diff --git a/src/main/java/com/rometools/modules/base/GoogleBaseImpl.java b/src/main/java/com/rometools/modules/base/GoogleBaseImpl.java
index 408a630..5c5004f 100644
--- a/src/main/java/com/rometools/modules/base/GoogleBaseImpl.java
+++ b/src/main/java/com/rometools/modules/base/GoogleBaseImpl.java
@@ -42,6 +42,9 @@ import java.lang.reflect.Array;
 import java.net.URL;
 import java.util.Date;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import com.rometools.modules.base.types.CloneableType;
 import com.rometools.modules.base.types.CurrencyEnumeration;
 import com.rometools.modules.base.types.DateTimeRange;
@@ -68,6 +71,8 @@ public class GoogleBaseImpl implements GoogleBase {
      *
      */
     private static final long serialVersionUID = 1L;
+    
+    private static final Logger		LOG	= LoggerFactory.getLogger(GoogleBaseImpl.class);
 
     /** boolean:listing_type */
     private Boolean listingType;
@@ -1297,7 +1302,7 @@ public class GoogleBaseImpl implements GoogleBase {
 
             return gbi;
         } catch (final Exception e) {
-            e.printStackTrace();
+            LOG.error("Error",e);
             throw new CloneNotSupportedException();
         }
     }
diff --git a/src/main/java/com/rometools/modules/base/io/GoogleBaseGenerator.java b/src/main/java/com/rometools/modules/base/io/GoogleBaseGenerator.java
index 57618d8..4795295 100644
--- a/src/main/java/com/rometools/modules/base/io/GoogleBaseGenerator.java
+++ b/src/main/java/com/rometools/modules/base/io/GoogleBaseGenerator.java
@@ -48,6 +48,8 @@ import java.util.Set;
 
 import org.jdom2.Element;
 import org.jdom2.Namespace;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.rometools.modules.base.GoogleBase;
 import com.rometools.modules.base.GoogleBaseImpl;
@@ -72,6 +74,8 @@ import com.rometools.rome.io.ModuleGenerator;
  */
 public class GoogleBaseGenerator implements ModuleGenerator {
     private static final Namespace NS = Namespace.getNamespace("g-core", GoogleBase.URI);
+    
+    private static final Logger		LOG	= LoggerFactory.getLogger(GoogleBaseGenerator.class);
 
     /** Creates a new instance of GoogleBaseGenerator */
     public GoogleBaseGenerator() {
@@ -118,7 +122,7 @@ public class GoogleBaseGenerator implements ModuleGenerator {
                     }
                 }
             } catch (final Exception e) {
-                e.printStackTrace();
+               LOG.error("Error",e);
             }
         }
     }
diff --git a/src/main/java/com/rometools/modules/base/io/GoogleBaseParser.java b/src/main/java/com/rometools/modules/base/io/GoogleBaseParser.java
index 48b30c9..6bffa22 100644
--- a/src/main/java/com/rometools/modules/base/io/GoogleBaseParser.java
+++ b/src/main/java/com/rometools/modules/base/io/GoogleBaseParser.java
@@ -96,10 +96,8 @@ public class GoogleBaseParser implements ModuleParser {
             pds = Introspector.getBeanInfo(GoogleBaseImpl.class).getPropertyDescriptors();
             PROPS2TAGS.load(GoogleBaseParser.class.getResourceAsStream("/com/rometools/modules/base/io/tags.properties"));
         } catch (final IOException e) {
-            e.printStackTrace();
             LOG.error("Unable to read properties file for Google Base tags!", e);
         } catch (final IntrospectionException e) {
-            e.printStackTrace();
             LOG.error("Unable to get property descriptors for GoogleBaseImpl!", e);
         }
     }
@@ -144,7 +142,6 @@ public class GoogleBaseParser implements ModuleParser {
                         handleTag(child, pd, module);
                     } catch (final Exception e) {
                         LOG.warn("Unable to handle tag: " + child.getName(), e);
-                        e.printStackTrace();
                     }
                 }
             }
diff --git a/src/main/java/com/rometools/modules/cc/types/License.java b/src/main/java/com/rometools/modules/cc/types/License.java
index 29ac313..216a5ce 100644
--- a/src/main/java/com/rometools/modules/cc/types/License.java
+++ b/src/main/java/com/rometools/modules/cc/types/License.java
@@ -45,6 +45,10 @@ import java.util.Map;
 import java.util.StringTokenizer;
 import java.util.concurrent.ConcurrentHashMap;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.rometools.modules.base.GoogleBaseImpl;
 import com.rometools.rome.feed.impl.EqualsBean;
 import com.rometools.rome.feed.impl.ToStringBean;
 
@@ -56,6 +60,7 @@ public class License {
 
     private static final String CC_START = "http://creativecommons.org/licenses/";
     private static final Map<String, License> lookupLicense = new ConcurrentHashMap<String, License>();
+    private static final Logger		LOG	= LoggerFactory.getLogger(License.class);
     public static final License NO_DERIVS = new License("http://creativecommons.org/licenses/nd/1.0/", new Behaviour[0], new Behaviour[] {
             Behaviour.DISTRIBUTION, Behaviour.REPRODUCTION });
     public static final License NO_DERIVS_NONCOMMERCIAL = new License("http://creativecommons.org/licenses/nd-nc/1.0/",
@@ -120,7 +125,7 @@ public class License {
                         }
                     }
                 } catch (final Exception e) {
-                    e.printStackTrace();
+                	 LOG.error("Error",e);
                 }
             }
         }
diff --git a/src/main/java/com/rometools/modules/georss/GeoRSSModule.java b/src/main/java/com/rometools/modules/georss/GeoRSSModule.java
index 0dcb1ae..20a0fbd 100644
--- a/src/main/java/com/rometools/modules/georss/GeoRSSModule.java
+++ b/src/main/java/com/rometools/modules/georss/GeoRSSModule.java
@@ -17,7 +17,10 @@
 package com.rometools.modules.georss;
 
 import org.jdom2.Namespace;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import com.rometools.modules.base.GoogleBaseImpl;
 import com.rometools.modules.georss.geometries.AbstractGeometry;
 import com.rometools.modules.georss.geometries.Point;
 import com.rometools.modules.georss.geometries.Position;
@@ -34,6 +37,8 @@ import com.rometools.rome.feed.module.ModuleImpl;
 public abstract class GeoRSSModule extends ModuleImpl implements Cloneable {
 
     private static final long serialVersionUID = 1L;
+    
+    private static final Logger		LOG	= LoggerFactory.getLogger(GeoRSSModule.class);
 
     protected AbstractGeometry geometry;
 
@@ -127,7 +132,7 @@ public abstract class GeoRSSModule extends ModuleImpl implements Cloneable {
         try {
             geometry = (AbstractGeometry) geometry.clone();
         } catch (final CloneNotSupportedException ex) {
-            ex.printStackTrace();
+        	LOG.error("Error",ex);
         }
     }
 
@@ -140,7 +145,7 @@ public abstract class GeoRSSModule extends ModuleImpl implements Cloneable {
             }
             return retval;
         } catch (final Exception ex) {
-            ex.printStackTrace();
+        	LOG.error("Error",ex);
         }
         throw new CloneNotSupportedException();
     }
diff --git a/src/main/java/com/rometools/modules/opensearch/impl/OpenSearchModuleImpl.java b/src/main/java/com/rometools/modules/opensearch/impl/OpenSearchModuleImpl.java
index 6a21dc6..bba501c 100644
--- a/src/main/java/com/rometools/modules/opensearch/impl/OpenSearchModuleImpl.java
+++ b/src/main/java/com/rometools/modules/opensearch/impl/OpenSearchModuleImpl.java
@@ -18,6 +18,10 @@ import java.io.Serializable;
 import java.util.LinkedList;
 import java.util.List;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.rometools.modules.base.GoogleBaseImpl;
 import com.rometools.modules.opensearch.OpenSearchModule;
 import com.rometools.modules.opensearch.entity.OSQuery;
 import com.rometools.rome.feed.CopyFrom;
@@ -29,6 +33,7 @@ import com.rometools.rome.feed.module.ModuleImpl;
  */
 public class OpenSearchModuleImpl extends ModuleImpl implements OpenSearchModule, Serializable {
     private static final long serialVersionUID = 1L;
+    private static final Logger		LOG	= LoggerFactory.getLogger(OpenSearchModuleImpl.class);
     private int totalResults = -1;
     private int startIndex = 1;
     private int itemsPerPage = -1;
@@ -142,7 +147,7 @@ public class OpenSearchModuleImpl extends ModuleImpl implements OpenSearchModule
             try {
                 getQueries().add((OSQuery) q.clone());
             } catch (final CloneNotSupportedException e) {
-                e.printStackTrace();
+            	 LOG.error("Error",e);
             }
         }
     }
diff --git a/src/main/java/com/rometools/modules/sse/modules/Conflict.java b/src/main/java/com/rometools/modules/sse/modules/Conflict.java
index 1c7048a..9a2e806 100644
--- a/src/main/java/com/rometools/modules/sse/modules/Conflict.java
+++ b/src/main/java/com/rometools/modules/sse/modules/Conflict.java
@@ -17,6 +17,10 @@ package com.rometools.modules.sse.modules;
 
 import java.util.Date;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.rometools.modules.base.GoogleBaseImpl;
 import com.rometools.rome.feed.CopyFrom;
 import com.rometools.rome.feed.rss.Item;
 
@@ -25,6 +29,8 @@ import com.rometools.rome.feed.rss.Item;
  */
 public class Conflict extends SSEModule {
     private static final long serialVersionUID = 1L;
+    
+    private static final Logger		LOG	= LoggerFactory.getLogger(Conflict.class);
 
     public static final String CONFLICTS_NAME = "conflicts";
 
@@ -69,7 +75,7 @@ public class Conflict extends SSEModule {
             conflict.conflictItem = (Item) conflictItem.clone();
         } catch (final CloneNotSupportedException e) {
             // should not happen
-            e.printStackTrace();
+        	LOG.error("Error",e);
         }
     }
 
diff --git a/src/main/java/com/rometools/modules/sse/modules/SSEModule.java b/src/main/java/com/rometools/modules/sse/modules/SSEModule.java
index b7e1df4..75de724 100644
--- a/src/main/java/com/rometools/modules/sse/modules/SSEModule.java
+++ b/src/main/java/com/rometools/modules/sse/modules/SSEModule.java
@@ -19,6 +19,8 @@ import java.util.HashSet;
 import java.util.Set;
 
 import org.jdom2.Namespace;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.rometools.rome.feed.CopyFrom;
 import com.rometools.rome.feed.module.Module;
@@ -29,6 +31,8 @@ import com.rometools.rome.feed.module.Module;
  */
 public abstract class SSEModule implements Module {
     private static final long serialVersionUID = 1L;
+    
+    private static final Logger		LOG	= LoggerFactory.getLogger(SSEModule.class);
 
     public static final String SSE_SCHEMA_URI = "http://www.microsoft.com/schemas/rss/sse";
 
@@ -61,11 +65,9 @@ public abstract class SSEModule implements Module {
             clone = this.getClass().newInstance();
             clone.copyFrom(this);
         } catch (final InstantiationException e) {
-            // TODO: use logging
-            e.printStackTrace();
+        	LOG.error("Error",e);
         } catch (final IllegalAccessException e) {
-            // TODO: use logging
-            e.printStackTrace();
+        	LOG.error("Error",e);
         }
         return clone;
     }