diff --git a/application/src/test/java/org/thingsboard/server/controller/AbstractControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/AbstractControllerTest.java
index 8be6105e35..fb220c1417 100644
--- a/application/src/test/java/org/thingsboard/server/controller/AbstractControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/AbstractControllerTest.java
@@ -22,6 +22,7 @@ import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Header;
 import io.jsonwebtoken.Jwt;
 import io.jsonwebtoken.Jwts;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.hamcrest.Matcher;
 import org.junit.After;
@@ -85,6 +86,7 @@ import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppC
 @ComponentScan({"org.thingsboard.server"})
 @WebAppConfiguration
 @SpringBootTest
+@Slf4j
 public abstract class AbstractControllerTest {
 
     protected static final String TEST_TENANT_NAME = "TEST TENANT";
@@ -130,6 +132,7 @@ public abstract class AbstractControllerTest {
     
     @Before
     public void setup() throws Exception {
+        log.info("Executing setup");
         if (this.mockMvc == null) {
             this.mockMvc = webAppContextSetup(webApplicationContext)
                     .apply(springSecurity()).build();
@@ -163,13 +166,16 @@ public abstract class AbstractControllerTest {
         createUserAndLogin(customerUser, CUSTOMER_USER_PASSWORD);
 
         logout();
+        log.info("Executed setup");
     }
 
     @After
     public void teardown() throws Exception {
+        log.info("Executing teardown");
         loginSysAdmin();
         doDelete("/api/tenant/"+tenantId.getId().toString())
                 .andExpect(status().isOk());
+        log.info("Executed teardown");
     }
 
     protected void loginSysAdmin() throws Exception {
diff --git a/application/src/test/java/org/thingsboard/server/controller/BaseAdminControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/BaseAdminControllerTest.java
index 5047c36189..f7153d565b 100644
--- a/application/src/test/java/org/thingsboard/server/controller/BaseAdminControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/BaseAdminControllerTest.java
@@ -15,19 +15,14 @@
  */
 package org.thingsboard.server.controller;
 
-import static org.hamcrest.Matchers.containsString;
-import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.notNullValue;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
-
-import org.thingsboard.server.common.data.AdminSettings;
-import org.junit.Test;
-
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Test;
+import org.thingsboard.server.common.data.AdminSettings;
+
+import static org.hamcrest.Matchers.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
 
 public abstract class BaseAdminControllerTest extends AbstractControllerTest {
 
diff --git a/application/src/test/resources/logback.xml b/application/src/test/resources/logback.xml
index 2577ca19c6..4a43f1ddb7 100644
--- a/application/src/test/resources/logback.xml
+++ b/application/src/test/resources/logback.xml
@@ -7,8 +7,9 @@
         </encoder>
     </appender>
 
-    <logger name="org.thingsboard.server" level="WARN"/>
+    <logger name="org.thingsboard.server" level="INFO"/>
     <logger name="org.springframework" level="WARN"/>
+    <logger name="org.springframework.boot.test" level="DEBUG"/>
     <logger name="org.apache.cassandra" level="WARN"/>
     <logger name="org.cassandraunit" level="INFO"/>
 
diff --git a/pom.xml b/pom.xml
index ce8f1e1ae2..2c4bcbd0bb 100755
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <json-path.version>2.2.0</json-path.version>
         <junit.version>4.12</junit.version>
         <slf4j.version>1.7.7</slf4j.version>
-        <logback.version>1.1.7</logback.version>
+        <logback.version>1.2.3</logback.version>
         <mockito.version>1.9.5</mockito.version>
         <rat.version>0.10</rat.version>
         <cassandra.version>3.0.0</cassandra.version>
diff --git a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewaySessionCtx.java b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewaySessionCtx.java
index 197734460e..2dd1c5df21 100644
--- a/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewaySessionCtx.java
+++ b/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewaySessionCtx.java
@@ -55,6 +55,7 @@ import static org.thingsboard.server.transport.mqtt.adaptors.JsonMqttAdaptor.val
 @Slf4j
 public class GatewaySessionCtx {
 
+    private static final String DEFAULT_DEVICE_TYPE = "default";
     private final Device gateway;
     private final SessionId gatewaySessionId;
     private final SessionMsgProcessor processor;
@@ -78,6 +79,11 @@ public class GatewaySessionCtx {
         JsonElement json = getJson(msg);
         String deviceName = checkDeviceName(getDeviceName(json));
         String deviceType = getDeviceType(json);
+        onDeviceConnect(deviceName, deviceType);
+        ack(msg);
+    }
+
+    private void onDeviceConnect(String deviceName, String deviceType) {
         if (!devices.containsKey(deviceName)) {
             Optional<Device> deviceOpt = deviceService.findDeviceByTenantIdAndName(gateway.getTenantId(), deviceName);
             Device device = deviceOpt.orElseGet(() -> {
@@ -95,7 +101,6 @@ public class GatewaySessionCtx {
             processor.process(new BasicToDeviceActorSessionMsg(device, new BasicAdaptorToSessionActorMsg(ctx, new AttributesSubscribeMsg())));
             processor.process(new BasicToDeviceActorSessionMsg(device, new BasicAdaptorToSessionActorMsg(ctx, new RpcSubscribeMsg())));
         }
-        ack(msg);
     }
 
     public void onDeviceDisconnect(MqttPublishMessage msg) throws AdaptorException {
@@ -205,10 +210,9 @@ public class GatewaySessionCtx {
     private String checkDeviceConnected(String deviceName) {
         if (!devices.containsKey(deviceName)) {
             log.debug("[{}] Missing device [{}] for the gateway session", gatewaySessionId, deviceName);
-            throw new RuntimeException("Device " + deviceName + " is not connected!");
-        } else {
-            return deviceName;
+            onDeviceConnect(deviceName, DEFAULT_DEVICE_TYPE);
         }
+        return deviceName;
     }
 
     private String checkDeviceName(String deviceName) {
@@ -225,7 +229,7 @@ public class GatewaySessionCtx {
 
     private String getDeviceType(JsonElement json) throws AdaptorException {
         JsonElement type = json.getAsJsonObject().get("type");
-        return type == null ? "default" : type.getAsString();
+        return type == null ? DEFAULT_DEVICE_TYPE : type.getAsString();
     }
 
     private JsonElement getJson(MqttPublishMessage mqttMsg) throws AdaptorException {
@@ -236,7 +240,7 @@ public class GatewaySessionCtx {
         return processor;
     }
 
-    protected DeviceAuthService getAuthService() {
+    DeviceAuthService getAuthService() {
         return authService;
     }
 
@@ -250,7 +254,7 @@ public class GatewaySessionCtx {
         }
     }
 
-    protected void writeAndFlush(MqttMessage mqttMessage) {
+    void writeAndFlush(MqttMessage mqttMessage) {
         channel.writeAndFlush(mqttMessage);
     }