diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/pom.xml b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/pom.xml
index 932265189f6..bd2a14ba47e 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/pom.xml
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/pom.xml
@@ -42,7 +42,6 @@
             <plugin>
                 <groupId>org.apache.felix</groupId>
                 <artifactId>maven-bundle-plugin</artifactId>
-                <version>3.0.1</version>
                 <extensions>true</extensions>
                 <configuration>
                     <instructions>
@@ -50,9 +49,7 @@
                         <Bundle-Name>${project.artifactId}</Bundle-Name>
                         <Bundle-Version>${carbon.device.mgt.version}</Bundle-Version>
                         <Bundle-Description>Application Management Core Bundle</Bundle-Description>
-                        <Private-Package>
-                            org.wso2.carbon.device.application.mgt.core.internal
-                        </Private-Package>
+                        <Private-Package>org.wso2.carbon.device.application.mgt.core.internal</Private-Package>
                         <Import-Package>
                             org.osgi.framework,
                             org.osgi.service.component,
@@ -81,7 +78,8 @@
                             org.apache.commons.codec.binary;version="${commons-codec.wso2.osgi.version.range}",
                             org.apache.commons.codec.digest;version="${commons-codec.wso2.osgi.version.range}",
                             org.wso2.carbon.base,
-                            net.dongliu.apk.parser.*
+                            com.dd.*,
+                            org.apache.commons.validator.routines
                         </Import-Package>
                         <Embed-Dependency>apk-parser;scope=compile|runtime;inline=false</Embed-Dependency>
                         <!--<Embed-Transitive>true</Embed-Transitive>-->
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/Extension.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/Extension.java
index 07e3b09a851..593ecd4a99c 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/Extension.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/Extension.java
@@ -81,7 +81,7 @@ public class Extension {
         ApplicationManager,
         ApplicationReleaseManager,
         CategoryManager,
-        CommentsManager,
+        ReviewManager,
         LifecycleStateManager,
         PlatformManager,
         VisibilityTypeManager,
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java
index b82057447f7..1717be58c6f 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java
@@ -27,7 +27,7 @@ import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
 import org.wso2.carbon.device.application.mgt.core.dao.SubscriptionDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.common.ApplicationManagementDAOFactory;
-import org.wso2.carbon.device.application.mgt.core.util.ApplicationManagementUtil;
+import org.wso2.carbon.device.application.mgt.core.internal.DataHolder;
 import org.wso2.carbon.device.application.mgt.core.util.ConnectionManagerUtil;
 import org.wso2.carbon.device.application.mgt.core.util.HelperUtil;
 import org.wso2.carbon.device.mgt.common.Device;
@@ -68,7 +68,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         if (log.isDebugEnabled()) {
             log.debug("Install application: " + applicationUUID + " to " + deviceList.size() + "devices.");
         }
-        ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
+        ApplicationManager applicationManager = DataHolder.getInstance().getApplicationManager();
         Application application = applicationManager.getApplicationByRelease(applicationUUID);
 
         return installApplication(application, deviceList);
@@ -80,7 +80,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         if (log.isDebugEnabled()) {
             log.debug("Install application: " + applicationUUID + " to " + userList.size() + " users.");
         }
-        ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
+        ApplicationManager applicationManager = DataHolder.getInstance().getApplicationManager();
         Application application = applicationManager.getApplicationByRelease(applicationUUID);
         List<DeviceIdentifier> deviceList = new ArrayList<>();
         for (String user : userList) {
@@ -121,7 +121,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         if (log.isDebugEnabled()) {
             log.debug("Install application: " + applicationUUID + " to " + roleList.size() + " roles.");
         }
-        ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
+        ApplicationManager applicationManager = DataHolder.getInstance().getApplicationManager();
         Application application = applicationManager.getApplicationByRelease(applicationUUID);
         List<DeviceIdentifier> deviceList = new ArrayList<>();
         for (String role : roleList) {
@@ -162,7 +162,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         if (log.isDebugEnabled()) {
             log.debug("Install application: " + applicationUUID + " to " + deviceGroupList.size() + " groups.");
         }
-        ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
+        ApplicationManager applicationManager = DataHolder.getInstance().getApplicationManager();
         Application application = applicationManager.getApplicationByRelease(applicationUUID);
         GroupManagementProviderService groupManagementProviderService = HelperUtil.getGroupManagementProviderService();
         List<DeviceGroup> groupList = new ArrayList<>();
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ServiceComponent.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ApplicationManagementServiceComponent.java
similarity index 89%
rename from components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ServiceComponent.java
rename to components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ApplicationManagementServiceComponent.java
index e2224b2c30d..cf891d5d1c7 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ServiceComponent.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ApplicationManagementServiceComponent.java
@@ -63,21 +63,26 @@ import java.util.List;
  * bind="setDataSourceService"
  * unbind="unsetDataSourceService"
  */
-public class ServiceComponent {
+public class ApplicationManagementServiceComponent {
 
-    private static Log log = LogFactory.getLog(ServiceComponent.class);
+    private static Log log = LogFactory.getLog(ApplicationManagementServiceComponent.class);
 
 
-    protected void activate(ComponentContext componentContext) throws NamingException {
+    @SuppressWarnings("unused")
+    protected void activate(ComponentContext componentContext) {
+
+        log.info("CALLING ACTIVATE   .............");
         BundleContext bundleContext = componentContext.getBundleContext();
         try {
-            String datasourceName = ConfigurationManager.getInstance().getConfiguration().getDatasourceName();
+            String dataSourceName = ConfigurationManager.getInstance().getConfiguration().getDatasourceName();
+            ApplicationManagementDAOFactory.init(dataSourceName);
+//            ApplicationManagementDAOFactory.initDatabases();
 
             ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
             DataHolder.getInstance().setApplicationManager(applicationManager);
             bundleContext.registerService(ApplicationManager.class.getName(), applicationManager, null);
 
-            ReviewManager reviewManager = ApplicationManagementUtil.getCommentsManagerInstance();
+            ReviewManager reviewManager = ApplicationManagementUtil.getReviewManagerInstance();
             DataHolder.getInstance().setReviewManager(reviewManager);
             bundleContext.registerService(ReviewManager.class.getName(), reviewManager, null);
 
@@ -94,19 +99,14 @@ public class ServiceComponent {
             DataHolder.getInstance().setApplicationStorageManager(applicationStorageManager);
             bundleContext.registerService(ApplicationStorageManager.class.getName(), applicationStorageManager, null);
 
-            ApplicationManagementDAOFactory.init(datasourceName);
-            ApplicationManagementDAOFactory.initDatabases();
-
             List<LifecycleState> lifecycleStates = ConfigurationManager.getInstance().
                     getConfiguration().getLifecycleStates();
             LifecycleStateManger lifecycleStateManger = new LifecycleStateManger(lifecycleStates);
             DataHolder.getInstance().setLifecycleStateManger(lifecycleStateManger);
 
             log.info("ApplicationManagement core bundle has been successfully initialized");
-        } catch (InvalidConfigurationException e) {
-            log.error("Error while activating Application Management core component. ", e);
-        } catch (ApplicationManagementDAOException e) {
-            log.error("Error while activating Application Management core component.Failed to create the database ", e);
+        } catch (Throwable e) {
+            log.error("Error occurred while initializing app management core bundle", e);
         }
     }
 
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
index 4127696e30c..488f8147b57 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
@@ -45,9 +45,9 @@ public class ApplicationManagementUtil {
         return getInstance(extension, ApplicationManager.class);
     }
 
-    public static ReviewManager getCommentsManagerInstance() throws InvalidConfigurationException {
+    public static ReviewManager getReviewManagerInstance() throws InvalidConfigurationException {
         ConfigurationManager configurationManager = ConfigurationManager.getInstance();
-        Extension extension = configurationManager.getExtension(Extension.Name.CommentsManager);
+        Extension extension = configurationManager.getExtension(Extension.Name.ReviewManager);
         return getInstance(extension, ReviewManager.class);
     }
 
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java
index 65decec77f1..fccdc8a86c3 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java
@@ -149,6 +149,9 @@ public class DeviceManagementServiceComponent {
 
     @SuppressWarnings("unused")
     protected void activate(ComponentContext componentContext) {
+
+        log.info("CALLING Crazy   .............");
+
         try {
             if (log.isDebugEnabled()) {
                 log.debug("Initializing device management core bundle");
diff --git a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/pom.xml b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/pom.xml
index f70e66d5425..ac05f5cac14 100644
--- a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/pom.xml
+++ b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/pom.xml
@@ -30,6 +30,7 @@
     <artifactId>org.wso2.carbon.device.application.mgt.server.feature</artifactId>
     <packaging>pom</packaging>
     <version>3.1.40-SNAPSHOT</version>
+
     <name>WSO2 Carbon - Application Management Server Feature</name>
     <url>http://wso2.org</url>
     <description>This feature contains the core bundles required for Back-end Application Management functionality
@@ -44,6 +45,18 @@
             <groupId>org.wso2.carbon.devicemgt</groupId>
             <artifactId>org.wso2.carbon.device.application.mgt.core</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.googlecode.plist</groupId>
+            <artifactId>dd-plist</artifactId>
+            <version>${googlecode.plist.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-validator</groupId>
+            <artifactId>commons-validator</artifactId>
+            <version>${commons-validator.version}</version>
+        </dependency>
+
         <!--<dependency>-->
             <!--<groupId>javax.servlet.jsp</groupId>-->
             <!--<artifactId>javax.servlet.jsp-api</artifactId>-->
@@ -122,6 +135,12 @@
                                 <bundleDef>
                                     org.wso2.carbon.devicemgt:org.wso2.carbon.device.application.mgt.core:${carbon.device.mgt.version}
                                 </bundleDef>
+                                <bundleDef>
+                                    com.googlecode.plist:dd-plist:${googlecode.plist.version}
+                                </bundleDef>
+                                <bundleDef>
+                                    commons-validator:commons-validator:${commons-validator.version}
+                                </bundleDef>
                                 <!--<bundleDef>javax.servlet.jsp:javax.servlet.jsp-api</bundleDef>-->
                                 <!--<bundleDef>org.wso2.orbit.org.scannotation:scannotation:${scannotation.version}</bundleDef>-->
                             </bundles>
@@ -136,4 +155,7 @@
             </plugin>
         </plugins>
     </build>
+    <properties>
+        <commons-validator.version>1.6</commons-validator.version>
+    </properties>
 </project>
diff --git a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/conf/application-mgt.xml b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/conf/application-mgt.xml
index cfe2145e561..9bcbcf4fa49 100644
--- a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/conf/application-mgt.xml
+++ b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/conf/application-mgt.xml
@@ -31,8 +31,8 @@
         <Extension name="CategoryManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.CategoryManagerImpl</ClassName>
         </Extension>
-        <Extension name="CommentsManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.CommentsManagerImpl</ClassName>
+        <Extension name="ReviewManager">
+            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ReviewManagerImpl</ClassName>
         </Extension>
         <Extension name="LifecycleStateManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.LifecycleStateManagerImpl</ClassName>
diff --git a/pom.xml b/pom.xml
index de54d162441..b96ebfe0fc5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1840,7 +1840,7 @@
                 <plugin>
                     <groupId>org.apache.felix</groupId>
                     <artifactId>maven-bundle-plugin</artifactId>
-                    <version>2.3.5</version>
+                    <version>2.5.3</version>
                     <extensions>true</extensions>
                     <configuration>
                         <obrRepository>NONE</obrRepository>