Several corrections.

src/main/java/fr/soleil/opcuaproxy/OpcUaProxy.java

@@ -86,9 +86,9 @@ public class OpcUaProxy {
 	 * Starts the server.
 	 */
 	public static void main(final String[] args) {
-		ServerManager.getInstance().addClass(OpcUaConnector.class.getCanonicalName(), OpcUaConnector.class);
-		ServerManager.getInstance().addClass(OpcUaSubscriber.class.getCanonicalName(), OpcUaSubscriber.class);
-		ServerManager.getInstance().start(args, OpcUaProxy.class.getCanonicalName());
+		ServerManager.getInstance().addClass(OpcUaConnector.class.getSimpleName(), OpcUaConnector.class);
+		ServerManager.getInstance().addClass(OpcUaSubscriber.class.getSimpleName(), OpcUaSubscriber.class);
+		ServerManager.getInstance().start(args, OpcUaProxy.class.getSimpleName());
 	}
 
 	public static final String NO_DB_DEVICE_NAME = "1/1/1";

src/main/java/fr/soleil/opcuaproxy/connector/OpcUaConnector.java

@@ -2,6 +2,7 @@ package fr.soleil.opcuaproxy.connector;
 
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
@@ -365,6 +366,14 @@ public class OpcUaConnector extends AOpcUaSubscriber {
 		this.state = state;
 	}
 
+	public String[] getAsyncReplyResultAttribute() {
+        String[] res = null;
+        synchronized (asyncReplyResultAttribute) {
+            res = Arrays.copyOf(asyncReplyResultAttribute, asyncReplyResultAttribute.length);
+        }
+        return res;
+    }
+
 	public String getStatus() {
 		return status;
 	}

src/main/java/fr/soleil/opcuaproxy/subscriber/OpcUaSubscriber.java

@@ -29,6 +29,7 @@ import fr.soleil.opcuaproxy.OpcUaProxy;
 import fr.soleil.opcuaproxy.attributes.OpcUaAttribute;
 import fr.soleil.opcuaproxy.attributes.OpcUaAttributeParameters;
 import fr.soleil.opcuaproxy.attributes.definition.AttributeDefinition;
+import fr.soleil.opcuaproxy.attributes.definition.NodeType.NodeIdType;
 import fr.soleil.opcuaproxy.attributes.definition.OpcUaAttributesSubscriptions;
 import fr.soleil.opcuaproxy.attributes.definition.Subscription;
 import fr.soleil.opcuaproxy.connector.OpcUaConnector;
@@ -38,9 +39,12 @@ import fr.soleil.opcuaproxy.connector.SubscriptionResult;
 public class OpcUaSubscriber extends AOpcUaSubscriber {
 
 	private static final Logger logger = LoggerFactory.getLogger(OpcUaSubscriber.class);
+	private static final int DEFAULT_NAMESPACE_INDEX = 1;
+	private static final NodeIdType DEFAULT_OPCUA_ID_TYPE = NodeIdType.STRING;
+	private static final double DEFAULT_SAMPLING_INTERVAL = 1000.0;
 
 	@DeviceProperty(defaultValue = "", description = "The device configuration in JSON format")
-	private String subscriptionsJson;
+	private String[] subscriptionsJson;
 
 	/**
 	 * Manage dynamic attributes and commands
@@ -84,22 +88,42 @@ public class OpcUaSubscriber extends AOpcUaSubscriber {
 		// DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
 		// mapper.setDateFormat(df);
 		OpcUaAttributesSubscriptions subscriptions = null;
-		if (subscriptionsJson != null && !subscriptionsJson.isEmpty()) {
+		if (subscriptionsJson != null && subscriptionsJson.length > 0) {
+			StringBuilder subscriptionsDefinitionStrBldr = new StringBuilder();
+			for (String subPart : subscriptionsJson) {
+				subscriptionsDefinitionStrBldr.append(subPart);
+				subscriptionsDefinitionStrBldr.append("\n");
+			}
 			try {
-				subscriptions = mapper.readValue(subscriptionsJson, OpcUaAttributesSubscriptions.class);
+				subscriptions = mapper.readValue(subscriptionsDefinitionStrBldr.toString(),
+						OpcUaAttributesSubscriptions.class);
 			} catch (JsonProcessingException e) {
 				logger.error("Parsing error for device " + deviceManager.getName(), e);
 				throw DevFailedUtils.newDevFailed(e);
 			}
 		}
 
+		if (subscriptions != null) {
+			int defaultNamespaceIndex = DEFAULT_NAMESPACE_INDEX;
+			NodeIdType defaultOpcUaIdType = DEFAULT_OPCUA_ID_TYPE;
+			double defaultSamplingIndex = DEFAULT_SAMPLING_INTERVAL;
+
+			if (subscriptions.getDefaultType() != null) {
+				defaultOpcUaIdType = subscriptions.getDefaultType();
+			}
+			if (subscriptions.getDefaultNamespaceIndex() != null) {
+				defaultNamespaceIndex = subscriptions.getDefaultNamespaceIndex();
+			}
+			if (subscriptions.getDefaultSamplingInterval() != null) {
+				defaultSamplingIndex = subscriptions.getDefaultSamplingInterval();
+			}
+
 			List<SubscriptionResult> subscriptionResults = new ArrayList<>(subscriptions.getSubscriptions().size());
 			for (Subscription subscription : subscriptions.getSubscriptions()) {
 				List<OpcUaAttributeParameters> parametersList = new ArrayList<>(subscription.getAttributes().size());
 				for (AttributeDefinition attrDef : subscription.getAttributes()) {
-				OpcUaAttributeParameters parameters = new OpcUaAttributeParameters(attrDef,
-						subscriptions.getDefaultType(), subscriptions.getDefaultNamespaceIndex(),
-						subscriptions.getDefaultSamplingInterval());
+					OpcUaAttributeParameters parameters = new OpcUaAttributeParameters(attrDef, defaultOpcUaIdType,
+							defaultNamespaceIndex, defaultSamplingIndex);
 					parametersList.add(parameters);
 				}
 				SubscriptionResult subscriptionResult = connector.createOPCUAAttributes(parametersList,
@@ -107,6 +131,8 @@ public class OpcUaSubscriber extends AOpcUaSubscriber {
 				subscriptionResults.add(subscriptionResult);
 			}
 			createTangoAttributes(subscriptionResults);
+		}
+		setStatus("Initialisation done.");
 		logger.debug("init done for device {} ", deviceManager.getName());
 	}
 
@@ -125,11 +151,23 @@ public class OpcUaSubscriber extends AOpcUaSubscriber {
 		return deviceManager;
 	}
 
+	public void setDeviceManager(DeviceManager deviceManager) {
+		this.deviceManager = deviceManager;
+	}
+
 	@Override
 	protected Logger getLogger() {
 		return logger;
 	}
 
+	public String[] getSubscriptionsJson() {
+		return subscriptionsJson;
+	}
+
+	public void setSubscriptionsJson(String[] subscriptionsJson) {
+		this.subscriptionsJson = subscriptionsJson;
+	}
+
 	public void setDynamicManager(DynamicManager dynamicManager) {
 		this.dynamicManager = dynamicManager;
 	}