diff --git a/pom.xml b/pom.xml
index 40f18dbe6464af87cc7dfa2b429dac479e8ab73f..8b65cb078e97ffc138f4aab46efea5c9a8bcbe50 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>campanule.lib</artifactId>
-            <version>1.0.5</version>
+            <version>1.0.6</version>
             <scope>test</scope>
             <type>test-jar</type>
         </dependency>
diff --git a/src/main/java/campanule/datasource/rest/CommandeMapperImpl.java b/src/main/java/campanule/datasource/rest/CommandeMapperImpl.java
index 6fa11aec643555e1b9e151027002d4827b2b7b50..ed6134130b764126b3c890c8ea82426d46566bf3 100644
--- a/src/main/java/campanule/datasource/rest/CommandeMapperImpl.java
+++ b/src/main/java/campanule/datasource/rest/CommandeMapperImpl.java
@@ -84,6 +84,7 @@ public abstract class CommandeMapperImpl
                     identifiant.getUUID());
             try {
                 return (List<Commande>) Request.Get(targetURL)
+                        .addHeader(getAcceptHeader())
                         .execute()
                         .handleResponse(new ResponseHandler<List<Commande>>() {
                             @Override
diff --git a/src/main/java/campanule/datasource/rest/RestTransactionManager.java b/src/main/java/campanule/datasource/rest/RestTransactionManager.java
index c239c5feb8192971a77634f51acbfaba20ea9093..06ddf529b1fb6243d9d428c99b4ba1dc4080a253 100644
--- a/src/main/java/campanule/datasource/rest/RestTransactionManager.java
+++ b/src/main/java/campanule/datasource/rest/RestTransactionManager.java
@@ -11,8 +11,6 @@ import core.datasource.TransactionManager.Operation;
 public abstract class RestTransactionManager
         implements TransactionManager<Operation<MapperManager>> {
 
-    private static RestTransactionManager transactionManager;
-
     private final String context;
 
     protected RestTransactionManager(final String context) {
@@ -23,12 +21,5 @@ public abstract class RestTransactionManager
         return context;
     }
 
-    protected static RestTransactionManager setInstance(
-            final RestTransactionManager tm) {
-        if (transactionManager == null) {
-            transactionManager = tm;
-        }
-        return transactionManager;
-    }
 
 }
diff --git a/src/main/java/campanule/datasource/rest/json/RestTransactionManager.java b/src/main/java/campanule/datasource/rest/json/RestTransactionManager.java
index 2b4eb82b6043bde992cd4b4e1f0ee4f40455a613..c22a1534ced4e3ebe4f8ceddfd4113d7b4b522c4 100644
--- a/src/main/java/campanule/datasource/rest/json/RestTransactionManager.java
+++ b/src/main/java/campanule/datasource/rest/json/RestTransactionManager.java
@@ -11,12 +11,17 @@ import core.datasource.TransactionManager.Operation;
 public final class RestTransactionManager
         extends campanule.datasource.rest.RestTransactionManager {
 
+    private static RestTransactionManager transactionManager;
+
     public RestTransactionManager(final String context) {
         super(context);
     }
 
     public static TransactionManager getInstance(final String context) {
-        return setInstance(new RestTransactionManager(context));
+        if (transactionManager == null) {
+            transactionManager = new RestTransactionManager(context);
+        }
+        return transactionManager;
     }
 
     @Override
diff --git a/src/main/java/campanule/datasource/rest/xml/RestTransactionManager.java b/src/main/java/campanule/datasource/rest/xml/RestTransactionManager.java
index 11d40caec060cb0d64ec2025825aec13b80c94d1..d8e8bc25d85c523a95e7e490d09cc8f2dbcee754 100644
--- a/src/main/java/campanule/datasource/rest/xml/RestTransactionManager.java
+++ b/src/main/java/campanule/datasource/rest/xml/RestTransactionManager.java
@@ -11,12 +11,17 @@ import core.datasource.TransactionManager.Operation;
 public final class RestTransactionManager
         extends campanule.datasource.rest.RestTransactionManager {
 
+    private static RestTransactionManager transactionManager;
+
     public RestTransactionManager(final String context) {
         super(context);
     }
 
     public static TransactionManager getInstance(final String context) {
-        return setInstance(new RestTransactionManager(context));
+        if (transactionManager == null) {
+            transactionManager = new RestTransactionManager(context);
+        }
+        return transactionManager;
     }
 
     @Override
@@ -25,4 +30,5 @@ public final class RestTransactionManager
         return operation.execute(
                 new RestMapperManager(this.getContext()));
     }
+
 }
diff --git a/src/test/java/campanule/datasource/rest/CONSTANTES.java b/src/test/java/campanule/datasource/rest/CONSTANTES.java
index 72b4e2c4a2140a5434ab9bd9ac9b9f8543f2748e..2b9ca73f538a5406bc80b75eb949982abb1c71c1 100644
--- a/src/test/java/campanule/datasource/rest/CONSTANTES.java
+++ b/src/test/java/campanule/datasource/rest/CONSTANTES.java
@@ -7,7 +7,7 @@ package campanule.datasource.rest;
 public class CONSTANTES {
 
     //Configuration pour les tests en local
-    //public static final String SERVICE_REST_URL = "http://localhost:8080/campanule.rest/resources";
+//    public static final String SERVICE_REST_URL = "http://localhost:8080/campanule.rest/resources";
     
     //Configuration pour les test dans la CI/CD de gitlab
     public static final String SERVICE_REST_URL = "http://campanule.rest:8080/resources";
diff --git a/src/test/java/campanule/datasource/rest/xml/CommandeMapperImplTest.java b/src/test/java/campanule/datasource/rest/xml/CommandeMapperImplTest.java
index 9eefacc61de8c65c71ec0c7fe12f1c57193ac472..ba484014325425366aedd4b1fe5aa4be4cac061b 100644
--- a/src/test/java/campanule/datasource/rest/xml/CommandeMapperImplTest.java
+++ b/src/test/java/campanule/datasource/rest/xml/CommandeMapperImplTest.java
@@ -39,5 +39,4 @@ public class CommandeMapperImplTest
         });
     }
 
-
 }
diff --git a/src/test/java/campanule/datasource/rest/xml/TestTransactionManagerFactory.java b/src/test/java/campanule/datasource/rest/xml/TestTransactionManagerFactory.java
index 3132add43b62c8fede43852ced68990c08312a8a..c481a8591b689a46db50e1e81da13aad0f10823e 100644
--- a/src/test/java/campanule/datasource/rest/xml/TestTransactionManagerFactory.java
+++ b/src/test/java/campanule/datasource/rest/xml/TestTransactionManagerFactory.java
@@ -6,7 +6,7 @@ import core.datasource.TransactionManager;
 public class TestTransactionManagerFactory {
 
     public static TransactionManager createTransactionManager() {
-        return campanule.datasource.rest.json.RestTransactionManager
+        return campanule.datasource.rest.xml.RestTransactionManager
                 .getInstance(CONSTANTES.SERVICE_REST_URL);
     }