Update with loading configuration

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/service/impl/DeviceManagementServiceImpl.java

@@ -181,7 +181,7 @@ public class DeviceManagementServiceImpl implements DeviceManagementService {
         
         // Load the configuration file
         Properties config = new Properties();
-        try (FileInputStream configFile = new FileInputStream("config.json")) {
+        try (FileInputStream configFile = new FileInputStream("components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/conf/config.json")) {
             config.load(configFile);
         } catch (IOException e) {
             e.printStackTrace();