sonar criticals and some majors

Issue-ID: POLICY-114
Change-Id: I5fe12b6538379a4d018bb76173247fe53fba21d7
Signed-off-by: Jorge Hernandez <jh1730@att.com>

10 files changed, 207 insertions, 304 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicEndpoint.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicEndpoint.java
index 84cc1dee..cc3705ee 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicEndpoint.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicEndpoint.java
@@ -49,8 +49,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * @return a generic Topic Source
 	 * @throws IllegalArgumentException when invalid arguments are provided
 	 */
-	public List<? extends TopicSource> addTopicSources(Properties properties) 
-		   throws IllegalArgumentException;
+	public List<TopicSource> addTopicSources(Properties properties);
 
 	/**
 	 * Add Topic Sinks to the communication infrastructure initialized per
@@ -60,14 +59,13 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * @return a generic Topic Sink
 	 * @throws IllegalArgumentException when invalid arguments are provided
 	 */
-	public List<? extends TopicSink> addTopicSinks(Properties properties) 
-			   throws IllegalArgumentException;
+	public List<TopicSink> addTopicSinks(Properties properties);
 	
 	/**
 	 * gets all Topic Sources
 	 * @return the Topic Source List
 	 */
-	List<? extends TopicSource> getTopicSources();
+	List<TopicSource> getTopicSources();
 	
 	/**
 	 * get the Topic Sources for the given topic name
@@ -78,8 +76,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * @throws IllegalStateException if the entity is in an invalid state
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public List<? extends TopicSource> getTopicSources(List<String> topicNames) 
-			throws IllegalStateException, IllegalArgumentException;
+	public List<TopicSource> getTopicSources(List<String> topicNames);
 	
 	/**
 	 * gets the Topic Source for the given topic name and 
@@ -96,8 +93,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 */
 	public TopicSource getTopicSource(Topic.CommInfrastructure commType, 
 			                          String topicName) 
-			throws IllegalStateException, IllegalArgumentException, 
-			       UnsupportedOperationException;
+			throws UnsupportedOperationException;
 	
 	/**
 	 * get the UEB Topic Source for the given topic name
@@ -109,8 +105,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicReaders for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public UebTopicSource getUebTopicSource(String topicName)
-			throws IllegalStateException, IllegalArgumentException;
+	public UebTopicSource getUebTopicSource(String topicName);
 	
 	/**
 	 * get the DMAAP Topic Source for the given topic name
@@ -122,8 +117,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicReaders for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public DmaapTopicSource getDmaapTopicSource(String topicName)
-			throws IllegalStateException, IllegalArgumentException;
+	public DmaapTopicSource getDmaapTopicSource(String topicName);
 	
 	/**
 	 * get the Topic Sinks for the given topic name
@@ -133,8 +127,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * @throws IllegalStateException
 	 * @throws IllegalArgumentException
 	 */
-	public List<? extends TopicSink> getTopicSinks(List<String> topicNames) 
-			throws IllegalStateException, IllegalArgumentException;
+	public List<TopicSink> getTopicSinks(List<String> topicNames);
 	
 	/**
 	 * get the Topic Sinks for the given topic name and 
@@ -150,8 +143,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 */
 	public TopicSink getTopicSink(Topic.CommInfrastructure commType, 
 			                      String topicName) 
-			throws IllegalStateException, IllegalArgumentException,
-			       UnsupportedOperationException;
+			throws UnsupportedOperationException;
 	
 	/**
 	 * get the Topic Sinks for the given topic name and 
@@ -165,8 +157,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicWriters for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public List<? extends TopicSink> getTopicSinks(String topicName) 
-			throws IllegalStateException, IllegalArgumentException;
+	public List<TopicSink> getTopicSinks(String topicName);
 	
 	/**
 	 * get the UEB Topic Source for the given topic name
@@ -178,8 +169,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicReaders for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public UebTopicSink getUebTopicSink(String topicName)
-			throws IllegalStateException, IllegalArgumentException;
+	public UebTopicSink getUebTopicSink(String topicName);
 	
 	/**
 	 * get the no-op Topic Sink for the given topic name
@@ -191,8 +181,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicReaders for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public NoopTopicSink getNoopTopicSink(String topicName)
-			throws IllegalStateException, IllegalArgumentException;
+	public NoopTopicSink getNoopTopicSink(String topicName);
 	
 	/**
 	 * get the DMAAP Topic Source for the given topic name
@@ -204,8 +193,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * example multiple TopicReaders for a topic name and communication infrastructure
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public DmaapTopicSink getDmaapTopicSink(String topicName)
-			throws IllegalStateException, IllegalArgumentException;
+	public DmaapTopicSink getDmaapTopicSink(String topicName);
 	
 	/**
 	 * gets only the UEB Topic Sources
@@ -223,7 +211,7 @@ public interface TopicEndpoint extends Startable, Lockable {
 	 * gets all Topic Sinks
 	 * @return the Topic Sink List
 	 */
-	public List<? extends TopicSink> getTopicSinks();
+	public List<TopicSink> getTopicSinks();
 	
 	/**
 	 * gets only the UEB Topic Sinks
@@ -272,16 +260,13 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 	 */
 	protected volatile boolean alive = false;
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSource> addTopicSources(Properties properties) throws IllegalArgumentException {
+	public List<TopicSource> addTopicSources(Properties properties) {
 		
 		// 1. Create UEB Sources
 		// 2. Create DMAAP Sources
 		
-		List<TopicSource> sources = new ArrayList<TopicSource>();	
+		List<TopicSource> sources = new ArrayList<>();	
 		
 		sources.addAll(UebTopicSource.factory.build(properties));
 		sources.addAll(DmaapTopicSource.factory.build(properties));
@@ -295,15 +280,12 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sources;
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSink> addTopicSinks(Properties properties) throws IllegalArgumentException {
+	public List<TopicSink> addTopicSinks(Properties properties) {
 		// 1. Create UEB Sinks
 		// 2. Create DMAAP Sinks
 		
-		List<TopicSink> sinks = new ArrayList<TopicSink>();	
+		List<TopicSink> sinks = new ArrayList<>();	
 		
 		sinks.addAll(UebTopicSink.factory.build(properties));
 		sinks.addAll(DmaapTopicSink.factory.build(properties));
@@ -318,13 +300,10 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sinks;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSource> getTopicSources() {
+	public List<TopicSource> getTopicSources() {
 	
-		List<TopicSource> sources = new ArrayList<TopicSource>();
+		List<TopicSource> sources = new ArrayList<>();
 		
 		sources.addAll(UebTopicSource.factory.inventory());
 		sources.addAll(DmaapTopicSource.factory.inventory());
@@ -332,13 +311,10 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sources;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSink> getTopicSinks() {
+	public List<TopicSink> getTopicSinks() {
 		
-		List<TopicSink> sinks = new ArrayList<TopicSink>();	
+		List<TopicSink> sinks = new ArrayList<>();	
 		
 		sinks.addAll(UebTopicSink.factory.inventory());
 		sinks.addAll(DmaapTopicSink.factory.inventory());
@@ -347,56 +323,38 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sinks;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@JsonIgnore
 	@Override
 	public List<UebTopicSource> getUebTopicSources() {
 		return UebTopicSource.factory.inventory();
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@JsonIgnore
 	@Override
 	public List<DmaapTopicSource> getDmaapTopicSources() {
 		return DmaapTopicSource.factory.inventory();
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@JsonIgnore
 	@Override
 	public List<UebTopicSink> getUebTopicSinks() {
 		return UebTopicSink.factory.inventory();
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@JsonIgnore
 	@Override
 	public List<DmaapTopicSink> getDmaapTopicSinks() {
 		return DmaapTopicSink.factory.inventory();
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@JsonIgnore
 	@Override
 	public List<NoopTopicSink> getNoopTopicSinks() {
 		return NoopTopicSink.factory.inventory();
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public boolean start() throws IllegalStateException {
+	public boolean start() {
 		
 		synchronized (this) {
 			if (this.locked) {
@@ -426,11 +384,8 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 	}
 
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public boolean stop() throws IllegalStateException {
+	public boolean stop() {
 		
 		/* 
 		 * stop regardless if it is locked, in other
@@ -462,7 +417,7 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 	 */
 	@JsonIgnore
 	protected List<Startable> getEndpoints() {
-		List<Startable> endpoints = new ArrayList<Startable>();
+		List<Startable> endpoints = new ArrayList<>();
 
 		endpoints.addAll(this.getTopicSources());
 		endpoints.addAll(this.getTopicSinks());
@@ -470,12 +425,8 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return endpoints;
 	}
 	
-
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public void shutdown() throws IllegalStateException {
+	public void shutdown() {
 		UebTopicSource.factory.destroy();
 		UebTopicSink.factory.destroy();
 		
@@ -483,17 +434,11 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		DmaapTopicSink.factory.destroy();
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public boolean isAlive() {
 		return this.alive;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public boolean lock() {
 		
@@ -515,9 +460,6 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return true;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public boolean unlock() {
 		synchronized (this) {
@@ -538,26 +480,19 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return true;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public boolean isLocked() {
 		return this.locked;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSource> getTopicSources(List<String> topicNames)
-			throws IllegalStateException, IllegalArgumentException {
+	public List<TopicSource> getTopicSources(List<String> topicNames) {
 		
 		if (topicNames == null) {
 			throw new IllegalArgumentException("must provide a list of topics");
 		}
 		
-		List<TopicSource> sources = new ArrayList<TopicSource>();
+		List<TopicSource> sources = new ArrayList<>();
 		for (String topic: topicNames) {
 			try {
 				TopicSource uebSource = this.getUebTopicSource(topic);
@@ -578,18 +513,14 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sources;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSink> getTopicSinks(List<String> topicNames)
-			throws IllegalStateException, IllegalArgumentException {
+	public List<TopicSink> getTopicSinks(List<String> topicNames) {
 		
 		if (topicNames == null) {
 			throw new IllegalArgumentException("must provide a list of topics");
 		}
 		
-		List<TopicSink> sinks = new ArrayList<TopicSink>();
+		List<TopicSink> sinks = new ArrayList<>();
 		for (String topic: topicNames) {
 			try {
 				TopicSink uebSink = this.getUebTopicSink(topic);
@@ -610,12 +541,9 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sinks;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public TopicSource getTopicSource(Topic.CommInfrastructure commType, String topicName)
-			throws IllegalStateException, IllegalArgumentException, UnsupportedOperationException {
+			throws UnsupportedOperationException {
 		
 		if (commType == null) {
 			throw new IllegalArgumentException
@@ -638,12 +566,9 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public TopicSink getTopicSink(Topic.CommInfrastructure commType, String topicName)
-			throws IllegalStateException, IllegalArgumentException, UnsupportedOperationException {
+			throws UnsupportedOperationException {
 		if (commType == null) {
 			throw new IllegalArgumentException
 				("Invalid parameter: a communication infrastructure required to fetch " + topicName);
@@ -665,19 +590,15 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		}
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<? extends TopicSink> getTopicSinks(String topicName) 
-			throws IllegalStateException, IllegalArgumentException {
+	public List<TopicSink> getTopicSinks(String topicName) {
 
 		if (topicName == null) {
 			throw new IllegalArgumentException
 				("Invalid parameter: a communication infrastructure required to fetch " + topicName);
 		}
 		
-		List<TopicSink> sinks = new ArrayList<TopicSink>();
+		List<TopicSink> sinks = new ArrayList<>();
 		
 		try {
 			sinks.add(this.getUebTopicSink(topicName));
@@ -694,35 +615,28 @@ class ProxyTopicEndpointManager implements TopicEndpoint {
 		return sinks;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public UebTopicSource getUebTopicSource(String topicName) throws IllegalStateException, IllegalArgumentException {
+	public UebTopicSource getUebTopicSource(String topicName) {
 		return UebTopicSource.factory.get(topicName);
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public UebTopicSink getUebTopicSink(String topicName) throws IllegalStateException, IllegalArgumentException {
+	public UebTopicSink getUebTopicSink(String topicName) {
 		return UebTopicSink.factory.get(topicName);
 	}
 
 	@Override
-	public DmaapTopicSource getDmaapTopicSource(String topicName)
-			throws IllegalStateException, IllegalArgumentException {
+	public DmaapTopicSource getDmaapTopicSource(String topicName) {
 		return DmaapTopicSource.factory.get(topicName);
 	}
 
 	@Override
-	public DmaapTopicSink getDmaapTopicSink(String topicName) throws IllegalStateException, IllegalArgumentException {
+	public DmaapTopicSink getDmaapTopicSink(String topicName) {
 		return DmaapTopicSink.factory.get(topicName);
 	}
 
 	@Override
-	public NoopTopicSink getNoopTopicSink(String topicName) throws IllegalStateException, IllegalArgumentException {
+	public NoopTopicSink getNoopTopicSink(String topicName) {
 		return NoopTopicSink.factory.get(topicName);
 	}
 	
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicListener.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicListener.java
index a7dedd27..4c8552b6 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicListener.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/TopicListener.java
@@ -23,6 +23,7 @@ package org.onap.policy.drools.event.comm;
 /**
  * Listener for event messages entering the Policy Engine
  */
+@FunctionalInterface
 public interface TopicListener {
 	
 	/**
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
index 759e97f7..43854c2a 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
@@ -107,8 +107,7 @@ public interface DmaapTopicSinkFactory {
 								String partitionKey,
 								boolean managed,
 								boolean useHttps,
-								boolean allowSelfSignedCerts)
-			throws IllegalArgumentException;
+								boolean allowSelfSignedCerts);
 	
 	/**
 	 * Creates an DMAAP Topic Sink based on properties files
@@ -118,8 +117,7 @@ public interface DmaapTopicSinkFactory {
 	 * @return an DMAAP Topic Sink
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public List<DmaapTopicSink> build(Properties properties)
-			throws IllegalArgumentException;
+	public List<DmaapTopicSink> build(Properties properties);
 	
 	/**
 	 * Instantiates a new DMAAP Topic Sink
@@ -130,8 +128,7 @@ public interface DmaapTopicSinkFactory {
 	 * @return an DMAAP Topic Sink
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public DmaapTopicSink build(List<String> servers, String topic)
-			throws IllegalArgumentException;
+	public DmaapTopicSink build(List<String> servers, String topic);
 	
 	/**
 	 * Destroys an DMAAP Topic Sink based on a topic
@@ -150,8 +147,7 @@ public interface DmaapTopicSinkFactory {
 	 * @throws IllegalStateException if the DMAAP Topic Reader is 
 	 * an incorrect state
 	 */
-	public DmaapTopicSink get(String topic)
-			   throws IllegalArgumentException, IllegalStateException;
+	public DmaapTopicSink get(String topic);
 	
 	/**
 	 * Provides a snapshot of the DMAAP Topic Sinks
@@ -179,12 +175,8 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 	/**
 	 * DMAAP Topic Name Index
 	 */
-	protected HashMap<String, DmaapTopicSink> dmaapTopicWriters =
-			new HashMap<String, DmaapTopicSink>();
+	protected HashMap<String, DmaapTopicSink> dmaapTopicWriters = new HashMap<>();
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public DmaapTopicSink build(List<String> servers, 
 								String topic, 
@@ -201,8 +193,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 								Map<String,String> additionalProps,
 								boolean managed,
 								boolean useHttps,
-								boolean allowSelfSignedCerts) 
-			throws IllegalArgumentException {
+								boolean allowSelfSignedCerts) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -227,9 +218,6 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		}
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public DmaapTopicSink build(List<String> servers, 
 								String topic, 
@@ -239,8 +227,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 								String password,
 								String partitionKey,
 								boolean managed,
-								boolean useHttps, boolean allowSelfSignedCerts) 
-			throws IllegalArgumentException {
+								boolean useHttps, boolean allowSelfSignedCerts) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -263,30 +250,22 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		}
 	}
 	
-
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public DmaapTopicSink build(List<String> servers, String topic) throws IllegalArgumentException {
+	public DmaapTopicSink build(List<String> servers, String topic) {
 		return this.build(servers, topic, null, null, null, null, null, true, false, false);
 	}
 	
-
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<DmaapTopicSink> build(Properties properties) throws IllegalArgumentException {
+	public List<DmaapTopicSink> build(Properties properties) {
 		
 		String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS);
 		if (writeTopics == null || writeTopics.isEmpty()) {
 			logger.info("{}: no topic for DMaaP Sink", this);
-			return new ArrayList<DmaapTopicSink>();
+			return new ArrayList<>();
 		}
 		
-		List<String> writeTopicList = new ArrayList<String>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
-		List<DmaapTopicSink> newDmaapTopicSinks = new ArrayList<DmaapTopicSink>();
+		List<String> writeTopicList = new ArrayList<>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
+		List<DmaapTopicSink> newDmaapTopicSinks = new ArrayList<>();
 		synchronized(this) {
 			for (String topic: writeTopicList) {
 				if (this.dmaapTopicWriters.containsKey(topic)) {
@@ -298,7 +277,7 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 				                                        PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
 				
 				List<String> serverList;
-				if (servers != null && !servers.isEmpty()) serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+				if (servers != null && !servers.isEmpty()) serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
 				else serverList = new ArrayList<>();
 				
 				String apiKey = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
@@ -421,12 +400,8 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		}
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public void destroy(String topic) 
-		   throws IllegalArgumentException {
+	public void destroy(String topic) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -444,9 +419,6 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		dmaapTopicWriter.shutdown();
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public void destroy() {
 		List<DmaapTopicSink> writers = this.inventory();
@@ -459,12 +431,8 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public DmaapTopicSink get(String topic) 
-			throws IllegalArgumentException, IllegalStateException {
+	public DmaapTopicSink get(String topic) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -479,13 +447,10 @@ class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public synchronized List<DmaapTopicSink> inventory() {
 		 List<DmaapTopicSink> writers = 
-				 new ArrayList<DmaapTopicSink>(this.dmaapTopicWriters.values());
+				 new ArrayList<>(this.dmaapTopicWriters.values());
 		 return writers;
 	}
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSink.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSink.java
index 4880525f..afc11229 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSink.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSink.java
@@ -52,12 +52,12 @@ public class NoopTopicSink extends TopicBase implements TopicSink {
 	 * @param topic topic
 	 * @throws IllegalArgumentException if an invalid argument has been passed in
 	 */
-	public NoopTopicSink(List<String> servers, String topic) throws IllegalArgumentException {
+	public NoopTopicSink(List<String> servers, String topic) {
 		super(servers, topic);
 	}
 
 	@Override
-	public boolean send(String message) throws IllegalArgumentException, IllegalStateException {
+	public boolean send(String message) {
 		
 		if (message == null || message.isEmpty())
 			throw new IllegalArgumentException("Message to send is empty");
@@ -88,7 +88,7 @@ public class NoopTopicSink extends TopicBase implements TopicSink {
 	}
 
 	@Override
-	public boolean start() throws IllegalStateException {
+	public boolean start() {
 		logger.info("{}: starting", this);
 		
 		synchronized(this) {
@@ -106,7 +106,7 @@ public class NoopTopicSink extends TopicBase implements TopicSink {
 	}
 
 	@Override
-	public boolean stop() throws IllegalStateException {
+	public boolean stop() {
 		synchronized(this) {
 			this.alive = false;
 		}
@@ -114,7 +114,7 @@ public class NoopTopicSink extends TopicBase implements TopicSink {
 	}
 
 	@Override
-	public void shutdown() throws IllegalStateException {
+	public void shutdown() {
 		this.stop();
 	}
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java
index 7a428dcd..946e48c0 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java
@@ -42,8 +42,7 @@ public interface NoopTopicSinkFactory {
 	 * @return a noop topic sink
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public List<NoopTopicSink> build(Properties properties) 
-			throws IllegalArgumentException;
+	public List<NoopTopicSink> build(Properties properties);
 
 	/**
 	 * builds a noop sink
@@ -54,8 +53,7 @@ public interface NoopTopicSinkFactory {
 	 * @return a noop topic sink
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public NoopTopicSink build(List<String> servers, String topic, boolean managed) 
-			throws IllegalArgumentException;
+	public NoopTopicSink build(List<String> servers, String topic, boolean managed);
 	
 	/**
 	 * Destroys a sink based on the topic
@@ -73,8 +71,7 @@ public interface NoopTopicSinkFactory {
 	 * @throws IllegalArgumentException if an invalid topic is provided
 	 * @throws IllegalStateException if the sink is in an incorrect state
 	 */
-	public NoopTopicSink get(String topic)
-			   throws IllegalArgumentException, IllegalStateException;
+	public NoopTopicSink get(String topic);
 	
 	/**
 	 * Provides a snapshot of the UEB Topic Writers
@@ -102,18 +99,18 @@ class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory {
 	/**
 	 * noop topic sinks map
 	 */
-	protected HashMap<String, NoopTopicSink> noopTopicSinks = new HashMap<String, NoopTopicSink>();
+	protected HashMap<String, NoopTopicSink> noopTopicSinks = new HashMap<>();
 
 	@Override
-	public List<NoopTopicSink> build(Properties properties) throws IllegalArgumentException {
+	public List<NoopTopicSink> build(Properties properties) {
 		
 		String sinkTopics = properties.getProperty(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS);
 		if (sinkTopics == null || sinkTopics.isEmpty()) {
 			logger.info("{}: no topic for noop sink", this);
-			return new ArrayList<NoopTopicSink>();
+			return new ArrayList<>();
 		}
 		
-		List<String> sinkTopicList = new ArrayList<String>(Arrays.asList(sinkTopics.split("\\s*,\\s*")));
+		List<String> sinkTopicList = new ArrayList<>(Arrays.asList(sinkTopics.split("\\s*,\\s*")));
 		List<NoopTopicSink> newSinks = new ArrayList<NoopTopicSink>();
 		synchronized(this) {
 			for (String topic: sinkTopicList) {
@@ -129,7 +126,7 @@ class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory {
 				if (servers == null || servers.isEmpty()) 
 					servers = "noop";
 				
-				List<String> serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+				List<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
 				
 				String managedString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS + "." + topic +
 						                                      PolicyProperties.PROPERTY_MANAGED_SUFFIX);
@@ -146,7 +143,7 @@ class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory {
 	}
 
 	@Override
-	public NoopTopicSink build(List<String> servers, String topic, boolean managed) throws IllegalArgumentException {
+	public NoopTopicSink build(List<String> servers, String topic, boolean managed) {
 		if (servers == null) {
 			servers = new ArrayList<>();
 		}
@@ -205,7 +202,7 @@ class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory {
 	}
 
 	@Override
-	public NoopTopicSink get(String topic) throws IllegalArgumentException, IllegalStateException {
+	public NoopTopicSink get(String topic) {
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
 		}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java
index 50718097..10f56c4f 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java
@@ -56,8 +56,7 @@ public interface UebTopicSinkFactory {
 								String partitionKey,
 								boolean managed,
 								boolean useHttps,
-								boolean allowSelfSignedCerts)
-			throws IllegalArgumentException;
+								boolean allowSelfSignedCerts);
 	
 	/**
 	 * Creates an UEB Topic Writer based on properties files
@@ -67,8 +66,7 @@ public interface UebTopicSinkFactory {
 	 * @return an UEB Topic Writer
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public List<UebTopicSink> build(Properties properties)
-			throws IllegalArgumentException;
+	public List<UebTopicSink> build(Properties properties);
 	
 	/**
 	 * Instantiates a new UEB Topic Writer
@@ -79,8 +77,7 @@ public interface UebTopicSinkFactory {
 	 * @return an UEB Topic Writer
 	 * @throws IllegalArgumentException if invalid parameters are present
 	 */
-	public UebTopicSink build(List<String> servers, String topic)
-			throws IllegalArgumentException;
+	public UebTopicSink build(List<String> servers, String topic);
 	
 	/**
 	 * Destroys an UEB Topic Writer based on a topic
@@ -99,8 +96,7 @@ public interface UebTopicSinkFactory {
 	 * @throws IllegalStateException if the UEB Topic Reader is 
 	 * an incorrect state
 	 */
-	public UebTopicSink get(String topic)
-			   throws IllegalArgumentException, IllegalStateException;
+	public UebTopicSink get(String topic);
 	
 	/**
 	 * Provides a snapshot of the UEB Topic Writers
@@ -131,9 +127,6 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 	protected HashMap<String, UebTopicSink> uebTopicSinks =
 			new HashMap<String, UebTopicSink>();
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public UebTopicSink build(List<String> servers, 
 								String topic, 
@@ -142,8 +135,7 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 								String partitionKey,
 								boolean managed,
 								boolean useHttps,
-								boolean allowSelfSignedCerts) 
-			throws IllegalArgumentException {
+								boolean allowSelfSignedCerts) {
 		
 		if (servers == null || servers.isEmpty()) {
 			throw new IllegalArgumentException("UEB Server(s) must be provided");
@@ -170,29 +162,23 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 	}
 	
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public UebTopicSink build(List<String> servers, String topic) throws IllegalArgumentException {	
+	public UebTopicSink build(List<String> servers, String topic) {	
 		return this.build(servers, topic, null, null, null, true, false, false);
 	}
 	
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public List<UebTopicSink> build(Properties properties) throws IllegalArgumentException {
+	public List<UebTopicSink> build(Properties properties) {
 		
 		String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS);
 		if (writeTopics == null || writeTopics.isEmpty()) {
 			logger.info("{}: no topic for UEB Sink", this);
-			return new ArrayList<UebTopicSink>();
+			return new ArrayList<>();
 		}
 		
-		List<String> writeTopicList = new ArrayList<String>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
-		List<UebTopicSink> newUebTopicSinks = new ArrayList<UebTopicSink>();
+		List<String> writeTopicList = new ArrayList<>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
+		List<UebTopicSink> newUebTopicSinks = new ArrayList<>();
 		synchronized(this) {
 			for (String topic: writeTopicList) {
 				if (this.uebTopicSinks.containsKey(topic)) {
@@ -208,7 +194,7 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 					continue;
 				}
 				
-				List<String> serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+				List<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
 				
 				String apiKey = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS + 
 						                               "." + topic + 
@@ -255,12 +241,8 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 		}
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public void destroy(String topic) 
-		   throws IllegalArgumentException {
+	public void destroy(String topic) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -278,9 +260,6 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 		uebTopicWriter.shutdown();
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public void destroy() {
 		List<UebTopicSink> writers = this.inventory();
@@ -293,12 +272,8 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public UebTopicSink get(String topic) 
-			throws IllegalArgumentException, IllegalStateException {
+	public UebTopicSink get(String topic) {
 		
 		if (topic == null || topic.isEmpty()) {
 			throw new IllegalArgumentException("A topic must be provided");
@@ -313,13 +288,10 @@ class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public synchronized List<UebTopicSink> inventory() {
 		 List<UebTopicSink> writers = 
-				 new ArrayList<UebTopicSink>(this.uebTopicSinks.values());
+				 new ArrayList<>(this.uebTopicSinks.values());
 		 return writers;
 	}
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusConsumer.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusConsumer.java
index 6122c5d0..edb03bba 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusConsumer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusConsumer.java
@@ -134,16 +134,12 @@ public interface BusConsumer {
 			}
 		}
 		
-		/**
-		 * {@inheritDoc}
-		 */
+		@Override
 		public Iterable<String> fetch() throws IOException {
 			return this.consumer.fetch();
 		}
 		
-		/**
-		 * {@inheritDoc}
-		 */
+		@Override
 		public void close() {
 			this.consumer.close();
 		}
@@ -159,9 +155,19 @@ public interface BusConsumer {
 	 */
 	public abstract class DmaapConsumerWrapper implements BusConsumer {	
 		
+		/**
+		 * logger
+		 */
 		private static Logger logger = LoggerFactory.getLogger(DmaapConsumerWrapper.class);
 		
+		/**
+		 * fetch timeout
+		 */
 		protected int fetchTimeout;
+		
+		/**
+		 * close condition
+		 */
 		protected Object closeCondition = new Object();
 			
 		/**
@@ -206,9 +212,6 @@ public interface BusConsumer {
 			this.consumer.setPassword(password);
 		}
 		
-		/**
-		 * {@inheritDoc}
-		 */
 		@Override
 		public Iterable<String> fetch() throws InterruptedException, IOException {
 			MRConsumerResponse response = this.consumer.fetchWithReturnConsumerResponse();
@@ -218,7 +221,7 @@ public interface BusConsumer {
 				synchronized (closeCondition) {
 					closeCondition.wait(fetchTimeout);
 				}
-				return new ArrayList<String>();
+				return new ArrayList<>();
 			} else {
 				logger.debug("DMaaP consumer received {} : {}" + 
 		                      response.getResponseCode(), 
@@ -234,19 +237,17 @@ public interface BusConsumer {
 					synchronized (closeCondition) {
 						closeCondition.wait(fetchTimeout);
 					}
+					
 					/* fall through */
 				}
 			}
 			
 			if (response.getActualMessages() == null)
-				return new ArrayList<String>();
+				return new ArrayList<>();
 			else
 				return response.getActualMessages();
 		}
 		
-		/**
-		 * {@inheritDoc}
-		 */
 		@Override
 		public void close() {
 			synchronized (closeCondition) {
@@ -308,7 +309,7 @@ public interface BusConsumer {
 			
 			// super constructor sets servers = {""} if empty to avoid errors when using DME2
 			if ((servers.size() == 1 && servers.get(0).equals("")) ||
-				(servers == null) || (servers.size() == 0)) {
+				(servers == null) || (servers.isEmpty())) {
 				throw new IllegalArgumentException("Must provide at least one host for HTTP AAF");
 			}
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/HttpServletServer.java b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/HttpServletServer.java
index da515af9..a40bad91 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/HttpServletServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/HttpServletServer.java
@@ -46,22 +46,22 @@ public interface HttpServletServer extends Startable {
 	 * 
 	 * @param servletPath servlet path
 	 * @param restClass JAX-RS API Class
+	 * 
 	 * @throws IllegalArgumentException unable to process because of invalid input
 	 * @throws IllegalStateException unable to process because of invalid state
 	 */
-	public void addServletClass(String servletPath, String restClass) 
-			throws IllegalArgumentException, IllegalStateException;
+	public void addServletClass(String servletPath, String restClass);
 
 	/**
 	 * adds a package containing JAX-RS classes to serve REST requests
 	 * 
 	 * @param servletPath servlet path
 	 * @param restPackage JAX-RS package to scan
+	 * 
 	 * @throws IllegalArgumentException unable to process because of invalid input
 	 * @throws IllegalStateException unable to process because of invalid state
 	 */
-	public void addServletPackage(String servletPath, String restPackage) 
-			throws IllegalArgumentException, IllegalStateException;
+	public void addServletPackage(String servletPath, String restPackage);
 	
 	/**
 	 * blocking start of the http server
@@ -70,8 +70,9 @@ public interface HttpServletServer extends Startable {
 	 * @return true if start was successful
 	 * 
 	 * @throws IllegalArgumentException if arguments are invalid
+	 * @throws InterruptedException if the blocking operation is interrupted
 	 */
-	public boolean waitedStart(long maxWaitTime) throws IllegalArgumentException;
+	public boolean waitedStart(long maxWaitTime) throws InterruptedException;
 	
 	
 	/**
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyJerseyServer.java b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyJerseyServer.java
index 0c724fc8..8d66807d 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyJerseyServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyJerseyServer.java
@@ -24,6 +24,7 @@ import java.net.UnknownHostException;
 import java.util.HashMap;
 
 import org.eclipse.jetty.servlet.ServletHolder;
+import org.onap.policy.drools.utils.NetworkUtil;
 import org.slf4j.LoggerFactory;
 import org.slf4j.Logger;
 
@@ -33,21 +34,41 @@ import io.swagger.jersey.config.JerseyJaxrsConfig;
  * REST Jetty Server that uses Jersey Servlets to support JAX-RS Web Services
  */
 public class JettyJerseyServer extends JettyServletServer {
+
+	/**
+	 * Swagger API Base Path
+	 */
+	protected static final String SWAGGER_API_BASEPATH = "swagger.api.basepath";
 	
 	/**
-	 * Jersey Packages Init Param Name
+	 * Swagger Context ID
 	 */
-	protected static final String JERSEY_INIT_PACKAGES_PARAM_NAME = "jersey.config.server.provider.packages";
+	protected static final String SWAGGER_CONTEXT_ID = "swagger.context.id";
 	
 	/**
-	 * Jersey Packages Init Param Value
+	 * Swagger Scanner ID
 	 */
-	protected static final String JERSEY_INIT_PACKAGES_PARAM_VALUE = "com.fasterxml.jackson.jaxrs.json";
+	protected static final String SWAGGER_SCANNER_ID = "swagger.scanner.id";
+	
+	/**
+	 * Swagger Pretty Print
+	 */
+	protected static final String SWAGGER_PRETTY_PRINT = "swagger.pretty.print";
 	
 	/**
 	 * Swagger Packages
 	 */
 	protected static final String SWAGGER_INIT_PACKAGES_PARAM_VALUE = "io.swagger.jaxrs.listing";
+
+	/**
+	 * Jersey Packages Init Param Name
+	 */
+	protected static final String JERSEY_INIT_PACKAGES_PARAM_NAME = "jersey.config.server.provider.packages";
+	
+	/**
+	 * Jersey Packages Init Param Value
+	 */
+	protected static final String JERSEY_INIT_PACKAGES_PARAM_VALUE = "com.fasterxml.jackson.jaxrs.json";
 	
 	/**
 	 * Jersey Classes Init Param Name
@@ -90,8 +111,7 @@ public class JettyJerseyServer extends JettyServletServer {
 	 * 
 	 * @throws IllegalArgumentException in invalid arguments are provided
 	 */
-	public JettyJerseyServer(String name, String host, int port, String contextPath, boolean swagger) 
-	       throws IllegalArgumentException {
+	public JettyJerseyServer(String name, String host, int port, String contextPath, boolean swagger) {
 		
 		super(name, host, port, contextPath);
 		if (swagger) {
@@ -108,20 +128,20 @@ public class JettyJerseyServer extends JettyServletServer {
 		ServletHolder swaggerServlet = context.addServlet(JerseyJaxrsConfig.class, "/");
 
 		String hostname = this.connector.getHost();
-		if (hostname == null || hostname.isEmpty() || hostname.equals("0.0.0.0")) {
+		if (hostname == null || hostname.isEmpty() || hostname.equals(NetworkUtil.IPv4_WILDCARD_ADDRESS)) {
 			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, e);
 				hostname = "localhost";
 			}
 		}
 
-		swaggerServlet.setInitParameter("swagger.api.basepath",
+		swaggerServlet.setInitParameter(SWAGGER_API_BASEPATH,
 				"http://" + hostname + ":" + this.connector.getPort() + "/");
-		swaggerServlet.setInitParameter("swagger.context.id", swaggerId);
-		swaggerServlet.setInitParameter("swagger.scanner.id", swaggerId);
-		swaggerServlet.setInitParameter("swagger.pretty.print", "true");
+		swaggerServlet.setInitParameter(SWAGGER_CONTEXT_ID, swaggerId);
+		swaggerServlet.setInitParameter(SWAGGER_SCANNER_ID, swaggerId);
+		swaggerServlet.setInitParameter(SWAGGER_PRETTY_PRINT, "true");
 		swaggerServlet.setInitOrder(2);
 		
         if (logger.isDebugEnabled())
@@ -136,8 +156,7 @@ public class JettyJerseyServer extends JettyServletServer {
 	 * 
 	 * @throws IllegalArgumentException if invalid arguments are provided
 	 */
-	protected synchronized ServletHolder getServlet(String servletPath)
-			  throws IllegalArgumentException {
+	protected synchronized ServletHolder getServlet(String servletPath) {
 		
 		ServletHolder jerseyServlet = servlets.get(servletPath);
 		if (jerseyServlet == null) {
@@ -151,8 +170,7 @@ public class JettyJerseyServer extends JettyServletServer {
 	}
 	
 	@Override
-	public synchronized void addServletPackage(String servletPath, String restPackage) 
-	       throws IllegalArgumentException, IllegalStateException {
+	public synchronized void addServletPackage(String servletPath, String restPackage) {
 		
     	if (restPackage == null || restPackage.isEmpty())
 			throw new IllegalArgumentException("No discoverable REST package provided");
@@ -175,8 +193,8 @@ public class JettyJerseyServer extends JettyServletServer {
 				               SWAGGER_INIT_PACKAGES_PARAM_VALUE + "," + 
 						       restPackage;
 				
-	        	jerseyServlet.setInitParameter("swagger.context.id", swaggerId);
-	    		jerseyServlet.setInitParameter("swagger.scanner.id", swaggerId);
+	        	jerseyServlet.setInitParameter(SWAGGER_CONTEXT_ID, swaggerId);
+	    		jerseyServlet.setInitParameter(SWAGGER_SCANNER_ID, swaggerId);
 			} else {
 				initPackages = JERSEY_INIT_PACKAGES_PARAM_VALUE + "," + 
 				               restPackage;
@@ -192,8 +210,7 @@ public class JettyJerseyServer extends JettyServletServer {
 	}
 	
 	@Override
-	public synchronized void addServletClass(String servletPath, String restClass) 
-		       throws IllegalArgumentException, IllegalStateException {
+	public synchronized void addServletClass(String servletPath, String restClass) {
 			
     	if (restClass == null || restClass.isEmpty())
 			throw new IllegalArgumentException("No discoverable REST class provided");
@@ -216,8 +233,8 @@ public class JettyJerseyServer extends JettyServletServer {
 						      SWAGGER_INIT_CLASSNAMES_PARAM_VALUE + "," + 
 				              restClass;
 				
-	        	jerseyServlet.setInitParameter("swagger.context.id", swaggerId);
-	    		jerseyServlet.setInitParameter("swagger.scanner.id", swaggerId);
+	        	jerseyServlet.setInitParameter(SWAGGER_CONTEXT_ID, swaggerId);
+	    		jerseyServlet.setInitParameter(SWAGGER_SCANNER_ID, swaggerId);
 			} else {
 				initClasses = JERSEY_JACKSON_INIT_CLASSNAMES_PARAM_VALUE + "," + restClass;
 			}			
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyServletServer.java b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyServletServer.java
index d803fe0e..66261349 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyServletServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/http/server/internal/JettyServletServer.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * policy-endpoints
+ * ONAP
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
@@ -39,28 +39,77 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
  */
 public abstract class JettyServletServer implements HttpServletServer, Runnable {
 	
+	/**
+	 * Logger
+	 */
 	private static Logger logger = LoggerFactory.getLogger(JettyServletServer.class);
 
+	/**
+	 * server name
+	 */
 	protected final String name;
 
+	/**
+	 * server host address
+	 */
 	protected final String host;
+	
+	/**
+	 * server port to bind
+	 */
 	protected final int port;
 	
+	/**
+	 * server auth user name
+	 */
 	protected String user;
+	
+	/**
+	 * server auth password name
+	 */
 	protected String password;
 	
+	/**
+	 * server base context path
+	 */
 	protected final String contextPath;
 	
+	/**
+	 * embedded jetty server
+	 */
 	protected final Server jettyServer;
+	
+	/**
+	 * servlet context
+	 */
 	protected final ServletContextHandler context;
+	
+	/**
+	 * jetty connector
+	 */
 	protected final ServerConnector connector;
 	
+	/**
+	 * jetty thread
+	 */
 	protected volatile Thread jettyThread;
 	
+	/**
+	 * start condition
+	 */
 	protected Object startCondition = new Object();
 	
-	public JettyServletServer(String name, String host, int port, String contextPath) 
-		   throws IllegalArgumentException {
+	/**
+	 * constructor
+	 * 
+	 * @param name server name
+	 * @param host server host
+	 * @param port server port
+	 * @param contextPath context path
+	 * 
+	 * @throws IllegalArgumentException if invalid parameters are passed in
+	 */
+	public JettyServletServer(String name, String host, int port, String contextPath) {
 			
 		if (name == null || name.isEmpty())
 			name = "http-" + port;
@@ -96,9 +145,6 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
         this.jettyServer.setHandler(context);
 	}
 	
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public void setBasicAuthentication(String user, String password, String servletPath) {
         if (user == null || user.isEmpty() || password == null || password.isEmpty()) 
@@ -135,7 +181,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	}
 	
 	/**
-	 * Jetty Server Execution
+	 * jetty server execution
 	 */
 	@Override
 	public void run() {
@@ -158,7 +204,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 	}
 	
 	@Override
-	public boolean waitedStart(long maxWaitTime) throws IllegalArgumentException {
+	public boolean waitedStart(long maxWaitTime) throws InterruptedException {
 		logger.info("{}: WAITED-START", this);
 		
 		if (maxWaitTime < 0)
@@ -191,7 +237,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 					
 				} catch (InterruptedException e) {
 					logger.warn("{}: waited-start has been interrupted", this);
-					return false;			
+					throw e;		
 				}
 			}
 			
@@ -199,11 +245,8 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 		}
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public boolean start() throws IllegalStateException {
+	public boolean start() {
 		logger.info("{}: STARTING", this);
 		
 		synchronized(this) {			
@@ -219,11 +262,8 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 		return true;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public boolean stop() throws IllegalStateException {
+	public boolean stop() {
 		logger.info("{}: STOPPING", this);
 		
 		synchronized(this) {
@@ -254,11 +294,8 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 		return true;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
-	public void shutdown() throws IllegalStateException {
+	public void shutdown() {
 		logger.info("{}: SHUTTING DOWN", this);
 		
 		this.stop();
@@ -270,16 +307,17 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 
 		if (jettyThreadCopy.isAlive()) {
 			try {
-				jettyThreadCopy.join(1000L);
+				jettyThreadCopy.join(2000L);
 			} catch (InterruptedException e) {
 				logger.warn("{}: error while shutting down management server", this);
+				Thread.currentThread().interrupt();
 			}
 			if (!jettyThreadCopy.isInterrupted()) {
 				try {
 					jettyThreadCopy.interrupt();
 				} catch(Exception e) {
 					// do nothing
-					logger.warn("{}: exception while shutting down (OK)", this);
+					logger.warn("{}: exception while shutting down (OK)", this, e);
 				}
 			}
 		}
@@ -287,9 +325,6 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
 		this.jettyServer.destroy();
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public boolean isAlive() {
 		if (this.jettyThread != null)