add json annotation

@@ -471,6 +471,11 @@
             </dependency>
             <dependency>
                 <groupId>com.fasterxml.jackson.core</groupId>
+                <artifactId>jackson-annotations</artifactId>
+                <version>2.6.3</version>
+            </dependency>
+            <dependency>
+                <groupId>com.fasterxml.jackson.core</groupId>
                 <artifactId>jackson-databind</artifactId>
                 <version>2.6.3</version>
             </dependency>