[POLICY-30] remove problematic layers

add configurability through telemetry API

Change-Id: I77ebde12a417d421b98646c32dc74824f4494c2e
Signed-off-by: Jorge Hernandez <jh1730@att.com>

18 files changed, 278 insertions, 250 deletions

diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/Topic.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/Topic.java
index d38bab5a..54f49fdc 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/Topic.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/Topic.java
@@ -27,7 +27,7 @@ import java.util.List;
  */
 public interface Topic {
 	
-	public static final String NETWORK_LOGGER = "networkLogger";
+	public static final String NETWORK_LOGGER = "network";
 	
 	/**
 	 * Underlying Communication infrastructure Types
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/TopicEndpoint.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/TopicEndpoint.java
index b3f236f7..fa73ecb7 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/TopicEndpoint.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/TopicEndpoint.java
@@ -28,9 +28,8 @@ import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSink;
 import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSource;
 import org.openecomp.policy.drools.event.comm.bus.UebTopicSink;
 import org.openecomp.policy.drools.event.comm.bus.UebTopicSource;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.properties.Lockable;
 import org.openecomp.policy.drools.properties.Startable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
@@ -239,8 +238,10 @@ public interface TopicEndpoint extends Startable, Lockable {
  * implementations according to the communication infrastructure that are supported
  */
 class ProxyTopicEndpointManager implements TopicEndpoint {
-	// get an instance of logger 
-	private static Logger  logger = FlexLogger.getLogger(ProxyTopicEndpointManager.class);
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(ProxyTopicEndpointManager.class);
 	/**
 	 * Is this element locked?
 	 */
@@ -386,7 +387,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				success = endpoint.start() && success;
 			} catch (Exception e) {
 				success = false;
-				logger.error(MessageCodes.EXCEPTION_ERROR, e, endpoint.toString(), this.toString());
+				logger.error("Problem starting endpoint: {}", endpoint, e);
 			}
 		}
 		
@@ -417,7 +418,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				success = endpoint.stop() && success;
 			} catch (Exception e) {
 				success = false;
-				logger.error(MessageCodes.EXCEPTION_ERROR, e, endpoint.toString(), this.toString());
+				logger.error("Problem stopping endpoint: {}", endpoint, e);
 			}
 		}
 		
@@ -532,7 +533,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				if (uebSource != null)
 					sources.add(uebSource);
 			} catch (Exception e) {
-				logger.info("No UEB source for topic: " + topic);
+				logger.info("No UEB source for topic: {}", topic);
 			}
 			
 			try {
@@ -540,7 +541,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				if (dmaapSource != null)
 					sources.add(dmaapSource);
 			} catch (Exception e) {
-				logger.info("No DMAAP source for topic: " + topic);
+				logger.info("No DMAAP source for topic: {}", topic);
 			}
 		}
 		return sources;
@@ -564,7 +565,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				if (uebSink != null)
 					sinks.add(uebSink);
 			} catch (Exception e) {
-				logger.info("No UEB sink for topic: " + topic);
+				logger.info("No UEB sink for topic: {}", topic);
 			}
 			
 			try {
@@ -572,7 +573,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 				if (dmaapSink != null)
 					sinks.add(dmaapSink);
 			} catch (Exception e) {
-				logger.info("No DMAAP sink for topic: " + topic);
+				logger.info("No DMAAP sink for topic: {}", topic);
 			}
 		}
 		return sinks;
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
index 4c96f9be..8b8ca530 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
@@ -27,8 +27,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.event.comm.bus.internal.InlineDmaapTopicSink;
 import org.openecomp.policy.drools.properties.PolicyProperties;
 
@@ -171,8 +171,10 @@ public interface DmaapTopicSinkFactory {
  * Factory of DMAAP Reader Topics indexed by topic name
  */
 class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
-	// get an instance of logger 
-	private static Logger  logger = FlexLogger.getLogger(IndexedDmaapTopicSinkFactory.class);	
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(IndexedDmaapTopicSinkFactory.class);	
 	
 	/**
 	 * DMAAP Topic Name Index
@@ -279,7 +281,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		
 		String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS);
 		if (writeTopics == null || writeTopics.isEmpty()) {
-			logger.warn("No topic for DMAAP Sink " + properties);
+			logger.info("{}: no topic for DMaaP Sink", this);
 			return new ArrayList<DmaapTopicSink>();
 		}
 		
@@ -377,7 +379,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 					dme2AdditionalProps.put(DME2_SESSION_STICKINESS_REQUIRED_PROPERTY, dme2SessionStickinessRequired);
 
 				if (servers == null || servers.isEmpty()) {
-					logger.error("No DMaaP servers or DME2 ServiceName provided");
+					logger.error("{}: no DMaaP servers or DME2 ServiceName provided", this);
 					continue;
 				}
 				
@@ -486,5 +488,12 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 				 new ArrayList<DmaapTopicSink>(this.dmaapTopicWriters.values());
 		 return writers;
 	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("IndexedDmaapTopicSinkFactory []");
+		return builder.toString();
+	}
 	
 }
\ No newline at end of file
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java
index a54cb6f4..89793d28 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java
@@ -28,8 +28,8 @@ import java.util.Map;
 import java.util.Properties;
 
 import org.openecomp.policy.drools.event.comm.bus.internal.SingleThreadedDmaapTopicSource;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.properties.PolicyProperties;
 
 /**
@@ -208,10 +208,13 @@ public interface DmaapTopicSourceFactory {
  */
 
 class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
-	// get an instance of logger 
-	private static Logger  logger = FlexLogger.getLogger(IndexedDmaapTopicSourceFactory.class);		
 	/**
-	 * UEB Topic Name Index
+	 * Logger 
+	 */
+	private static Logger logger = LoggerFactory.getLogger(IndexedDmaapTopicSourceFactory.class);	
+	
+	/**
+	 * DMaaP Topic Name Index
 	 */
 	protected HashMap<String, DmaapTopicSource> dmaapTopicSources =
 			new HashMap<String, DmaapTopicSource>();
@@ -318,7 +321,7 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
 		
 		String readTopics = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS);
 		if (readTopics == null || readTopics.isEmpty()) {
-			logger.warn("No topic for UEB Source " + properties);
+			logger.info("{}: no topic for DMaaP Source", this);
 			return new ArrayList<DmaapTopicSource>();
 		}
 		List<String> readTopicList = new ArrayList<String>(Arrays.asList(readTopics.split("\\s*,\\s*")));		
@@ -426,7 +429,7 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
 				
 				if (servers == null || servers.isEmpty()) {
 
-					logger.error("No DMaaP servers or DME2 ServiceName provided");
+					logger.error("{}: no DMaaP servers or DME2 ServiceName provided", this);
 					continue;
 				}
 				
@@ -435,7 +438,8 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
 					try {
 						fetchTimeout = Integer.parseInt(fetchTimeoutString);
 					} catch (NumberFormatException nfe) {
-						logger.warn("Fetch Timeout in invalid format for topic " + topic + ": " + fetchTimeoutString);
+						logger.warn("{}: fetch timeout {} is in invalid format for topic {} ", 
+								    this, fetchTimeoutString, topic);
 					}
 				}
 					
@@ -447,7 +451,8 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
 					try {
 						fetchLimit = Integer.parseInt(fetchLimitString);
 					} catch (NumberFormatException nfe) {
-						logger.warn("Fetch Limit in invalid format for topic " + topic + ": " + fetchLimitString);
+						logger.warn("{}: fetch limit {} is in invalid format for topic {} ", 
+							        this, fetchLimitString, topic);
 					}
 				}
 				
@@ -582,6 +587,12 @@ class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
 			this.dmaapTopicSources.clear();
 		}
 	}
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("IndexedDmaapTopicSourceFactory []");
+		return builder.toString();
+	}
 	
 }
 
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSinkFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSinkFactory.java
index 4dc38f18..0469c4a3 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSinkFactory.java
@@ -27,8 +27,8 @@ import java.util.List;
 import java.util.Properties;
 
 import org.openecomp.policy.drools.event.comm.bus.internal.InlineUebTopicSink;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.properties.PolicyProperties;
 
 /**
@@ -120,8 +120,11 @@ public interface UebTopicSinkFactory {
  * Factory of UEB Reader Topics indexed by topic name
  */
 class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
-	// get an instance of logger 
-	private static Logger  logger = FlexLogger.getLogger(IndexedUebTopicSinkFactory.class);		
+	/**
+	 * Logger 
+	 */
+	private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSinkFactory.class);	
+	
 	/**
 	 * UEB Topic Name Index
 	 */
@@ -184,7 +187,7 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 		
 		String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS);
 		if (writeTopics == null || writeTopics.isEmpty()) {
-			logger.warn("No topic for UEB Sink " + properties);
+			logger.info("{}: no topic for UEB Sink", this);
 			return new ArrayList<UebTopicSink>();
 		}
 		
@@ -201,7 +204,7 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 				                                        topic + 
 				                                        PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
 				if (servers == null || servers.isEmpty()) {
-					logger.error("No UEB servers provided in " + properties);
+					logger.error("{}: no UEB servers configured for sink {}", this, topic);
 					continue;
 				}
 				
@@ -319,5 +322,13 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 				 new ArrayList<UebTopicSink>(this.uebTopicSinks.values());
 		 return writers;
 	}
+
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("IndexedUebTopicSinkFactory []");
+		return builder.toString();
+	}
 	
 }
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSourceFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSourceFactory.java
index 474d4a80..77b894db 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSourceFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/UebTopicSourceFactory.java
@@ -27,8 +27,8 @@ import java.util.List;
 import java.util.Properties;
 
 import org.openecomp.policy.drools.event.comm.bus.internal.SingleThreadedUebTopicSource;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.properties.PolicyProperties;
 
 /**
@@ -144,8 +144,11 @@ public interface UebTopicSourceFactory {
  * Factory of UEB Source Topics indexed by topic name
  */
 class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
-	// get an instance of logger 
-	private static Logger  logger = FlexLogger.getLogger(IndexedUebTopicSourceFactory.class);	
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSourceFactory.class);	
+	
 	/**
 	 * UEB Topic Name Index
 	 */
@@ -203,7 +206,7 @@ class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
 		
 		String readTopics = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS);
 		if (readTopics == null || readTopics.isEmpty()) {
-			logger.warn("No topic for UEB Source " + properties);
+			logger.info("{}: no topic for UEB Source", this);
 			return new ArrayList<UebTopicSource>();
 		}
 		List<String> readTopicList = new ArrayList<String>(Arrays.asList(readTopics.split("\\s*,\\s*")));		
@@ -221,7 +224,7 @@ class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
                                                         PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
 				
 				if (servers == null || servers.isEmpty()) {
-					logger.error("No UEB servers provided in " + properties);
+					logger.error("{}: no UEB servers configured for sink {}", this, topic);
 					continue;
 				}
 				
@@ -251,7 +254,8 @@ class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
 					try {
 						fetchTimeout = Integer.parseInt(fetchTimeoutString);
 					} catch (NumberFormatException nfe) {
-						logger.warn("Fetch Timeout in invalid format for topic " + topic + ": " + fetchTimeoutString);
+						logger.warn("{}: fetch timeout {} is in invalid format for topic {} ", 
+							        this, fetchTimeoutString, topic);
 					}
 				}
 					
@@ -263,7 +267,8 @@ class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
 					try {
 						fetchLimit = Integer.parseInt(fetchLimitString);
 					} catch (NumberFormatException nfe) {
-						logger.warn("Fetch Limit in invalid format for topic " + topic + ": " + fetchLimitString);
+						logger.warn("{}: fetch limit {} is in invalid format for topic {} ", 
+						            this, fetchLimitString, topic);
 					}
 				}
 				
@@ -388,5 +393,12 @@ class IndexedUebTopicSourceFactory implements UebTopicSourceFactory {
 			this.uebTopicSources.clear();
 		}
 	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("IndexedUebTopicSourceFactory []");
+		return builder.toString();
+	}
 	
 }
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusConsumer.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusConsumer.java
index 6ea21575..d8eb80b8 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusConsumer.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusConsumer.java
@@ -27,9 +27,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import org.openecomp.policy.common.logging.eelf.PolicyLogger;
 import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSinkFactory;
 import org.openecomp.policy.drools.properties.PolicyProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.att.nsa.cambria.client.CambriaClientBuilders;
 import com.att.nsa.cambria.client.CambriaConsumer;
@@ -62,6 +63,7 @@ public interface BusConsumer {
 	 * Cambria based consumer
 	 */
 	public static class CambriaConsumerWrapper implements BusConsumer {
+		
 		/**
 		 * Cambria client
 		 */
@@ -154,7 +156,9 @@ public interface BusConsumer {
 	/**
 	 * MR based consumer
 	 */
-	public abstract class DmaapConsumerWrapper implements BusConsumer {
+	public abstract class DmaapConsumerWrapper implements BusConsumer {	
+		
+		private static Logger logger = LoggerFactory.getLogger(DmaapConsumerWrapper.class);
 		
 		protected int fetchTimeout;
 		protected Object closeCondition = new Object();
@@ -206,19 +210,30 @@ public interface BusConsumer {
 		 */
 		public Iterable<String> fetch() throws Exception {
 			MRConsumerResponse response = this.consumer.fetchWithReturnConsumerResponse();
-
-			if (PolicyLogger.isDebugEnabled() && response != null)
-				PolicyLogger.debug(DmaapConsumerWrapper.class.getName(), "DMaaP consumer received " + response.getResponseCode() + ": " + response.getResponseMessage());
-
-			if (response.getResponseCode() == null || !response.getResponseCode().equals("200")) {
-				if (response.getResponseCode() == null)
-					PolicyLogger.error(DmaapConsumerWrapper.class.getName(), "DMaaP consumer received response code null"); 
-				else
-					PolicyLogger.error(DmaapConsumerWrapper.class.getName(), "DMaaP consumer received " + response.getResponseCode() + ": " + response.getResponseMessage());
+			if (response == null) {
+				logger.warn("{}: DMaaP NULL response received", this);
 				
 				synchronized (closeCondition) {
 					closeCondition.wait(fetchTimeout);
 				}
+				return new ArrayList<String>();
+			} else {
+				logger.debug("DMaaP consumer received {} : {}" + 
+		                      response.getResponseCode(), 
+					          response.getResponseMessage());
+				
+				if (response.getResponseCode() == null || 
+					!response.getResponseCode().equals("200")) {
+					
+					logger.error("DMaaP consumer received: {} : {}", 
+							     response.getResponseCode(), 
+							     response.getResponseMessage());
+					
+					synchronized (closeCondition) {
+						closeCondition.wait(fetchTimeout);
+					}
+					/* fall through */
+				}
 			}
 			
 			if (response.getActualMessages() == null)
@@ -257,6 +272,9 @@ public interface BusConsumer {
 	 * MR based consumer
 	 */
 	public static class DmaapAafConsumerWrapper extends DmaapConsumerWrapper {
+		
+		private static Logger logger = LoggerFactory.getLogger(DmaapAafConsumerWrapper.class);
+		
 		private Properties props;
 		
 		/**
@@ -306,7 +324,7 @@ public interface BusConsumer {
 			}
 
 			this.consumer.setProps(props);
-			PolicyLogger.info(DmaapConsumerWrapper.class.getName(), "CREATION: " + this);
+			logger.info("{}: CREATION", this);
 		}
 		
 		@Override
@@ -327,6 +345,9 @@ public interface BusConsumer {
 	}
 	
 	public static class DmaapDmeConsumerWrapper extends DmaapConsumerWrapper {
+		
+		private static Logger logger = LoggerFactory.getLogger(DmaapDmeConsumerWrapper.class);
+		
 		private Properties props;
 		
 		public DmaapDmeConsumerWrapper(List<String> servers, String topic, 
@@ -425,7 +446,7 @@ public interface BusConsumer {
 			MRClientFactory.prop = props;
 			this.consumer.setProps(props);
 			
-			PolicyLogger.info(DmaapConsumerWrapper.class.getName(), "CREATION: " + this);
+			logger.info("{}: CREATION", this);
 		}
 	}
 }
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusPublisher.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusPublisher.java
index b5595b2d..54e0bcb2 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusPublisher.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/BusPublisher.java
@@ -28,9 +28,9 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.TimeUnit;
 
-import org.openecomp.policy.common.logging.eelf.PolicyLogger;
 import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSinkFactory;
 import org.openecomp.policy.drools.properties.PolicyProperties;
+import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.att.nsa.cambria.client.CambriaBatchingPublisher;
@@ -62,6 +62,8 @@ public interface BusPublisher {
 	 * Cambria based library publisher
 	 */
 	public static class CambriaPublisherWrapper implements BusPublisher {
+		
+		private static Logger logger = LoggerFactory.getLogger(CambriaPublisherWrapper.class);
 
 		/**
 		 * The actual Cambria publisher
@@ -111,10 +113,8 @@ public interface BusPublisher {
 			try {
 				this.publisher.send(partitionId, message);
 			} catch (Exception e) {
-				PolicyLogger.warn(CambriaPublisherWrapper.class.getName(), 
-		                          "SEND of " + message + " IN " +
-		                          this + " cannot be performed because of " + 
-						          e.getMessage());
+				logger.warn("{}: SEND of {} cannot be performed because of {}",
+						    this, message, e.getMessage(), e);
 				return false;
 			}
 			return true;			
@@ -125,16 +125,13 @@ public interface BusPublisher {
 		 */
 		@Override
 		public void close() {
-			if (PolicyLogger.isInfoEnabled())
-				PolicyLogger.info(CambriaPublisherWrapper.class.getName(), 
-				                  "CREATION: " + this);
+			logger.info("{}: CLOSE", this);
 			
 			try {
 				this.publisher.close();
 			} catch (Exception e) {
-				PolicyLogger.warn(CambriaPublisherWrapper.class.getName(), 
-				                  "CLOSE on " + this + " FAILED because of " + 
-								  e.getMessage());
+				logger.warn("{}: CLOSE FAILED because of {}", 
+						    this, e.getMessage(),e);
 			}
 		}
 		
@@ -155,6 +152,9 @@ public interface BusPublisher {
 	 * DmaapClient library wrapper
 	 */
 	public abstract class DmaapPublisherWrapper implements BusPublisher {
+		
+		private static Logger logger = LoggerFactory.getLogger(DmaapPublisherWrapper.class);
+		
 		/**
 		 * MR based Publisher
 		 */		
@@ -175,9 +175,9 @@ public interface BusPublisher {
 				                     String password, boolean useHttps) throws IllegalArgumentException {
 
 			
-			if (topic == null || topic.isEmpty()) {
+			if (topic == null || topic.isEmpty())
 				throw new IllegalArgumentException("No topic for DMaaP");
-			}
+
 			
 			if (protocol == ProtocolTypeConstants.AAF_AUTH) {
 				if (servers == null || servers.isEmpty())
@@ -215,7 +215,6 @@ public interface BusPublisher {
 												build();
 				
 				this.publisher.setProtocolFlag(ProtocolTypeConstants.DME2.getValue());
-				
 			}
 			
 			this.publisher.logTo(LoggerFactory.getLogger(MRSimplerBatchPublisher.class.getName()));
@@ -225,14 +224,10 @@ public interface BusPublisher {
 			
 			props = new Properties();
 						
-			if(useHttps){
-				
+			if (useHttps) {				
 				props.setProperty("Protocol", "https");
-			}
-			else{
-				
+			} else {			
 				props.setProperty("Protocol", "http");
-				
 			}
 
 			props.setProperty("contenttype", "application/json");
@@ -246,13 +241,7 @@ public interface BusPublisher {
 			if (protocol == ProtocolTypeConstants.AAF_AUTH)
 				this.publisher.setHost(servers.get(0));
 			
-			if (PolicyLogger.isInfoEnabled()) {
-				PolicyLogger.info(DmaapPublisherWrapper.class.getName(), 
-						          "CREATION: " + this);
-				PolicyLogger.info(DmaapPublisherWrapper.class.getName(), 
-						"BusPublisher.DmaapPublisherWrapper using Protocol: " + protocol.getValue());
-			}
-			
+			logger.info("{}: CREATION: using protocol {}", this, protocol.getValue());
 		}
 
 		/**
@@ -260,16 +249,13 @@ public interface BusPublisher {
 		 */
 		@Override
 		public void close() {
-			if (PolicyLogger.isInfoEnabled())
-				PolicyLogger.info(DmaapPublisherWrapper.class.getName(), 
-				                  "CREATION: " + this);
+			logger.info("{}: CLOSE", this);
 			
 			try {
 				this.publisher.close(1, TimeUnit.SECONDS);
 			} catch (Exception e) {
-				PolicyLogger.warn(DmaapPublisherWrapper.class.getName(), 
-				                  "CLOSE: " + this + " because of " + 
-								  e.getMessage());
+				logger.warn("{}: CLOSE FAILED because of {}",
+						    this, e.getMessage(), e);
 			}
 		}
 		
@@ -285,15 +271,13 @@ public interface BusPublisher {
 			this.publisher.setPubResponse(new MRPublisherResponse());
 			this.publisher.send(partitionId, message);
 			MRPublisherResponse response = this.publisher.sendBatchWithResponse();
-			if (PolicyLogger.isDebugEnabled() && response != null) {
-				PolicyLogger.debug(DmaapPublisherWrapper.class.getName(),
-						"DMaaP publisher received " + response.getResponseCode() + ": "
-						+ response.getResponseMessage());
-				
+			if (response != null) {
+				logger.debug("DMaaP publisher received {} : {}",
+						     response.getResponseCode(), 
+						     response.getResponseMessage());
 			}
 
 			return true;
-			
 		}
 		
 		@Override
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineBusTopicSink.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineBusTopicSink.java
index a78de716..64037749 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineBusTopicSink.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineBusTopicSink.java
@@ -23,11 +23,9 @@ package org.openecomp.policy.drools.event.comm.bus.internal;
 import java.util.List;
 import java.util.UUID;
 
-import org.apache.log4j.Logger;
-
 import org.openecomp.policy.drools.event.comm.bus.BusTopicSink;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 
 /**
  * Transport Agnostic Bus Topic Sink to carry out the core functionality
@@ -37,16 +35,10 @@ import org.openecomp.policy.common.logging.eelf.MessageCodes;
 public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopicSink {
 	
 	/**
-	 * logger 
+	 * loggers
 	 */
-	private static org.openecomp.policy.common.logging.flexlogger.Logger logger = 
-										FlexLogger.getLogger(InlineBusTopicSink.class);
-	
-	/**
-	 * Not to be converted to PolicyLogger.
-	 * This will contain all in/out traffic and only that in a single file in a concise format.
-	 */
-	protected static final Logger networkLogger = Logger.getLogger(NETWORK_LOGGER);
+	private static Logger logger = LoggerFactory.getLogger(InlineBusTopicSink.class);
+	private static final Logger netLogger = LoggerFactory.getLogger(NETWORK_LOGGER);
 	
 	/**
 	 * The partition key to publish to
@@ -109,8 +101,7 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 	@Override
 	public boolean start() throws IllegalStateException {
 		
-		if (logger.isInfoEnabled())
-			logger.info("START: " + this);
+		logger.info("{}: starting", this);
 		
 		synchronized(this) {
 			
@@ -144,11 +135,11 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 			try {
 				publisherCopy.close();
 			} catch (Exception e) {
-				logger.warn(MessageCodes.EXCEPTION_ERROR, e, "PUBLISHER.CLOSE", this.toString());
-				e.printStackTrace();
+				logger.warn("{}: cannot stop publisher because of {}", 
+						    this, e.getMessage(), e);
 			}
 		} else {
-			logger.warn("No publisher to close: " + this);
+			logger.warn("{}: there is no publisher", this);
 			return false;
 		}
 		
@@ -161,8 +152,7 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 	@Override
 	public boolean lock() {
 		
-		if (logger.isInfoEnabled())
-			logger.info("LOCK: " + this);	
+		logger.info("{}: locking", this);	
 		
 		synchronized (this) {
 			if (this.locked)
@@ -180,8 +170,7 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 	@Override
 	public boolean unlock() {
 		
-		if (logger.isInfoEnabled())
-			logger.info("UNLOCK: " + this);
+		logger.info("{}: unlocking", this);
 		
 		synchronized(this) {
 			if (!this.locked)
@@ -193,9 +182,8 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 		try {
 			return this.start();
 		} catch (Exception e) {
-			logger.warn("can't start after unlocking " + this + 
-					     " because of " + e.getMessage());
-			e.printStackTrace();
+			logger.warn("{}: cannot start after unlocking because of {}", 
+					    this, e.getMessage(), e);
 			return false;
 		}
 	}
@@ -235,17 +223,12 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
 				this.recentEvents.add(message);
 			}
 			
-			if (networkLogger.isInfoEnabled()) {
-				networkLogger.info("[OUT|" + this.getTopicCommInfrastructure() + "|" + 
-			                       this.topic + "]:" + 
-			                       message);
-			}
+			netLogger.info("[OUT|{}|{}]{}{}", this.getTopicCommInfrastructure(), 
+			               this.topic, System.lineSeparator(), message);
 			
 			publisher.send(this.partitionId, message);
 		} catch (Exception e) {
-			logger.error("can't start after unlocking " + this + 
-				         " because of " + e.getMessage());
-			e.printStackTrace();
+			logger.warn("{}: cannot send because of {}", this, e.getMessage(), e);
 			return false;
 		}
 		
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineDmaapTopicSink.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineDmaapTopicSink.java
index f5a3dc11..a78dd0fc 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineDmaapTopicSink.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineDmaapTopicSink.java
@@ -23,8 +23,8 @@ package org.openecomp.policy.drools.event.comm.bus.internal;
 import java.util.List;
 import java.util.Map;
 
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.event.comm.Topic;
 import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSink;
 
@@ -35,7 +35,7 @@ import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSink;
 public class InlineDmaapTopicSink extends InlineBusTopicSink implements DmaapTopicSink {
 	
 	protected static Logger logger = 
-			FlexLogger.getLogger(InlineDmaapTopicSink.class);
+			LoggerFactory.getLogger(InlineDmaapTopicSink.class);
 	
 	protected final String userName;
 	protected final String password;
@@ -128,8 +128,8 @@ public class InlineDmaapTopicSink extends InlineBusTopicSink implements DmaapTop
 						                               this.partner, this.latitude, this.longitude,
 						                               this.additionalProps, this.useHttps);
 		}
-		if (logger.isInfoEnabled())
-			logger.info("DMAAP SINK TOPIC created " + this);
+		
+		logger.info("{}: DMAAP SINK created", this);
 	}
 
 	/**
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineUebTopicSink.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineUebTopicSink.java
index c93e0f2b..3b091f5a 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineUebTopicSink.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/InlineUebTopicSink.java
@@ -24,7 +24,7 @@ import java.util.List;
 
 import org.openecomp.policy.drools.event.comm.Topic;
 import org.openecomp.policy.drools.event.comm.bus.UebTopicSink;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This implementation publishes events for the associated UEB topic,
@@ -35,8 +35,8 @@ public class InlineUebTopicSink extends InlineBusTopicSink implements UebTopicSi
 	/**
 	 * logger 
 	 */
-	private static org.openecomp.policy.common.logging.flexlogger.Logger logger = 
-										FlexLogger.getLogger(InlineUebTopicSink.class);
+	private static org.slf4j.Logger logger = 
+										LoggerFactory.getLogger(InlineUebTopicSink.class);
 	
 	/**
 	 * Argument-based UEB Topic Writer instantiation
@@ -74,8 +74,7 @@ public class InlineUebTopicSink extends InlineBusTopicSink implements UebTopicSi
 						                                 this.apiKey, 
 						                                 this.apiSecret,
 						                                 this.useHttps);
-		if (logger.isInfoEnabled())
-			logger.info("UEB SINK TOPIC created " + this);
+		logger.info("{}: UEB SINK created", this);
 	}
 	
 	@Override
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedBusTopicSource.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedBusTopicSource.java
index d3be9163..85da3f01 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedBusTopicSource.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedBusTopicSource.java
@@ -24,12 +24,11 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
-import org.apache.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import org.openecomp.policy.drools.event.comm.TopicListener;
 import org.openecomp.policy.drools.event.comm.bus.BusTopicSource;
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
-import org.openecomp.policy.common.logging.eelf.PolicyLogger;
 
 /**
  * This topic source implementation specializes in reading messages
@@ -39,12 +38,12 @@ public abstract class SingleThreadedBusTopicSource
        extends BusTopicBase
        implements Runnable, BusTopicSource {
 	   
-	private String className = SingleThreadedBusTopicSource.class.getName();
 	/**
 	 * Not to be converted to PolicyLogger.
 	 * This will contain all instract /out traffic and only that in a single file in a concise format.
 	 */
-	protected static final Logger networkLogger = Logger.getLogger(NETWORK_LOGGER);
+	private static Logger logger = LoggerFactory.getLogger(InlineBusTopicSink.class);
+	private static final Logger netLogger = LoggerFactory.getLogger(NETWORK_LOGGER);
 	
 	/**
 	 * Bus consumer group
@@ -165,7 +164,7 @@ public abstract class SingleThreadedBusTopicSource
 	public void register(TopicListener topicListener) 
 		throws IllegalArgumentException {		
 		
-		PolicyLogger.info(className,"REGISTER: " + topicListener + " INTO " + this);
+		logger.info("{}: registering {}", this, topicListener);
 		
 		synchronized(this) {
 			if (topicListener == null)
@@ -185,8 +184,8 @@ public abstract class SingleThreadedBusTopicSource
 		try {
 			this.start();
 		} catch (Exception e) {
-			PolicyLogger.info(className, "new registration of " + topicListener +  
-					          ",but can't start source because of " + e.getMessage());
+			logger.warn("{}: cannot start after registration of because of: {}",
+		                this, topicListener, e.getMessage(), e);
 		}
 	}
 
@@ -196,7 +195,7 @@ public abstract class SingleThreadedBusTopicSource
 	@Override
 	public void unregister(TopicListener topicListener) {
 		
-		PolicyLogger.info(className, "UNREGISTER: " + topicListener + " FROM " + this);
+		logger.info("{}: unregistering {}", this, topicListener);
 		
 		boolean stop = false;
 		synchronized (this) {
@@ -217,7 +216,8 @@ public abstract class SingleThreadedBusTopicSource
 	 */
 	@Override
 	public boolean lock() {	
-		PolicyLogger.info(className, "LOCK: " + this);
+
+		logger.info("{}: locking", this);
 		
 		synchronized (this) {
 			if (this.locked)
@@ -233,8 +233,8 @@ public abstract class SingleThreadedBusTopicSource
 	 * {@inheritDoc}
 	 */
 	@Override
-	public boolean unlock() {
-		PolicyLogger.info(className, "UNLOCK: " + this);
+	public boolean unlock() {		
+		logger.info("{}: unlocking", this);
 		
 		synchronized(this) {
 			if (!this.locked)
@@ -246,8 +246,7 @@ public abstract class SingleThreadedBusTopicSource
 		try {
 			return this.start();
 		} catch (Exception e) {
-			PolicyLogger.warn("can't start after unlocking " + this + 
-					          " because of " + e.getMessage());
+			logger.warn("{}: cannot after unlocking because of {}", this, e.getMessage(), e);
 			return false;
 		}
 	}
@@ -256,19 +255,16 @@ public abstract class SingleThreadedBusTopicSource
 	 * {@inheritDoc}
 	 */
 	@Override
-	public boolean start() throws IllegalStateException {
-		
-		PolicyLogger.info(className, "START: " + this);
+	public boolean start() throws IllegalStateException {		
+		logger.info("{}: starting", this);
 		
 		synchronized(this) {
 			
-			if (alive) {
+			if (alive)
 				return true;
-			}
 			
-			if (locked) {
+			if (locked)
 				throw new IllegalStateException(this + " is locked.");
-			}
 			
 			if (this.busPollerThread == null || 
 				!this.busPollerThread.isAlive() || 
@@ -281,7 +277,7 @@ public abstract class SingleThreadedBusTopicSource
 					this.busPollerThread.setName(this.getTopicCommInfrastructure() + "-source-" + this.getTopic());
 					busPollerThread.start();
 				} catch (Exception e) {
-					e.printStackTrace();
+					logger.warn("{}: cannot start because of {}", this, e.getMessage(), e);
 					throw new IllegalStateException(e);
 				}
 			}
@@ -295,7 +291,7 @@ public abstract class SingleThreadedBusTopicSource
 	 */
 	@Override
 	public boolean stop() {
-		PolicyLogger.info(className, "STOP: " + this);
+		logger.info("{}: stopping", this);
 		
 		synchronized(this) {
 			BusConsumer consumerCopy = this.consumer;
@@ -307,7 +303,7 @@ public abstract class SingleThreadedBusTopicSource
 				try {
 					consumerCopy.close();
 				} catch (Exception e) {
-					PolicyLogger.warn(MessageCodes.EXCEPTION_ERROR, e, "CONSUMER.CLOSE", this.toString());
+					logger.warn("{}: stop failed because of {}", this, e.getMessage(), e);
 				}
 			}
 		}
@@ -341,8 +337,8 @@ public abstract class SingleThreadedBusTopicSource
 			try {
 				topicListener.onTopicEvent(this.getTopicCommInfrastructure(), this.topic, message);
 			} catch (Exception e) {
-				PolicyLogger.warn(this.className, "ERROR notifying " + topicListener.toString() + 
-						          " because of " + e.getMessage() + " @ " + this.toString());
+				logger.warn("{}: notification error @ {} because of {}", 
+						    this, topicListener, e.getMessage(), e);
 				success = false;
 			}
 		}
@@ -372,24 +368,21 @@ public abstract class SingleThreadedBusTopicSource
 						this.recentEvents.add(event);
 					}
 					
-					if (networkLogger.isInfoEnabled()) {
-						networkLogger.info("IN[" + this.getTopicCommInfrastructure() + "|" + 
-						                   this.topic + "]:" + 
-						                   event);
-					}
+					netLogger.info("[IN|{}|{}]{}{}",
+						           this.getTopicCommInfrastructure(), this.topic, 
+						           System.lineSeparator(), event);
 					
-					PolicyLogger.info(className, this.topic + " <-- " + event);
 					broadcast(event);
 					
 					if (!this.alive)
 						break;
 				}
 			} catch (Exception e) {
-				PolicyLogger.error( MessageCodes.EXCEPTION_ERROR, className, e, "CONSUMER.FETCH", this.toString());
+				logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
 			}
 		}
 		
-		PolicyLogger.warn(this.className, "Exiting: " + this);
+		logger.info("{}: exiting thread", this);
 	}
 	
 	/**
@@ -397,8 +390,6 @@ public abstract class SingleThreadedBusTopicSource
 	 */
 	@Override
 	public boolean offer(String event) {
-		PolicyLogger.info(className, "OFFER: " + event + " TO " + this);
-		
 		if (!this.alive) {
 			throw new IllegalStateException(this + " is not alive.");
 		}
@@ -407,11 +398,8 @@ public abstract class SingleThreadedBusTopicSource
 			this.recentEvents.add(event);
 		}
 		
-		if (networkLogger.isInfoEnabled()) {
-			networkLogger.info("IN[" + this.getTopicCommInfrastructure() + "|" + 
-			                    this.topic + "]:" + 
-			                    event);
-		}
+		netLogger.info("[IN|{}|{}]{}{}",this.getTopicCommInfrastructure(),this.topic, 
+				       System.lineSeparator(), event);
 		
 		
 		return broadcast(event);
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedDmaapTopicSource.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedDmaapTopicSource.java
index 2ced5bcb..7e3e3153 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedDmaapTopicSource.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/internal/SingleThreadedDmaapTopicSource.java
@@ -23,22 +23,23 @@ package org.openecomp.policy.drools.event.comm.bus.internal;
 import java.util.List;
 import java.util.Map;
 
-import org.openecomp.policy.common.logging.eelf.PolicyLogger;
 import org.openecomp.policy.drools.event.comm.Topic;
 import org.openecomp.policy.drools.event.comm.bus.DmaapTopicSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This topic reader implementation specializes in reading messages
  * over DMAAP topic and notifying its listeners
  */
 public class SingleThreadedDmaapTopicSource extends SingleThreadedBusTopicSource
-                                            implements DmaapTopicSource, Runnable {
-	
+                                            implements DmaapTopicSource, Runnable {	
 
+	private static Logger logger = LoggerFactory.getLogger(SingleThreadedDmaapTopicSource.class);
+	
 	protected boolean allowSelfSignedCerts;
 	protected final String userName;
 	protected final String password;
-	private String className = SingleThreadedDmaapTopicSource.class.getName();
 	
 	protected String environment = null;
 	protected String aftEnvironment = null;
@@ -98,7 +99,7 @@ public class SingleThreadedDmaapTopicSource extends SingleThreadedBusTopicSource
 		try {
 			this.init();
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.error("ERROR during init of topic {}", this.topic);
 			throw new IllegalArgumentException(e);
 		}
 	}
@@ -135,7 +136,7 @@ public class SingleThreadedDmaapTopicSource extends SingleThreadedBusTopicSource
 		try {
 			this.init();
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.warn("dmaap-source: cannot create topic {} because of {}", topic, e.getMessage(), e);
 			throw new IllegalArgumentException(e);
 		}
 	}
@@ -154,29 +155,29 @@ public class SingleThreadedDmaapTopicSource extends SingleThreadedBusTopicSource
 								                           this.consumerGroup, this.consumerInstance,
 								                           this.fetchTimeout, this.fetchLimit,
 								                           this.useHttps, this.allowSelfSignedCerts);
-			} else if ((this.environment == null    || this.environment.isEmpty()) &&
-					   (this.aftEnvironment == null || this.aftEnvironment.isEmpty()) &&
-					   (this.latitude == null	   || this.latitude.isEmpty()) &&
-					   (this.longitude == null	   || this.longitude.isEmpty()) &&
-					   (this.partner == null 	   || this.partner.isEmpty())) {
-				this.consumer =
-						new BusConsumer.DmaapAafConsumerWrapper(this.servers, this.topic, 
-								                            this.apiKey, this.apiSecret,
-								                            this.userName, this.password,
-								                            this.consumerGroup, this.consumerInstance,
-								                            this.fetchTimeout, this.fetchLimit, this.useHttps);
-			} else {
-				this.consumer =
-						new BusConsumer.DmaapDmeConsumerWrapper(this.servers, this.topic, 
-								                            this.apiKey, this.apiSecret,
-								                            this.userName, this.password,
-								                            this.consumerGroup, this.consumerInstance,
-								                            this.fetchTimeout, this.fetchLimit,
-								                            this.environment, this.aftEnvironment, this.partner,
-								                            this.latitude, this.longitude, this.additionalProps, this.useHttps);
-			}
+		} else if ((this.environment == null    || this.environment.isEmpty()) &&
+				   (this.aftEnvironment == null || this.aftEnvironment.isEmpty()) &&
+				   (this.latitude == null	   || this.latitude.isEmpty()) &&
+				   (this.longitude == null	   || this.longitude.isEmpty()) &&
+				   (this.partner == null 	   || this.partner.isEmpty())) {
+			this.consumer =
+					new BusConsumer.DmaapAafConsumerWrapper(this.servers, this.topic, 
+							                            this.apiKey, this.apiSecret,
+							                            this.userName, this.password,
+							                            this.consumerGroup, this.consumerInstance,
+							                            this.fetchTimeout, this.fetchLimit, this.useHttps);
+		} else {
+			this.consumer =
+					new BusConsumer.DmaapDmeConsumerWrapper(this.servers, this.topic, 
+							                            this.apiKey, this.apiSecret,
+							                            this.userName, this.password,
+							                            this.consumerGroup, this.consumerInstance,
+							                            this.fetchTimeout, this.fetchLimit,
+							                            this.environment, this.aftEnvironment, this.partner,
+							                            this.latitude, this.longitude, this.additionalProps, this.useHttps);
+		}
 			
-		PolicyLogger.info(className, "CREATION: " + this);
+		logger.info("{}: INITTED", this);
 	}
 	
 	/**
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/HttpClientFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/HttpClientFactory.java
index 53a8c2b2..15586b66 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/HttpClientFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/HttpClientFactory.java
@@ -27,6 +27,8 @@ import java.util.Properties;
 
 import org.openecomp.policy.drools.http.client.internal.JerseyClient;
 import org.openecomp.policy.drools.properties.PolicyProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public interface HttpClientFactory {
 	
@@ -50,6 +52,11 @@ public interface HttpClientFactory {
 
 class IndexedHttpClientFactory implements HttpClientFactory {
 	
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(IndexedHttpClientFactory.class);
+	
 	protected HashMap<String, HttpClient> clients = new HashMap<String, HttpClient>();
 
 	@Override
@@ -105,7 +112,7 @@ class IndexedHttpClientFactory implements HttpClientFactory {
 				}
 				port = Integer.parseInt(servicePortString);
 			} catch (NumberFormatException nfe) {
-				nfe.printStackTrace();
+				logger.error("http-client-factory: cannot parse port {}", servicePortString, nfe);
 				continue;
 			}
 			
@@ -135,7 +142,7 @@ class IndexedHttpClientFactory implements HttpClientFactory {
 								   userName, password, managed);
 				clientList.add(client);
 			} catch (Exception e) {
-				e.printStackTrace();
+				logger.error("http-client-factory: cannot build client {}", clientName, e);
 			}
 		}
 		
@@ -166,7 +173,7 @@ class IndexedHttpClientFactory implements HttpClientFactory {
 		try {
 			client.shutdown();
 		} catch (IllegalStateException e) {
-			e.printStackTrace();
+			logger.error("http-client-factory: cannot shutdown client {}", client, e);
 		}
 	}
 
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/internal/JerseyClient.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/internal/JerseyClient.java
index 4fa59dc8..f041b079 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/internal/JerseyClient.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/client/internal/JerseyClient.java
@@ -35,11 +35,18 @@ import javax.ws.rs.core.Response;
 
 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
 import org.openecomp.policy.drools.http.client.HttpClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 
 public class JerseyClient implements HttpClient {
 	
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(JerseyClient.class); 
+	
 	protected final String name;
 	protected final boolean https;
 	protected final boolean selfSignedCerts;
@@ -156,7 +163,8 @@ public class JerseyClient implements HttpClient {
 		try {
 			this.client.close();
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.warn("{}: cannot close because of {}", this, 
+				        e.getMessage(), e);
 		}
 	}
 
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/HttpServletServerFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/HttpServletServerFactory.java
index 40f5c9ad..83f4b3d7 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/HttpServletServerFactory.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/HttpServletServerFactory.java
@@ -25,8 +25,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Properties;
 
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 import org.openecomp.policy.drools.http.server.internal.JettyJerseyServer;
 import org.openecomp.policy.drools.properties.PolicyProperties;
 
@@ -95,7 +95,7 @@ class IndexedHttpServletServerFactory implements HttpServletServerFactory {
 	/**
 	 * logger
 	 */
-	protected static Logger logger = FlexLogger.getLogger(IndexedHttpServletServerFactory.class);	
+	protected static Logger logger = LoggerFactory.getLogger(IndexedHttpServletServerFactory.class);	
 	
 	/**
 	 * servers index
@@ -126,7 +126,7 @@ class IndexedHttpServletServerFactory implements HttpServletServerFactory {
 		
 		String serviceNames = properties.getProperty(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES);
 		if (serviceNames == null || serviceNames.isEmpty()) {
-			logger.warn("No topic for HTTP Service " + properties);
+			logger.warn("No topic for HTTP Service: {}", properties);
 			return serviceList;
 		}
 		
@@ -142,13 +142,13 @@ class IndexedHttpServletServerFactory implements HttpServletServerFactory {
 			try {
 				if (servicePortString == null || servicePortString.isEmpty()) {
 					if (logger.isWarnEnabled())
-						logger.warn("No HTTP port for service in " + serviceName);
+						logger.warn("No HTTP port for service in {}", serviceName);
 					continue;
 				}
 				servicePort = Integer.parseInt(servicePortString);
 			} catch (NumberFormatException nfe) {
 				if (logger.isWarnEnabled())
-					logger.warn("No HTTP port for service in " + serviceName);
+					logger.warn("No HTTP port for service in {}", serviceName);
 				continue;
 			}
 			
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyJerseyServer.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyJerseyServer.java
index 5bc320e5..c60a62ca 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyJerseyServer.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyJerseyServer.java
@@ -24,8 +24,8 @@ import java.net.UnknownHostException;
 import java.util.HashMap;
 
 import org.eclipse.jetty.servlet.ServletHolder;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
 
 import io.swagger.jersey.config.JerseyJaxrsConfig;
 
@@ -67,7 +67,7 @@ public class JettyJerseyServer extends JettyServletServer {
 	/**
 	 * Logger
 	 */
-	protected static Logger logger = FlexLogger.getLogger(JettyJerseyServer.class);
+	protected static Logger logger = LoggerFactory.getLogger(JettyJerseyServer.class);
 	
 	/**
 	 * Container for servlets
@@ -112,7 +112,7 @@ public class JettyJerseyServer extends JettyServletServer {
 			try {
 				hostname = InetAddress.getLocalHost().getHostName();
 			} catch (UnknownHostException e) {
-				logger.warn("can't resolve connector's hostname: " + this);
+				logger.warn("{}: can't resolve connector's hostname: ", this);
 				hostname = "localhost";
 			}
 		}
@@ -125,7 +125,7 @@ public class JettyJerseyServer extends JettyServletServer {
 		swaggerServlet.setInitOrder(2);
 		
         if (logger.isDebugEnabled())
-        	logger.debug(this + "Swagger Servlet has been attached: " + swaggerServlet.dump());
+        	logger.debug("{}: Swagger Servlet has been attached: {}", this, swaggerServlet.dump());
 	}	
 	
 	/**
@@ -165,7 +165,7 @@ public class JettyJerseyServer extends JettyServletServer {
 		String initClasses = 
 				jerseyServlet.getInitParameter(JERSEY_INIT_CLASSNAMES_PARAM_NAME);
 		if (initClasses != null && !initClasses.isEmpty())
-			logger.warn("Both packages and classes are used in Jetty+Jersey Configuration: " + restPackage);
+			logger.warn("Both packages and classes are used in Jetty+Jersey Configuration: {}", restPackage);
 		
 		String initPackages = 
 				jerseyServlet.getInitParameter(JERSEY_INIT_PACKAGES_PARAM_NAME);
@@ -188,7 +188,7 @@ public class JettyJerseyServer extends JettyServletServer {
         jerseyServlet.setInitParameter(JERSEY_INIT_PACKAGES_PARAM_NAME,  initPackages);
         
         if (logger.isDebugEnabled())
-        	logger.debug(this + "Added REST Package: " + jerseyServlet.dump());
+        	logger.debug("{}: added REST package: {}", this, jerseyServlet.dump());
 	}
 	
 	@Override
@@ -206,7 +206,7 @@ public class JettyJerseyServer extends JettyServletServer {
 		String initPackages = 
 				jerseyServlet.getInitParameter(JERSEY_INIT_PACKAGES_PARAM_NAME);
 		if (initPackages != null && !initPackages.isEmpty())
-			logger.warn("Both classes and packages are used in Jetty+Jersey Configuration: " + restClass);
+			logger.warn("Both classes and packages are used in Jetty+Jersey Configuration: {}", restClass);
 		
 		String initClasses = 
 				jerseyServlet.getInitParameter(JERSEY_INIT_CLASSNAMES_PARAM_NAME);
@@ -228,7 +228,7 @@ public class JettyJerseyServer extends JettyServletServer {
         jerseyServlet.setInitParameter(JERSEY_INIT_CLASSNAMES_PARAM_NAME, initClasses);
         
         if (logger.isDebugEnabled())
-        	logger.debug(this + "Added REST Class: " + jerseyServlet.dump());
+        	logger.debug("{}: added REST class: {}", this, jerseyServlet.dump());
 	}
 	
 	@Override
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyServletServer.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyServletServer.java
index 74360e80..009ad303 100644
--- a/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyServletServer.java
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/http/server/internal/JettyServletServer.java
@@ -28,11 +28,9 @@ import org.eclipse.jetty.server.ServerConnector;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.util.security.Constraint;
 import org.eclipse.jetty.util.security.Credential;
-
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
 import org.openecomp.policy.drools.http.server.HttpServletServer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 
@@ -41,7 +39,7 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
  */
 public abstract class JettyServletServer implements HttpServletServer, Runnable {
 	
-	private static Logger logger = FlexLogger.getLogger(JettyServletServer.class);
+	private static Logger logger = LoggerFactory.getLogger(JettyServletServer.class);
 
 	protected final String name;
 
@@ -141,25 +139,27 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	 */
 	@Override
 	public void run() {
-        try {        	
-        	if (logger.isInfoEnabled())
-        		logger.info(this + " STARTING " + this.jettyServer.dump());
+        try {
+        	logger.info("{}: STARTING", this);
         	
             this.jettyServer.start();
             
+            if (logger.isInfoEnabled()) 
+            	logger.info("{}: STARTED: {}", this, this.jettyServer.dump());
+            
         	synchronized(this.startCondition) {
         		this.startCondition.notifyAll();
         	}
         	
             this.jettyServer.join();
         } catch (Exception e) {
-			logger.warn(MessageCodes.EXCEPTION_ERROR, e,  
-	                    "Error found while running management server", this.toString());
+			logger.error("{}: error found while bringing up server", this, e);
 		} 
 	}
 	
 	@Override
 	public boolean waitedStart(long maxWaitTime) throws IllegalArgumentException {
+		logger.info("{}: WAITED-START", this);
 		
 		if (maxWaitTime < 0)
 			throw new IllegalArgumentException("max-wait-time cannot be negative");
@@ -184,15 +184,13 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 					long endTs = System.currentTimeMillis();
 					pendingWaitTime = pendingWaitTime - (endTs - startTs);
 					
-					if (logger.isInfoEnabled())
-						logger.info(this + "Pending time is " + pendingWaitTime + 
-								    " ms.");
+					logger.info("{}: pending time is {} ms.", this, pendingWaitTime);
 					
 					if (pendingWaitTime <= 0)
 						return false;
 					
 				} catch (InterruptedException e) {
-					logger.warn("waited-start has been interrupted");
+					logger.warn("{}: waited-start has been interrupted", this);
 					return false;			
 				}
 			}
@@ -206,8 +204,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	 */
 	@Override
 	public boolean start() throws IllegalStateException {
-		if (logger.isDebugEnabled())
-			logger.debug(this + "START");
+		logger.info("{}: STARTING", this);
 		
 		synchronized(this) {			
 			if (jettyThread == null || 
@@ -227,7 +224,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	 */
 	@Override
 	public boolean stop() throws IllegalStateException {
-		logger.info(this + "STOP");
+		logger.info("{}: STOPPING", this);
 		
 		synchronized(this) {
 			if (jettyThread == null) {
@@ -241,16 +238,13 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 			try {
 				this.connector.stop();
 			} catch (Exception e) {
-				logger.error(MessageCodes.EXCEPTION_ERROR, e,  
-				           "Error while stopping management server", this.toString());
-				e.printStackTrace();
+				logger.error("{}: error while stopping management server", this, e);
 			}
 			
 			try {
 				this.jettyServer.stop();
 			} catch (Exception e) {
-				logger.error(MessageCodes.EXCEPTION_ERROR, e,  
-						           "Error while stopping management server", this.toString());
+				logger.error("{}: error while stopping management server", this, e);
 				return false;
 			}
 			
@@ -265,7 +259,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	 */
 	@Override
 	public void shutdown() throws IllegalStateException {
-		logger.info(this + "SHUTDOWN");
+		logger.info("{}: SHUTTING DOWN", this);
 		
 		this.stop();
 		
@@ -278,15 +272,14 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 			try {
 				jettyThreadCopy.join(1000L);
 			} catch (InterruptedException e) {
-				logger.warn(MessageCodes.EXCEPTION_ERROR, e,  
-				                  "Error while shutting down management server", this.toString());
+				logger.warn("{}: error while shutting down management server", this);
 			}
 			if (!jettyThreadCopy.isInterrupted()) {
 				try {
 					jettyThreadCopy.interrupt();
 				} catch(Exception e) {
 					// do nothing
-					logger.warn("exception while shutting down (OK)");
+					logger.warn("{}: exception while shutting down (OK)", this);
 				}
 			}
 		}