Indique le nouveau chemin vers plantuml.jar.

composer.json

@@ -39,6 +39,7 @@
         "symfony/http-kernel": "^3.0",
         "symfony/security": "^3.0"
     },
+    "bin": ["bin/plantuml.jar"],
     "require-dev": {
     },
     "config": {

src/DependencyInjection/Configuration.php

@@ -44,7 +44,7 @@ class Configuration implements ConfigurationInterface
                         ->end()
                         ->scalarNode('plamtuml_jar')
                             ->info('Archive du logiciel PlantUML')
-                            ->defaultValue(__DIR__ . '/../vendor/plantuml/plantuml.jar')
+                            ->defaultValue(__DIR__ . '/../../bin/plantuml.jar')
                         ->end()
                         ->scalarNode('dot')
                             ->info("Commande 'dot' du package 'graphviz'")