diff --git a/app/src/main/java/foundation/e/drive/database/DbHelper.java b/app/src/main/java/foundation/e/drive/database/DbHelper.java
index d1f94ee781423297c4ba95af632a4a9e9d625876..a5f4b0784bb7b10dad49b4ead9e46853cd492292 100644
--- a/app/src/main/java/foundation/e/drive/database/DbHelper.java
+++ b/app/src/main/java/foundation/e/drive/database/DbHelper.java
@@ -218,11 +218,13 @@ public final class DbHelper extends SQLiteOpenHelper {
      */
     public static long insertSyncedFolder(SyncedFolder mSyncedFolder, Context context){
         SyncedFolderDAO dao = openSyncedFolderDAO(context, true);
+        Log.e(TAG, "InsertSyncedFolder  :: "+mSyncedFolder.getLocalFolder());
         if(dao == null){
             Log.d(TAG+"_insertSyncedFolder", "dao is null");
             return -2;
         }
         long id = dao.insert(mSyncedFolder);
+        Log.e(TAG, "InsertSyncedFolder  ID:: "+id);
         dao.close();
         return id;
     }
diff --git a/app/src/main/java/foundation/e/drive/services/InitializerService.java b/app/src/main/java/foundation/e/drive/services/InitializerService.java
index 607edf9d813afa30631a4ad6c3cc7bad87daf2b6..b6bffc802ca845b3715c4a417bd828862535bef8 100644
--- a/app/src/main/java/foundation/e/drive/services/InitializerService.java
+++ b/app/src/main/java/foundation/e/drive/services/InitializerService.java
@@ -153,7 +153,12 @@ public class InitializerService extends Service implements OnRemoteOperationList
         for(int i=-1, size = categories.size(); ++i < size;){
             final String DEVICE_SPECIFIC_PATH = PATH_SEPARATOR+"Devices"+PATH_SEPARATOR+ Build.BRAND+"_"+ Build.MODEL+"_"
                     + Build.SERIAL;
+
+            Log.e(TAG, "test categories  :: "+ categories.get(i));
+            Log.e(TAG, "test getExternalFolder  :: "+ getExternalFolder(Environment.DIRECTORY_DCIM));
+
             switch ( categories.get(i) ){
+
                 case "Medias":
                     break;
                 case "Images":
diff --git a/app/src/main/java/foundation/e/drive/services/ObserverService.java b/app/src/main/java/foundation/e/drive/services/ObserverService.java
index 0cadf83c6381f3af6a8f861c12b9b59a78716d9b..c10552bfe614ca8c258ed4524bde4c92712d6f7b 100644
--- a/app/src/main/java/foundation/e/drive/services/ObserverService.java
+++ b/app/src/main/java/foundation/e/drive/services/ObserverService.java
@@ -80,7 +80,7 @@ public class ObserverService extends Service implements OnRemoteOperationListene
     
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        Log.i(TAG, "onStartCommand("+startId+")");
+        Log.e(TAG, "onStartCommand("+startId+")");
 
         CommonUtils.setServiceUnCaughtExceptionHandler(this);
 
@@ -130,7 +130,7 @@ public class ObserverService extends Service implements OnRemoteOperationListene
         //if time diff between current sync and last sync is higher or equal to delay minimum between two sync
         if( (currentTime - lastSyncTime ) <  INTERSYNC_MINIMUM_DELAY ){
             Log.w(TAG, "Delay between now and last call is too short");
-            return super.onStartCommand( intent, flags, startId );
+           // return super.onStartCommand( intent, flags, startId );
         }
 
         //check for the case where intent has been launched by initializerService
@@ -185,20 +185,25 @@ public class ObserverService extends Service implements OnRemoteOperationListene
      */
     private void clearCachedFile(){
         Log.i(TAG, "clearCachedFile()");
-        //Load subfiles into external cache file
-        File[] fileArray = this.getApplicationContext().getExternalCacheDir().listFiles(new OnlyFileFilter() );
-        if(fileArray != null) {
-            boolean toRemove;
-            for (int i = -1, size = fileArray.length; ++i < size; ) {
-                toRemove = true;
-                if (toRemove) {
-                    boolean deleteResult = fileArray[i].delete();
-                    Log.v(TAG+"_handleCachedFile()", "Deletion of cached file: " + deleteResult);
+        try{
+            //Load subfiles into external cache file
+            File[] fileArray = this.getApplicationContext().getExternalCacheDir().listFiles(new OnlyFileFilter() );
+            if(fileArray != null) {
+                boolean toRemove;
+                for (int i = -1, size = fileArray.length; ++i < size; ) {
+                    toRemove = true;
+                    if (toRemove) {
+                        boolean deleteResult = fileArray[i].delete();
+                        Log.v(TAG+"_handleCachedFile()", "Deletion of cached file: " + deleteResult);
+                    }
                 }
+            }else{
+                Log.e(TAG+"_handleCachedFile()", "Array of cached file is null");
             }
-        }else{
-            Log.e(TAG+"_handleCachedFile()", "Array of cached file is null");
+        }catch (Exception ex){
+            ex.printStackTrace();
         }
+
     }
 
     /**
@@ -208,7 +213,7 @@ public class ObserverService extends Service implements OnRemoteOperationListene
      **/
 
     private void startScan(boolean remote) {
-        Log.i(TAG, "startScan("+remote+")");
+        Log.e(TAG, "startScan("+remote+")");
         this.mSyncedFolders = loadSyncedFolders();
 
         if(mSyncedFolders.isEmpty() ){
diff --git a/app/src/main/java/foundation/e/drive/utils/JobUtils.java b/app/src/main/java/foundation/e/drive/utils/JobUtils.java
index 790427eb103bdd02a10a0b93fe760a1a2bc4c435..2008d86e0063381273ea6bf0e97588c825b873b8 100644
--- a/app/src/main/java/foundation/e/drive/utils/JobUtils.java
+++ b/app/src/main/java/foundation/e/drive/utils/JobUtils.java
@@ -31,12 +31,12 @@ public abstract class JobUtils {
      * @param context app or service context
      */
     public static void scheduleScannerJob(Context context){
-        Log.i(TAG, "scheduleJob");
+        Log.e(TAG, "scheduleJob");
         /* I. Start periodic checkup */
         ComponentName jobService = new ComponentName( context, ScannerJob.class );
 
         JobInfo job = new JobInfo.Builder(ScannerJobId, jobService )
-                .setPeriodic(1860000, 30000) //31git  minutes and 30 secondes
+                .setPeriodic(1*1000) //31git  minutes and 30 secondes
                 .setPersisted(true)
                 .setRequiredNetworkType( JobInfo.NETWORK_TYPE_ANY )
                 .build();