diff --git a/org.adempiere.base.process/src/org/adempiere/process/ImmediateBankTransfer.java b/org.adempiere.base.process/src/org/adempiere/process/ImmediateBankTransfer.java
index 6000dc6a42..24041ec454 100644
--- a/org.adempiere.base.process/src/org/adempiere/process/ImmediateBankTransfer.java
+++ b/org.adempiere.base.process/src/org/adempiere/process/ImmediateBankTransfer.java
@@ -249,7 +249,7 @@ public class ImmediateBankTransfer extends SvrProcess
 		MCash cash = createCash();
 		MCashLine cashLines[]= createCashLines(cash);
 		
-		StringBuilder processMsg = new StringBuilder(cash.getDocumentNo());
+		StringBuilder processMsg = new StringBuilder().append(cash.getDocumentNo());
 	
 		cash.setDocAction(p_docAction);
 		if (!cash.processIt(p_docAction))
diff --git a/org.adempiere.base.process/src/org/compiere/process/ImportOrder.java b/org.adempiere.base.process/src/org/compiere/process/ImportOrder.java
index 06d12d54f5..08ecf97f96 100644
--- a/org.adempiere.base.process/src/org/compiere/process/ImportOrder.java
+++ b/org.adempiere.base.process/src/org/compiere/process/ImportOrder.java
@@ -90,7 +90,7 @@ public class ImportOrder extends SvrProcess
 	{
 		StringBuilder sql = null;
 		int no = 0;
-		String clientCheck = " AND AD_Client_ID=" + m_AD_Client_ID;
+		StringBuilder clientCheck = new StringBuilder(" AND AD_Client_ID=").append(m_AD_Client_ID);
 
 		//	****	Prepare	****
 
diff --git a/org.adempiere.base.process/src/org/compiere/process/ProjectPhaseGenOrder.java b/org.adempiere.base.process/src/org/compiere/process/ProjectPhaseGenOrder.java
index 5c6cd21aa3..393641b9a8 100644
--- a/org.adempiere.base.process/src/org/compiere/process/ProjectPhaseGenOrder.java
+++ b/org.adempiere.base.process/src/org/compiere/process/ProjectPhaseGenOrder.java
@@ -77,7 +77,7 @@ public class ProjectPhaseGenOrder  extends SvrProcess
 		{
 			MOrderLine ol = new MOrderLine(order);
 			ol.setLine(fromPhase.getSeqNo());
-			StringBuilder sb = new StringBuilder (fromPhase.getName());
+			StringBuilder sb = new StringBuilder ().append(fromPhase.getName());
 			if (fromPhase.getDescription() != null && fromPhase.getDescription().length() > 0)
 				sb.append(" - ").append(fromPhase.getDescription());
 			ol.setDescription(sb.toString());
@@ -122,7 +122,7 @@ public class ProjectPhaseGenOrder  extends SvrProcess
 		{
 			MOrderLine ol = new MOrderLine(order);
 			ol.setLine(tasks[i].getSeqNo());
-			StringBuilder sb = new StringBuilder (tasks[i].getName());
+			StringBuilder sb = new StringBuilder ().append(tasks[i].getName());
 			if (tasks[i].getDescription() != null && tasks[i].getDescription().length() > 0)
 				sb.append(" - ").append(tasks[i].getDescription());
 			ol.setDescription(sb.toString());
diff --git a/org.adempiere.base.process/src/org/compiere/process/RequestEMailProcessor.java b/org.adempiere.base.process/src/org/compiere/process/RequestEMailProcessor.java
index 7a8afb9cc9..854ff8a052 100644
--- a/org.adempiere.base.process/src/org/compiere/process/RequestEMailProcessor.java
+++ b/org.adempiere.base.process/src/org/compiere/process/RequestEMailProcessor.java
@@ -746,7 +746,7 @@ public class RequestEMailProcessor extends SvrProcess
 		String deliveryMessage = null;
 		if (content instanceof InputStream)
 		{
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			InputStream is = (InputStream)content;
 			int c;
 			while ((c = is.read()) != -1)
diff --git a/org.adempiere.base/src/org/adempiere/model/PromotionRule.java b/org.adempiere.base/src/org/adempiere/model/PromotionRule.java
index f8bb5085a1..bbb505b252 100644
--- a/org.adempiere.base/src/org/adempiere/model/PromotionRule.java
+++ b/org.adempiere.base/src/org/adempiere/model/PromotionRule.java
@@ -337,7 +337,7 @@ public class PromotionRule {
 		//optional promotion code filter
 		String promotionCode = (String)order.get_Value("PromotionCode");
 
-		StringBuffer sql = new StringBuffer();
+		StringBuilder sql = new StringBuilder();
 		sql.append(select)
 			.append(" WHERE")
 			.append(" (" + bpFilter + ")")
diff --git a/org.adempiere.base/src/org/compiere/model/MDistribution.java b/org.adempiere.base/src/org/compiere/model/MDistribution.java
index a63fd5c622..f479394dd2 100644
--- a/org.adempiere.base/src/org/compiere/model/MDistribution.java
+++ b/org.adempiere.base/src/org/compiere/model/MDistribution.java
@@ -270,12 +270,12 @@ public class MDistribution extends X_GL_Distribution
 	 */
 	public String validate()
 	{
-		StringBuilder retValue = null;
+		String retValue = null;
 		getLines(true);
 		if (m_lines.length == 0)
-			retValue = new StringBuilder("@NoLines@");
+			retValue = "@NoLines@";
 		else if (getPercentTotal().compareTo(Env.ONEHUNDRED) != 0)
-			retValue = new StringBuilder("@PercentTotal@ <> 100");
+			retValue = "@PercentTotal@ <> 100";
 		else
 		{
 			//	More then one line with 0
@@ -286,8 +286,8 @@ public class MDistribution extends X_GL_Distribution
 				{
 					if (lineFound >= 0 && m_lines[i].getPercent().compareTo(Env.ZERO) == 0)
 					{
-						retValue = new StringBuilder("@Line@ ").append(lineFound) 
-							.append(" + ").append(m_lines[i].getLine()).append(": == 0");
+						retValue = "@Line@ " + lineFound
+							+ " + " + m_lines[i].getLine() + ": == 0";
 						break;
 					}
 					lineFound = m_lines[i].getLine();
@@ -296,7 +296,7 @@ public class MDistribution extends X_GL_Distribution
 		}
 		
 		setIsValid (retValue == null);
-		return retValue.toString();
+		return retValue;
 	}	//	validate