Fix for login form and logout request (#121)

Author: Christoffer-Cortes

src/main/java/com/ericsson/ei/frontend/EIRequestsController.java

@@ -157,10 +157,12 @@ public ResponseEntity<String> deleteRequests(Model model, HttpServletRequest req
     }
 
     private ResponseEntity<String> getResponse(HttpRequestBase request) {
-        String responseBody = "";
+        String responseBody = "[]";
         int statusCode = HttpStatus.PROCESSING.value();
         try (CloseableHttpResponse eiResponse = client.execute(request)) {
-            responseBody = StringUtils.defaultIfBlank(EntityUtils.toString(eiResponse.getEntity(), "utf-8"), "[]");
+            if(eiResponse.getEntity() != null) {
+                responseBody = StringUtils.defaultIfBlank(EntityUtils.toString(eiResponse.getEntity(), "utf-8"), "[]");
+            }
             statusCode = eiResponse.getStatusLine().getStatusCode();
             LOG.debug("EI Http response status code: " + statusCode
                     + "\nEI Received response body:\n" + responseBody

src/main/resources/templates/login.html

@@ -31,7 +31,7 @@
                             <input class="form-check-input" type="checkbox" data-bind="checked: $root.remember"/> Remember me</label>
                     </div>
                 </div>
-                <button type="button" class="btn btn-primary btn-block"
+                <button type="submit" class="btn btn-primary btn-block"
                         data-bind="click: function(){$root.login($root.userState, $root.remember());}">Login
                 </button>
             </form>