diff --git a/.env b/.env
index 1f3824846a..60ac9edbea 100644
--- a/.env
+++ b/.env
@@ -14,7 +14,7 @@ MYSQL_ROOT_PASSWORD=root
 SERVER_NAME=phraseanet-docker
 
 
-# --------------- APPLICATION CONFIGURATION  --------------------
+# --------------- PHP CONFIGURATION  --------------------
 
 # Max upload size
 MAX_BODY_SIZE=2G
@@ -29,26 +29,41 @@ SESSION_CACHE_LIMITER=off
 # PHP LOG LEVEL : Possible Values: alert, error, warning, notice, debug
 PHP_LOG_LEVEL=warning
 
-# --------------- APPLICATION STARTUP CONFIGURATION  --------------------
+# --------------- PHRASEANET CONFIGURATION --------------------
 
-# These variables are only used if the configuration.yml file is not present, in order to automate the installation procedure
+# These variables are used in the configuration.yml .
 
 # set here the first user / email couple
-INSTALL_ACCOUNT_EMAIL=admin@alchemy.fr
-INSTALL_ACCOUNT_PASSWORD=iJRqXU0MwbyJewQLBbra6IWHsWly
+PHRASEANET_ADMIN_ACCOUNT_EMAIL=admin@alchemy.fr
+PHRASEANET_ADMIN_ACCOUNT_PASSWORD=iJRqXU0MwbyJewQLBbra6IWHsWly
 # Database parameters
-INSTALL_DB_HOST=db
-INSTALL_DB_PORT=3306
-INSTALL_DB_USER=root
-INSTALL_DB_PASSWORD=root
-INSTALL_DB_TEMPLATE=en-simple
+PHRASEANET_DB_HOST=db
+PHRASEANET_DB_PORT=3306
+PHRASEANET_DB_USER=root
+PHRASEANET_DB_PASSWORD=root
+INSTALL_DB_TEMPLATE=DublinCore
 INSTALL_APPBOX=ab_master
 INSTALL_DATABOX=db_databox1
-INSTALL_SERVER_NAME=localhost
+PHRASEANET_SERVER_NAME=localhost
 
 # Mysql max allowed packet
 MYSQL_MAX_ALLOWED_PACKET=16M
 
+# api
+PHRASEANET_API_ENABLED=true
+PHRASEANET_API_SSL=true
+
+# Phraseanet mail configuration
+PHRASEANET_EMITTER_EMAIL=phraseanet@example.com
+PHRASEANET_MAIL_OBJECT_PREFIX=
+PHRASEANET_SMTP_ENABLED=false
+PHRASEANET_SMTP_HOST=
+PHRASEANET_SMTP_PORT=
+PHRASEANET_SMTP_AUTH_ENABLED=false
+PHRASEANET_SMTP_SECURE_MODE=tls
+PHRASEANET_SMTP_USER=
+PHRASEANET_SMTP_PASSWORD=
+
 
 # --- DEV purpose ---
 
@@ -63,7 +78,7 @@ PHRASEANET_SUBNET_IPS=172.32.0.0/16
 XDEBUG_REMOTE_HOST=172.32.0.1
 PHP_IDE_CONFIG=serverName=docker-server-phraseanet
 
-# Volumes location for dev
+# Volumes location 
 PHRASEANET_CONFIG_DIR=./config
 PHRASEANET_LOGS_DIR=./logs
 PHRASEANET_DATA_DIR=./datas
@@ -73,6 +88,11 @@ PHRASEANET_THUMBNAILS_DIR=./www/thumbnails
 PHRASEANET_CUSTOM_DIR=./www/custom
 PHRASEANET_TMP_DIR=./tmp
 PHRASEANET_CACHE_DIR=./cache
+PHRASEANET_DOWNLOAD_DIR=./datas/download
+PHRASEANET_LAZARET_DIR=./datas/lazaret
+PHRASEANET_CAPTION_DIR=./tmp/caption
+PHRASEANET_WORKER_TMP=./tmp/worker
+
 
 
 # For dev who don't have SSH_AUTH_SOCK (avoid an empty volume name)
diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index ef5b56c55f..838e32e64c 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -35,6 +35,7 @@ services:
       - ${PHRASEANET_DATA_DIR}:/var/alchemy/Phraseanet/datas:rw
       - ${PHRASEANET_THUMBNAILS_DIR}:/var/alchemy/Phraseanet/www/thumbnails:rw
       - ${PHRASEANET_CUSTOM_DIR}:/var/alchemy/Phraseanet/www/custom:rw
+      - ${PHRASEANET_CACHE_DIR}:/var/alchemy/Phraseanet/cache:rw
       - ${SSH_AUTH_SOCK}:/ssh-auth-sock
       - ${HOME}/.ssh:/home/app/.ssh
       - dev_vol:/home/app
@@ -54,7 +55,8 @@ services:
     - ${PHRASEANET_DATA_DIR}:/var/alchemy/Phraseanet/datas:rw
     - ${PHRASEANET_THUMBNAILS_DIR}:/var/alchemy/Phraseanet/www/thumbnails:rw
     - ${PHRASEANET_CUSTOM_DIR}:/var/alchemy/Phraseanet/www/custom:rw
-    - ${PHRASEANET_TMP_DIR}:/var/alchemy/Phraseanet/tmp:rw    
+    - ${PHRASEANET_CACHE_DIR}:/var/alchemy/Phraseanet/cache:rw
+    - ${PHRASEANET_TMP_DIR}:/var/alchemy/Phraseanet/tmp:rw
 
   worker:
     volumes:
@@ -65,8 +67,9 @@ services:
     - ${PHRASEANET_DATA_DIR}:/var/alchemy/Phraseanet/datas:rw
     - ${PHRASEANET_THUMBNAILS_DIR}:/var/alchemy/Phraseanet/www/thumbnails:rw
     - ${PHRASEANET_CUSTOM_DIR}:/var/alchemy/Phraseanet/www/custom:rw
+    - ${PHRASEANET_CACHE_DIR}:/var/alchemy/Phraseanet/cache:rw
     - ${PHRASEANET_TMP_DIR}:/var/alchemy/Phraseanet/tmp:rw
-    
+
   rabbitmq:
     ports:
     - ${RABBITMQ_MANAGEMENT_PORT}:15672
@@ -75,12 +78,6 @@ services:
     volumes:
     - ${PHRASEANET_DB_DIR}:/var/lib/mysql:rw
 
-  mailhog:
-    image: mailhog/mailhog
-    ports:
-    - 1025:1025
-    - 8025:8025
-
   elasticsearch:
     ports:
     - 9200:9200
@@ -121,7 +118,3 @@ networks:
     ipam:
       config:
         - subnet: $PHRASEANET_SUBNET_IPS
-
-volumes:
-  dev_vol:
-    driver: local
diff --git a/docker-compose.yml b/docker-compose.yml
index 3eee64c36a..d8d716cb4e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,9 +11,9 @@ services:
     image: $PHRASEANET_DOCKER_REGISTRY/phraseanet-nginx:$PHRASEANET_DOCKER_TAG
     restart: on-failure
     volumes:
-    - data_vol:/var/alchemy/Phraseanet/datas:rw
-    - thumbnails_vol:/var/alchemy/Phraseanet/www/thumbnails:rw
-    - custom_vol:/var/alchemy/Phraseanet/www/custom:rw
+    - ${PHRASEANET_DATA_DIR}:/var/alchemy/Phraseanet/datas:rw
+    - ${PHRASEANET_THUMBNAILS_DIR}:/var/alchemy/Phraseanet/www/thumbnails:rw
+    - ${PHRASEANET_CUSTOM_DIR}:/var/alchemy/Phraseanet/www/custom:rw
     depends_on:
     - phraseanet
     environment:
@@ -42,18 +42,27 @@ services:
     - OPCACHE_ENABLED
     - SESSION_CACHE_LIMITER
     - PHP_LOG_LEVEL
-    - INSTALL_ACCOUNT_EMAIL
-    - INSTALL_ACCOUNT_PASSWORD
-    - INSTALL_DB_HOST
-    - INSTALL_DB_PORT
-    - INSTALL_DB_USER
-    - INSTALL_DB_PASSWORD
+    - PHRASEANET_ADMIN_ACCOUNT_EMAIL
+    - PHRASEANET_ADMIN_ACCOUNT_PASSWORD
+    - PHRASEANET_DB_HOST
+    - PHRASEANET_DB_PORT
+    - PHRASEANET_DB_USER
+    - PHRASEANET_DB_PASSWORD
     - INSTALL_DB_TEMPLATE
     - INSTALL_APPBOX
     - INSTALL_DATABOX
-    - INSTALL_SERVER_NAME
-    - INSTALL_RABBITMQ_USER=$RABBITMQ_DEFAULT_USER
-    - INSTALL_RABBITMQ_PASSWORD=$RABBITMQ_DEFAULT_PASS
+    - PHRASEANET_SERVER_NAME
+    - PHRASEANET_RABBITMQ_USER=$RABBITMQ_DEFAULT_USER
+    - PHRASEANET_RABBITMQ_PASSWORD=$RABBITMQ_DEFAULT_PASS
+    - PHRASEANET_EMITTER_EMAIL
+    - PHRASEANET_MAIL_OBJECT_PREFIX
+    - PHRASEANET_SMTP_ENABLED
+    - PHRASEANET_SMTP_HOST
+    - PHRASEANET_SMTP_PORT
+    - PHRASEANET_SMTP_AUTH_ENABLED
+    - PHRASEANET_SMTP_SECURE_MODE
+    - PHRASEANET_SMTP_USER
+    - PHRASEANET_SMTP_PASSWORD
     volumes:
     - config_vol:/var/alchemy/Phraseanet/config:rw
     - data_vol:/var/alchemy/Phraseanet/datas:rw
@@ -101,7 +110,7 @@ services:
     - MYSQL_ROOT_PASSWORD
     - MYSQL_MAX_ALLOWED_PACKET
     volumes:
-    - db_vol:/var/lib/mysql
+    - ${PHRASEANET_DB_DIR}:/var/lib/mysql
 
   rabbitmq:
     image: rabbitmq:3-management
@@ -119,7 +128,13 @@ services:
     build: ./docker/elasticsearch
     restart: on-failure
     volumes:
-    - elasticsearch_vol:/usr/share/elasticsearch/data
+    - ${PHRASEANET_ELASTICSEARCH_DIR}:/usr/share/elasticsearch/data
+
+  mailhog:
+    image: mailhog/mailhog
+    ports:
+    - 1025:1025
+    - 8025:8025
 
 volumes:
   config_vol:
@@ -141,3 +156,5 @@ volumes:
   # to be replacer by stdout/stderr
   logs_vol:
     driver: local
+  dev_vol:
+    driver: local
\ No newline at end of file
diff --git a/docker/phraseanet/auto-install.sh b/docker/phraseanet/auto-install.sh
index c408f4aafa..2742102be1 100755
--- a/docker/phraseanet/auto-install.sh
+++ b/docker/phraseanet/auto-install.sh
@@ -2,29 +2,41 @@
 
 set -xe
 
-if [ -z "$INSTALL_ACCOUNT_EMAIL" ]; then
-    echo "INSTALL_ACCOUNT_EMAIL var is not set."
+if [ -z "$PHRASEANET_ADMIN_ACCOUNT_EMAIL" ]; then
+    echo "PHRASEANET_ADMIN_ACCOUNT_EMAIL, Phraseanet admin account  var is not set."
     exit 1
 fi
 
-if [ -z "$INSTALL_ACCOUNT_PASSWORD" ]; then
-    echo "INSTALL_ACCOUNT_PASSWORD var is not set."
+if [ -z "$PHRASEANET_ADMIN_ACCOUNT_PASSWORD " ]; then
+    echo "$PHRASEANET_ADMIN_ACCOUNT_PASSWORD,  Phaseanet admin password var is not set."
     exit 1
 fi
 
 /var/alchemy/Phraseanet/bin/setup system:install \
-    --email=$INSTALL_ACCOUNT_EMAIL \
-    --password=$INSTALL_ACCOUNT_PASSWORD \
-    --db-host=$INSTALL_DB_HOST \
-    --db-port=$INSTALL_DB_PORT \
-    --db-user=$INSTALL_DB_USER \
-    --db-password=$INSTALL_DB_PASSWORD \
+    --email=$PHRASEANET_ADMIN_ACCOUNT_EMAIL \
+    --password=$PHRASEANET_ADMIN_ACCOUNT_PASSWORD \
+    --db-host=$PHRASEANET_DB_HOST \
+    --db-port=$PHRASEANET_DB_PORT \
+    --db-user=$PHRASEANET_DB_USER \
+    --db-password=$PHRASEANET_DB_PASSWORD \
     --db-template=$INSTALL_DB_TEMPLATE \
     --appbox=$INSTALL_APPBOX \
     --databox=$INSTALL_DATABOX \
-    --server-name=$INSTALL_SERVER_NAME \
+    --server-name=$PHRASEANET_SERVER_NAME \
+    --download-path=$PHRASEANET_DOWNLOAD_DIR \
+    --lazaret-path=$PHRASEANET_LAZARET_DIR \
+    --caption-path=$PHRASEANET_CAPTION_DIR \
+    --worker-tmp-files=$PHRASEANET_WORKER_TMP \
     --data-path=/var/alchemy/Phraseanet/datas -y
 
+ # Bus configuration for scheduler & worker
+bin/setup system:config set workers.queue.worker-queue.registry alchemy_worker.queue_registry 
+bin/setup system:config set workers.queue.worker-queue.host rabbitmq
+bin/setup system:config set workers.queue.worker-queue.port 5672 
+bin/setup system:config set workers.queue.worker-queue.user $PHRASEANET_RABBITMQ_USER
+bin/setup system:config set workers.queue.worker-queue.password $PHRASEANET_RABBITMQ_PASSWORD
+bin/setup system:config set workers.queue.worker-queue.vhost /
+
 /var/alchemy/Phraseanet/bin/setup system:config set main.search-engine.options.host elasticsearch
 /var/alchemy/Phraseanet/bin/setup system:config set main.search-engine.options.minScore 2
 /var/alchemy/Phraseanet/bin/setup system:config set main.search-engine.options.minScore 2
@@ -38,22 +50,19 @@ fi
 /var/alchemy/Phraseanet/bin/setup system:config set main.cache.options.namespace $INSTALL_SERVER_NAME
 /var/alchemy/Phraseanet/bin/setup system:config set main.cache.type redis
 
-# Bus configuration for scheduler & worker
-bin/setup system:config set workers.queue.worker-queue.registry alchemy_worker.queue_registry 
-bin/setup system:config set workers.queue.worker-queue.host rabbitmq
-bin/setup system:config set workers.queue.worker-queue.port 5672 
-bin/setup system:config set workers.queue.worker-queue.user $INSTALL_RABBITMQ_USER
-bin/setup system:config set workers.queue.worker-queue.password $INSTALL_RABBITMQ_PASSWORD
-bin/setup system:config set workers.queue.worker-queue.vhost /
-
-# Create elasticsearch index
-/var/alchemy/Phraseanet/bin/console searchengine:index -c
-
 ## enable API and disable ssl on it
-/var/alchemy/Phraseanet/bin/setup system:config set registry.api-clients.api-enabled true
-/var/alchemy/Phraseanet/bin/setup system:config set main.api_require_ssl false
+/var/alchemy/Phraseanet/bin/setup system:config set registry.api-clients.api-enabled $PHRASEANET_API_ENABLED
+/var/alchemy/Phraseanet/bin/setup system:config set main.api_require_ssl $PHRASEANET_API_SSL
 
 # set instance title
 bin/setup system:config set registry.general.title $PHRASEANET_PROJECT_NAME
 
 /var/alchemy/Phraseanet/bin/console compile:configuration
+
+# Create elasticsearch index
+/var/alchemy/Phraseanet/bin/console searchengine:index -c
+
+# Create _TRASH_ collection on first databox
+/var/alchemy/Phraseanet/bin/console collection:create 1 Public -d 1
+/var/alchemy/Phraseanet/bin/console collection:create 1 Private -d 1
+/var/alchemy/Phraseanet/bin/console collection:create 1 _TRASH_ -d 1
diff --git a/docker/phraseanet/entrypoint.sh b/docker/phraseanet/entrypoint.sh
index 621d8c2e5f..9d22cef4ff 100755
--- a/docker/phraseanet/entrypoint.sh
+++ b/docker/phraseanet/entrypoint.sh
@@ -18,8 +18,20 @@ chown -R app:app \
 FILE=config/configuration.yml
 
 if [ -f "$FILE" ]; then
-    bin/setup system:config set registry.general.title $PHRASEANET_PROJECT_NAME
     echo "$FILE exists, skip setup."
+    bin/setup system:config set registry.general.title $PHRASEANET_PROJECT_NAME
+    if [[ $PHRASEANET_SMTP_ENABLED=true ]]; then
+        bin/setup system:config set registry.email.smtp-enabled $PHRASEANET_SMTP_ENABLED
+        bin/setup system:config set registry.email.smtp-auth-enabled $PHRASEANET_SMTP_AUTH_ENABLED
+        bin/setup system:config set registry.email.smtp-auth-secure-mode $PHRASEANET_SMTP_SECURE_MODE
+        bin/setup system:config set registry.email.smtp-auth-host $PHRASEANET_SMTP_HOST
+        bin/setup system:config set registry.email.smtp-auth-port $PHRASEANET_SMTP_PORT
+        bin/setup system:config set registry.email.smtp-user $PHRASEANET_SMTP_USER
+        bin/setup system:config set registry.email.smtp-password $PHRASEANET_SMTP_PASSWORD
+        bin/setup system:config set registry.email.emitter-email $PHRASEANET_EMITTER_EMAIL
+        bin/setup system:config set registry.email.prefix $PHRASEANET_MAIL_OBJECT_PREFIX
+    fi
+    bin/console user:password --user_id=1 --password $PHRASEANET_ADMIN_ACCOUNT_PASSWORD -y
 else
     echo "$FILE doesn't exist, entering setup..."
     runuser app -c docker/phraseanet/auto-install.sh
diff --git a/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php b/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
index a3b584058d..8d8655ec6a 100644
--- a/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
+++ b/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
@@ -102,4 +102,12 @@ class WorkerRunningJobRepository extends EntityRepository
     {
         return parent::getEntityManager();
     }
+
+    public function reconnect()
+    {
+        if($this->_em->getConnection()->ping() === false) {
+            $this->_em->getConnection()->close();
+            $this->_em->getConnection()->connect();
+        }
+    }
 }
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
index d225a0c37a..c0df49717d 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
@@ -101,6 +101,9 @@ class RecordSubscriber implements EventSubscriberInterface
 
         $repoWorker = $this->getRepoWorker();
         $em = $repoWorker->getEntityManager();
+        // check connection an re-connect if needed
+        $repoWorker->reconnect();
+
         $workerRunningJob = $repoWorker->findOneBy([
             'databoxId' => $event->getRecord()->getDataboxId(),
             'recordId'  => $event->getRecord()->getRecordId(),
@@ -108,13 +111,15 @@ class RecordSubscriber implements EventSubscriberInterface
             'workOn'    => $event->getSubdefName()
         ]);
 
-        $em->beginTransaction();
-        try {
-            $em->remove($workerRunningJob);
-            $em->flush();
-            $em->commit();
-        } catch (\Exception $e) {
-            $em->rollback();
+        if ($workerRunningJob) {
+            $em->beginTransaction();
+            try {
+                $em->remove($workerRunningJob);
+                $em->flush();
+                $em->commit();
+            } catch (\Exception $e) {
+                $em->rollback();
+            }
         }
 
         $this->messagePublisher->publishMessage(
@@ -223,6 +228,9 @@ class RecordSubscriber implements EventSubscriberInterface
 
             $repoWorker = $this->getRepoWorker();
             $em = $repoWorker->getEntityManager();
+            // check connection an re-connect if needed
+            $repoWorker->reconnect();
+
             $workerRunningJob = $repoWorker->findOneBy([
                 'databoxId' => $event->getRecord()->getDataboxId(),
                 'recordId'  => $event->getRecord()->getRecordId(),
@@ -230,13 +238,15 @@ class RecordSubscriber implements EventSubscriberInterface
                 'workOn'    => $event->getSubdefName()
             ]);
 
-            $em->beginTransaction();
-            try {
-                $em->remove($workerRunningJob);
-                $em->flush();
-                $em->commit();
-            } catch (\Exception $e) {
-                $em->rollback();
+            if ($workerRunningJob) {
+                $em->beginTransaction();
+                try {
+                    $em->remove($workerRunningJob);
+                    $em->flush();
+                    $em->commit();
+                } catch (\Exception $e) {
+                    $em->rollback();
+                }
             }
 
             $this->messagePublisher->publishMessage(
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php b/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
index a05d8a1aa7..1bf324943f 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
@@ -81,6 +81,7 @@ class SubdefCreationWorker implements WorkerInterface
 
                 // tell that a file is in used to create subdef
                 $em = $this->repoWorker->getEntityManager();
+                $this->repoWorker->reconnect();
                 $em->beginTransaction();
 
                 try {
@@ -108,14 +109,28 @@ class SubdefCreationWorker implements WorkerInterface
                 try {
                     $this->subdefGenerator->generateSubdefs($record, $wantedSubdef);
                 } catch (\Exception $e) {
-                    $em->beginTransaction();
                     try {
+                        $this->repoWorker->reconnect();
+                        $em->getConnection()->beginTransaction();
                         $em->remove($workerRunningJob);
                         $em->flush();
                         $em->commit();
                     } catch (\Exception $e) {
-                        $em->rollback();
                     }
+                } catch (\Throwable $e) {
+                    $count = isset($payload['count']) ? $payload['count'] + 1 : 2 ;
+                    $workerMessage = "Exception throwable catched when create subdef for the recordID: " .$recordId;
+
+                    $this->logger->error($workerMessage);
+
+                    $this->dispatcher->dispatch(WorkerEvents::SUBDEFINITION_CREATION_FAILURE, new SubdefinitionCreationFailureEvent(
+                        $record,
+                        $payload['subdefName'],
+                        $workerMessage,
+                        $count
+                    ));
+
+                    return ;
                 }
 
                 // begin to check if the subdef is successfully generated
@@ -170,7 +185,8 @@ class SubdefCreationWorker implements WorkerInterface
                 $this->indexer->flushQueue();
 
                 // tell that we have finished to work on this file
-                $em->beginTransaction();
+                $this->repoWorker->reconnect();
+                $em->getConnection()->beginTransaction();
                 try {
                     $workerRunningJob->setStatus(WorkerRunningJob::FINISHED);
                     $workerRunningJob->setFinished(new \DateTime('now'));
@@ -178,7 +194,17 @@ class SubdefCreationWorker implements WorkerInterface
                     $em->flush();
                     $em->commit();
                 } catch (\Exception $e) {
-                    $em->rollback();
+                    try {
+                        $em->getConnection()->beginTransaction();
+                        $workerRunningJob->setStatus(WorkerRunningJob::FINISHED);
+                        $em->persist($workerRunningJob);
+                        $em->flush();
+                        $em->commit();
+                    } catch (\Exception $e) {
+                        $this->messagePublisher->pushLog("rollback on recordID :" . $workerRunningJob->getRecordId());
+                        $em->rollback();
+                    }
+
                 }
             }
         }
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php b/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
index 6c02078ac1..8ec819cb77 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
@@ -82,6 +82,7 @@ class WriteMetadatasWorker implements WorkerInterface
 
             // tell that a file is in used to create subdef
             $em = $this->getEntityManager();
+            $this->repoWorker->reconnect();
             $em->beginTransaction();
 
             try {
@@ -106,7 +107,24 @@ class WriteMetadatasWorker implements WorkerInterface
 
             $record  = $databox->get_record($recordId);
 
-            $subdef = $record->get_subdef($payload['subdefName']);
+            try {
+                $subdef = $record->get_subdef($payload['subdefName']);
+            } catch (\Exception $e) {
+                $workerMessage = "Exception catched when try to get subdef " .$payload['subdefName']. " from DB for the recordID: " .$recordId;
+                $this->logger->error($workerMessage);
+
+                $count = isset($payload['count']) ? $payload['count'] + 1 : 2 ;
+
+                $this->dispatch(WorkerEvents::SUBDEFINITION_WRITE_META, new SubdefinitionWritemetaEvent(
+                    $record,
+                    $payload['subdefName'],
+                    SubdefinitionWritemetaEvent::FAILED,
+                    $workerMessage,
+                    $count
+                ));
+
+                return ;
+            }
 
             if ($subdef->is_physically_present()) {
                 $metadata = new MetadataBag();
@@ -245,6 +263,7 @@ class WriteMetadatasWorker implements WorkerInterface
 
 
             // tell that we have finished to work on this file
+            $this->repoWorker->reconnect();
             $em->beginTransaction();
             try {
                 $workerRunningJob->setStatus(WorkerRunningJob::FINISHED);
diff --git a/lib/conf.d/configuration.yml b/lib/conf.d/configuration.yml
index a42aea60a4..4013f8a44e 100644
--- a/lib/conf.d/configuration.yml
+++ b/lib/conf.d/configuration.yml
@@ -48,7 +48,7 @@ main:
                 _doctype:
                     limit: 10
                 _camera_model:
-                    limit: 0
+                    limit: 10
                 _iso:
                     limit: 0
                 _aperture:
@@ -159,7 +159,7 @@ border-manager:
             type: Checker\MediaType
             enabled: false
             options:
-                mediatypes: [Audio, Document, Flash, Image, Video]
+                mediatypes: [Audio, Document, Image, Video]
 user_account:
     deleting_policies:
         email_confirmation: true
@@ -244,7 +244,7 @@ embed_bundle:
     video:
         player: videojs
         autoplay: false
-        cover_subdef: thumbnail
+        cover_subdef: poster
         message_start: StartOfMessage
         available_speeds:
             - 1
diff --git a/lib/conf.d/data_templates/DublinCore.xml b/lib/conf.d/data_templates/DublinCore.xml
index db3039df7f..ffd40733f8 100644
--- a/lib/conf.d/data_templates/DublinCore.xml
+++ b/lib/conf.d/data_templates/DublinCore.xml
@@ -8,7 +8,7 @@
                 <size>1024</size>
                 <method>resample</method>
                 <dpi>72</dpi>
-                <strip>no</strip>
+                <strip>yes</strip>
                 <quality>75</quality>
                 <meta>yes</meta>
                 <devices>screen</devices>
@@ -90,6 +90,21 @@
                 <label lang="fr">Prévisualisation</label>
                 <label lang="en">Preview</label>
             </subdef>
+            <subdef class="preview" name="poster" downloadable="true">
+                <path>{{datapathnoweb}}{{basename}}/subdefs</path>
+                <meta>1</meta>
+                <size>1280</size>
+                <mediatype>image</mediatype>
+                <writeDatas>yes</writeDatas>
+                <devices>screen</devices>
+                <dpi>72</dpi>
+                <strip>yes</strip>
+                <flatten>yes</flatten>
+                <quality>75</quality>
+                <icodec>jpeg</icodec>
+                <label lang="fr">Poster video</label>
+                <label lang="en">Poster video</label>
+            </subdef>
             <subdef class="preview" name="preview_webm" downloadable="false">
                 <path>{{datapathnoweb}}{{basename}}/subdefs</path>
                 <size>748</size>
@@ -102,8 +117,30 @@
                 <fps>25</fps>
                 <GOPsize>25</GOPsize>
                 <vcodec>libvpx</vcodec>
-                <label lang="fr">Prévisualisation WebM</label>
-                <label lang="en">WebM Preview</label>
+            </subdef>
+            <subdef class="preview" name="audiovideowav" downloadable="true" orderable="true" presets="Wave Mono 8 kHz">
+                <path>{{datapathnoweb}}{{basename}}/subview</path>
+                <meta>no</meta>
+                <mediatype>audio</mediatype>
+                <audiobitrate>128</audiobitrate>
+                <audiosamplerate>8000</audiosamplerate>
+                <acodec>pcm_s16le</acodec>
+                <audiochannel>mono</audiochannel>
+                <devices>all</devices>
+                <label lang="fr">Audio WAVE 8 kHz</label>
+                <label lang="en">Audio WAVE 8 kHz</label>
+            </subdef>
+            <subdef class="preview" name="audiovideomp3" downloadable="true" orderable="true" presets="Normal MP3 128 kbit/s">
+                <path>{{datapathnoweb}}{{basename}}/subview</path>
+                <meta>no</meta>
+                <mediatype>audio</mediatype>
+                <audiobitrate>180</audiobitrate>
+                <audiosamplerate>44100</audiosamplerate>
+                <acodec>libmp3lame</acodec>
+                <audiochannel/>
+                <devices>all</devices>
+                <label lang="fr">Audio MP3 128 kbit/s</label>
+                <label lang="en">Audio MP3 128 kbit/s</label>
             </subdef>
         </subdefgroup>
         <subdefgroup name="audio">
@@ -155,30 +192,6 @@
                 <label lang="en">Preview</label>
             </subdef>
         </subdefgroup>
-        <subdefgroup name="flash">
-            <subdef class="thumbnail" name="thumbnail" downloadable="false">
-                <path>{{datapathnoweb}}{{basename}}/subdefs</path>
-                <mediatype>image</mediatype>
-                <size>240</size>
-                <writeDatas>no</writeDatas>
-                <method>resample</method>
-                <dpi>72</dpi>
-                <devices>screen</devices>
-                <label lang="fr">Vignette</label>
-                <label lang="en">Thumbnail</label>
-            </subdef>
-            <subdef class="preview" name="preview" downloadable="false">
-                <path>{{datapathnoweb}}{{basename}}/subdefs</path>
-                <mediatype>image</mediatype>
-                <size>800</size>
-                <writeDatas>no</writeDatas>
-                <method>resample</method>
-                <dpi>72</dpi>
-                <devices>screen</devices>
-                <label lang="fr">Prévisualisation</label>
-                <label lang="en">Preview</label>
-            </subdef>
-        </subdefgroup>
     </subdefs>
 
     <description>
@@ -199,9 +212,13 @@
         <Rights src="XMP-dc:Rights" type="string" report="0" />
         <Comments src="" business="1" type="string" report="0" />
         <Filename src="Phraseanet:tf-basename" readonly="1" type="string" report="1"/>
-        <CameraDevice src="IFD0:Model" type="string" readonly="1" report="0" />
-        <Latitude src="GPS:GPSLatitude" type="number" readonly="1" report="0" />
-        <Longitude src="GPS:GPSLongitude"  type="number" readonly="1" report="0"/>
+        <Latitude src="Composite:GPSLatitude" type="number" readonly="1" report="0" />
+        <Longitude src="Composite:GPSLongitude"  type="number" readonly="1" report="0"/>
+        <StartOfMessage src="Phraseanet:no-source" readonly="0" required="0" multi="0" report="0" business="0" aggregable="0" type="number" gui_editable="1" gui_visible="1"/>
+        <VideoTextTrackChapters src="Phraseanet:no-source" readonly="0" required="0" multi="0" report="0" business="0" aggregable="0" type="string" gui_editable="0" gui_visible="0"/>
+        <VideoTextTrackFr src="Phraseanet:no-source" readonly="0" required="0" multi="0" report="0" business="0" aggregable="0" type="string" gui_editable="1" gui_visible="0"/>
+        <VideoTextTrackEn src="Phraseanet:no-source" readonly="0" required="0" multi="0" report="0" business="0" aggregable="0" type="string" gui_editable="1" gui_visible="0"/>
+        <VideoTextTrackDe src="Phraseanet:no-source" readonly="0" required="0" multi="0" report="0" business="0" aggregable="0" type="string" gui_editable="1" gui_visible="0"/>
         <ArchiveDate src="Phraseanet:tf-archivedate" readonly="1" type="date" report="0" />
         <LastEditDate src="Phraseanet:tf-editdate" readonly="1" type="date" report="0" />
     </description>