Fix lifecycle instance initiating issue

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -927,6 +927,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
             throw new ApplicationManagementException("Failed to get application and application management", e);
         } catch (LifeCycleManagementDAOException e) {
             throw new ApplicationManagementException("Failed to get lifecycle state from database", e);
+        } finally {
+            ConnectionManagerUtil.closeDBConnection();
         }
         return lifecycleState;
     }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ApplicationManagementServiceComponent.java

@@ -77,6 +77,13 @@ public class ApplicationManagementServiceComponent {
             ApplicationManagementDAOFactory.init(dataSourceName);
 //            ApplicationManagementDAOFactory.initDatabases();
 
+            List<LifecycleState> lifecycleStates = ConfigurationManager.getInstance().
+                    getConfiguration().getLifecycleStates();
+            LifecycleStateManger lifecycleStateManger = ApplicationManagementUtil.getLifecycleStateMangerInstance();
+            lifecycleStateManger.init(lifecycleStates);
+            DataHolder.getInstance().setLifecycleStateManger(lifecycleStateManger);
+            bundleContext.registerService(LifecycleStateManger.class.getName(), lifecycleStateManger, null);
+
             ApplicationManager applicationManager = ApplicationManagementUtil.getApplicationManagerInstance();
             DataHolder.getInstance().setApplicationManager(applicationManager);
             bundleContext.registerService(ApplicationManager.class.getName(), applicationManager, null);
@@ -94,12 +101,6 @@ public class ApplicationManagementServiceComponent {
             DataHolder.getInstance().setApplicationStorageManager(applicationStorageManager);
             bundleContext.registerService(ApplicationStorageManager.class.getName(), applicationStorageManager, null);
 
-            List<LifecycleState> lifecycleStates = ConfigurationManager.getInstance().
-                    getConfiguration().getLifecycleStates();
-            LifecycleStateManger lifecycleStateManger = new LifecycleStateManger(lifecycleStates);
-            DataHolder.getInstance().setLifecycleStateManger(lifecycleStateManger);
-            bundleContext.registerService(LifecycleStateManger.class.getName(), lifecycleStateManger, null);
-
             UIConfiguration uiConfiguration = ConfigurationManager.getInstance().
                     getConfiguration().getUiConfiguration();
             ConfigManager configManager = new ConfigManagerImpl(uiConfiguration);

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/lifecycle/LifecycleStateManger.java

@@ -15,7 +15,7 @@ public class LifecycleStateManger {
 
     private Map<String, State> lifecycleStates;
 
-    public LifecycleStateManger(List<LifecycleState> states) {
+    public void init(List<LifecycleState> states){
         lifecycleStates = new HashMap<>();
         for (LifecycleState s : states) {
             if (s.getProceedingStates() != null) {

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java

@@ -27,6 +27,7 @@ import org.wso2.carbon.device.application.mgt.common.services.ReviewManager;
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
 import org.wso2.carbon.device.application.mgt.core.config.ConfigurationManager;
 import org.wso2.carbon.device.application.mgt.core.config.Extension;
+import org.wso2.carbon.device.application.mgt.core.lifecycle.LifecycleStateManger;
 
 import java.lang.reflect.Constructor;
 
@@ -63,6 +64,12 @@ public class ApplicationManagementUtil {
         return getInstance(extension, ApplicationStorageManager.class);
     }
 
+    public static LifecycleStateManger getLifecycleStateMangerInstance() throws InvalidConfigurationException {
+        ConfigurationManager configurationManager = ConfigurationManager.getInstance();
+        Extension extension = configurationManager.getExtension(Extension.Name.LifecycleStateManager);
+        return getInstance(extension, LifecycleStateManger.class);
+    }
+
     private static <T> T getInstance(Extension extension, Class<T> cls) throws InvalidConfigurationException {
         try {
             Class theClass = Class.forName(extension.getClassName());

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/test/java/org.wso2.carbon.device.application.mgt.core/LifecycleManagementTest.java

@@ -25,7 +25,8 @@ public class LifecycleManagementTest {
         ConfigurationManager configurationManager = ConfigurationManager.getInstance();
         Configuration configuration = configurationManager.getConfiguration();
         lifecycleStates = configuration.getLifecycleStates();
-        lifecycleStateManger = new LifecycleStateManger(lifecycleStates);
+        lifecycleStateManger = new LifecycleStateManger();
+        lifecycleStateManger.init(lifecycleStates);
     }
 
     @Test