Fix for F5

rest-api/src/main/java/lcsb/mapviewer/api/minervanet/MinervaNetController.java

 package lcsb.mapviewer.api.minervanet;
 
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lcsb.mapviewer.model.user.ConfigurationElementType;
 import lcsb.mapviewer.services.interfaces.IConfigurationService;
@@ -50,11 +51,24 @@ public class MinervaNetController {
       try (CloseableHttpResponse response = client.execute(post)) {
         HttpEntity responseEntity = response.getEntity();
         String responseBody = EntityUtils.toString(responseEntity, "UTF-8");
-        if (response.getStatusLine().getStatusCode() != 200) {
-          logger.error("Could not submit report to MinervaNet. Reason: " + responseBody);
+        if (response.getStatusLine().getStatusCode() != 200 || !responseBodyValid(responseBody)) {
+          String error = "Could not submit report to MinervaNet. Reason: " + responseBody;
+          logger.error(error);
+          throw new ReportSubmissionException(error);
         }
       }
     }
   }
 
+  private boolean responseBodyValid(String body) {
+    ObjectMapper mapper = new ObjectMapper();
+    mapper.enable(DeserializationFeature.FAIL_ON_READING_DUP_TREE_KEY);
+    try {
+      mapper.readTree(body);
+    } catch (IOException e) {
+      return false;
+    }
+    return true;
+  }
+
 }

rest-api/src/main/java/lcsb/mapviewer/api/minervanet/ReportSubmissionException.java

+package lcsb.mapviewer.api.minervanet;
+
+public class ReportSubmissionException extends RuntimeException {
+  public ReportSubmissionException() {
+    super();
+  }
+
+  public ReportSubmissionException(String message) {
+    super(message);
+  }
+
+  public ReportSubmissionException(String message, Throwable cause) {
+    super(message, cause);
+  }
+
+  public ReportSubmissionException(Throwable cause) {
+    super(cause);
+  }
+
+  protected ReportSubmissionException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+    super(message, cause, enableSuppression, writableStackTrace);
+  }
+}