diff --git a/back/pom.xml b/back/pom.xml
index be39dee..43fb9a9 100644
--- a/back/pom.xml
+++ b/back/pom.xml
@@ -34,6 +34,11 @@
 			<artifactId>logback-classic</artifactId>
 			<version>1.4.11</version>
 		</dependency>
+		<dependency>
+			<groupId>xerces</groupId>
+			<artifactId>xercesImpl</artifactId>
+			<version>2.12.2</version>
+		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.datatype</groupId>
 			<artifactId>jackson-datatype-jsr310</artifactId>
diff --git a/back/src/org/kar/karusic/WebLauncher.java b/back/src/org/kar/karusic/WebLauncher.java
index 9a9ad63..68cd026 100755
--- a/back/src/org/kar/karusic/WebLauncher.java
+++ b/back/src/org/kar/karusic/WebLauncher.java
@@ -49,15 +49,15 @@ public class WebLauncher {
 	final static Logger LOGGER = LoggerFactory.getLogger(WebLauncher.class);
 	protected UpdateJwtPublicKey keyUpdater = null;
 	protected HttpServer server = null;
-	
+
 	public WebLauncher() {
 		ConfigBaseVariable.bdDatabase = "karusic";
 	}
-	
+
 	private static URI getBaseURI() {
 		return UriBuilder.fromUri(ConfigBaseVariable.getlocalAddress()).build();
 	}
-	
+
 	public void migrateDB() throws Exception {
 		WebLauncher.LOGGER.info("Create migration engine");
 		final MigrationEngine migrationEngine = new MigrationEngine();
@@ -73,16 +73,16 @@ public class WebLauncher {
 		migrationEngine.migrateWaitAdmin(new DbConfig());
 		WebLauncher.LOGGER.info("Migrate the DB [STOP]");
 	}
-	
+
 	public static void main(final String[] args) throws Exception {
 		// Loop-back of logger JDK logging API to SLF4J
 		LogManager.getLogManager().reset();
 		SLF4JBridgeHandler.install();
-		
+
 		WebLauncher.LOGGER.info("[START] application wake UP");
 		final WebLauncher launcher = new WebLauncher();
 		launcher.migrateDB();
-		
+
 		launcher.process();
 		WebLauncher.LOGGER.info("end-configure the server & wait finish process:");
 		Thread.currentThread().join();
@@ -90,7 +90,7 @@ public class WebLauncher {
 		launcher.stopOther();
 		WebLauncher.LOGGER.info("STOP the REST server:");
 	}
-	
+
 	public void plop(final String aaa) {
 		// List available Image Readers
 		WebLauncher.LOGGER.trace("Available Image Readers:");
@@ -101,7 +101,7 @@ public class WebLauncher {
 			WebLauncher.LOGGER.trace("Reader CN: " + reader.getOriginatingProvider().getPluginClassName());
 			// ImageIO.deregisterServiceProvider(reader.getOriginatingProvider());
 		}
-		
+
 		// List available Image Writers
 		WebLauncher.LOGGER.trace("\nAvailable Image Writers:");
 		final Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(aaa);
@@ -111,9 +111,9 @@ public class WebLauncher {
 			WebLauncher.LOGGER.trace("Writer CN: " + writer.getOriginatingProvider().getPluginClassName());
 		}
 	}
-	
+
 	public void process() throws InterruptedException, DataAccessException {
-		
+
 		ImageIO.scanForPlugins();
 		plop("jpeg");
 		plop("png");
@@ -123,7 +123,7 @@ public class WebLauncher {
 		// Configure resources
 		// ===================================================================
 		final ResourceConfig rc = new ResourceConfig();
-		
+
 		// add multipart models ..
 		rc.register(MultiPartFeature.class);
 		// global authentication system
@@ -143,17 +143,17 @@ public class WebLauncher {
 		rc.register(TrackResource.class);
 		rc.register(DataResource.class);
 		rc.register(ProxyResource.class);
-		
+
 		rc.register(HealthCheck.class);
 		rc.register(Front.class);
-		
+
 		ContextGenericTools.addJsr310(rc);
-		
+
 		// add jackson to be discover when we are ins standalone server
 		rc.register(JacksonFeature.class);
 		// enable this to show low level request
 		// rc.property(LoggingFeature.LOGGING_FEATURE_LOGGER_LEVEL_SERVER, Level.WARNING.getName());
-		
+
 		// System.out.println("Connect on the BDD:");
 		// System.out.println(" getDBHost: '" + ConfigVariable.getDBHost() + "'");
 		// System.out.println(" getDBPort: '" + ConfigVariable.getDBPort() + "'");
@@ -171,13 +171,13 @@ public class WebLauncher {
 				serverLink.shutdownNow();
 			}
 		}, "shutdownHook"));
-		
+
 		// ===================================================================
 		// start periodic update of the token ...
 		// ===================================================================
 		this.keyUpdater = new UpdateJwtPublicKey();
 		this.keyUpdater.start();
-		
+
 		// ===================================================================
 		// run JERSEY
 		// ===================================================================
@@ -189,14 +189,14 @@ public class WebLauncher {
 			e.printStackTrace();
 		}
 	}
-	
+
 	public void stop() {
 		if (this.server != null) {
 			this.server.shutdownNow();
 			this.server = null;
 		}
 	}
-	
+
 	public void stopOther() {
 		this.keyUpdater.kill();
 		try {
diff --git a/back/test/src/test/kar/karusic/TestBase.java b/back/test/src/test/kar/karusic/TestBase.java
index 6e6b283..431bbe6 100644
--- a/back/test/src/test/kar/karusic/TestBase.java
+++ b/back/test/src/test/kar/karusic/TestBase.java
@@ -44,7 +44,7 @@ public class TestBase {
 
 	@Test
 	public static void TestEmpty() throws Exception {
-		
+
 	}
 
 }
diff --git a/back/test/src/test/kar/karusic/WebLauncherTest.java b/back/test/src/test/kar/karusic/WebLauncherTest.java
index 5a5969e..10de3a8 100755
--- a/back/test/src/test/kar/karusic/WebLauncherTest.java
+++ b/back/test/src/test/kar/karusic/WebLauncherTest.java
@@ -7,6 +7,6 @@ import org.slf4j.LoggerFactory;
 
 public class WebLauncherTest extends WebLauncher {
 	final private static Logger LOGGER = LoggerFactory.getLogger(WebLauncherTest.class);
-	
+
 	public WebLauncherTest() {}
 }