
     </javac>
   	
diff --git a/zkwebui/build.xml b/zkwebui/build.xml
index 3ae18dcc97d..8086774fdb9 100644
--- a/zkwebui/build.xml
+++ b/zkwebui/build.xml
@@ -65,7 +65,8 @@
            destdir="${classes.dir}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           optimize="${compile.optimize}">
+				optimize="${compile.optimize}"
+				includeantruntime="false">
       <classpath refid="compile.classpath" />
     </javac>
     <copy todir="${classes.dir}" overwrite="true">