src/main/java/ru/ulstu/extractor/http/HttpService.java

@@ -21,15 +21,20 @@ public class HttpService {
 
     public JSONObject post(String url, JSONObject postData) {
         log.debug("Service call: {}", url);
-        JSONObject response = new JSONObject(Optional.ofNullable(client
+        JSONObject response = null;
-                .post()
+        try {
-                .uri(url)
+            response = new JSONObject(Optional.ofNullable(client
-                .contentType(MediaType.APPLICATION_JSON)
+                    .post()
-                .body(BodyInserters.fromValue(postData.toString()))
+                    .uri(url)
-                .accept(MediaType.APPLICATION_JSON)
+                    .contentType(MediaType.APPLICATION_JSON)
-                .retrieve()
+                    .body(BodyInserters.fromValue(postData.toString()))
-                .bodyToMono(String.class)
+                    .accept(MediaType.APPLICATION_JSON)
-                .block()).orElse("{response:\"empty\"}"));
+                    .retrieve()
+                    .bodyToMono(String.class)
+                    .toFuture().get()).orElse("{response:\"empty\"}"));
+        } catch (Exception e) {
+            return new JSONObject("{response:\"empty\"}");
+        }
         log.debug("Service response: {}", response);
         return response;
     }

src/main/java/ru/ulstu/extractor/ts/service/TimeSeriesService.java

@@ -119,7 +119,9 @@ public class TimeSeriesService {
         if (ts != null && ts.getValues().size() > 5) {
             JSONObject response = httpService.post(TIME_SERIES_TENDENCY_URL, new JSONObject(new SmoothingTimeSeries(ts)));
             LOG.debug("Успешно отправлен на сервис сглаживания");
-            response.get("timeSeries");
+            if (response.has("response") && response.getString("response").equals("empty")) {
+                return 0.0;
+            }
             JSONArray jsonArray = response.getJSONObject("timeSeries").getJSONArray("values");
             return jsonArray.getJSONObject(jsonArray.length() - 1).getDouble("value");
         }

src/main/resources/application.properties

@@ -11,6 +11,9 @@ logging.level.sun.rmi.transport=off
 logging.level.javax.management.remote.rmi=off
 logging.level.java.rmi.server=off
 extractor.custom-projects-dir=
+server.error.include-stacktrace=always
+server.error.include-exception=true
+server.error.include-message=always
 # Thymeleaf Settings
 spring.thymeleaf.cache=false
 messages.basename.path=messages_en.properties

src/main/resources/templates/error.html

@@ -32,16 +32,26 @@
     </p>
     <div class="collapse" id="collapseExample">
         <p class="card card-body">
-        <div th:utext="'Failed URL: ' +  ${url}" th:remove="tag">${url}</div>
+        <div>
-        </p>
+            <span><strong>Status</strong></span>
-        <div th:if="${exception != null}" th:utext="'Exception: ' + ${exception.message}" th:remove="tag">
+            <span th:text="${status}"></span>
-            ${exception.message}
+        </div>
+        <div>
+            <span><strong>Error</strong></span>
+            <span th:text="${error}"></span>
+        </div>
+        <div>
+            <span><strong>Message</strong></span>
+            <span th:text="${message}"></span>
+        </div>
+        <div th:if="${exception != null}">
+            <span><strong>Exception</strong></span>
+            <span th:text="${exception}"></span>
+        </div>
+        <div th:if="${trace != null}">
+            <span><strong>Stacktrace</strong></span>
+            <span th:text="${trace}"></span>
         </div>
-        <ul th:remove="tag">
-            <li th:if="${exception != null && exception.stackTrace != null}" th:each="ste : ${exception.stackTrace}"
-                th:remove="tag"><span
-                    th:utext="${ste}" th:remove="tag">${ste}</span></li>
-        </ul>
     </div>
 </div>
 </div>