Minor improvements

.settings/org.eclipse.wst.common.component

 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-    <wb-module deploy-name="dummy-service-1.0.0">
+    <wb-module deploy-name="authentication-service-1.0.0">
         <wb-resource deploy-path="/" source-path="/target/m2e-wtp/web-resources"/>
         <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
         <property name="java-output-path" value="/api-gateway/target/classes"/>
-        <property name="context-root" value="dummy-service"/>
+        <property name="context-root" value="authentication-service"/>
     </wb-module>
 </project-modules>

src/main/java/de/rtuni/ms/as/JwtUsernameAndPasswordAuthenticationFilter.java

@@ -73,12 +73,13 @@ public class JwtUsernameAndPasswordAuthenticationFilter
             HttpServletResponse response) throws AuthenticationException {
         try {
             // 1. Get credentials from request
-            UserCredentials creds =
+            UserCredentials credentials =
                     new ObjectMapper().readValue(request.getInputStream(), UserCredentials.class);
+            
             // 2. Create auth object (contains credentials) which will be used by auth manager
-            UsernamePasswordAuthenticationToken authToken = 
-                    new UsernamePasswordAuthenticationToken(
-                            creds.getUsername(), creds.getPassword(), Collections.emptyList());
+            UsernamePasswordAuthenticationToken authToken = new UsernamePasswordAuthenticationToken(
+                    credentials.getUsername(), credentials.getPassword(), Collections.emptyList());
+            
             // 3. Authentication manager authenticate the user, and use 
             // UserDetailsServiceImpl::loadUserByUsername() method to load the user.