Fixed post request to minervanet

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

 package lcsb.mapviewer.api.minervanet;
 
-import java.time.Instant;
-
 public class ErrorReport {
 
   private String url;
   private String login;
   private String email;
   private String browser;
-  private Instant timestamp;
+  private String timestamp;
   private String stacktrace;
   private String version;
   private String comment;
@@ -45,11 +43,11 @@ public class ErrorReport {
     this.browser = browser;
   }
 
-  public Instant getTimestamp() {
+  public String getTimestamp() {
     return timestamp;
   }
 
-  public void setTimestamp(Instant timestamp) {
+  public void setTimestamp(String timestamp) {
     this.timestamp = timestamp;
   }
 

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

@@ -4,10 +4,15 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lcsb.mapviewer.common.Configuration;
 import lcsb.mapviewer.model.user.ConfigurationElementType;
 import lcsb.mapviewer.services.interfaces.IConfigurationService;
+import org.apache.http.HttpEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentType;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.util.EntityUtils;
+import org.apache.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
@@ -17,6 +22,8 @@ import java.io.IOException;
 @RequestMapping("/minervanet")
 public class MinervaNetController {
 
+  private Logger logger = Logger.getLogger(MinervaNetController.class);
+
   private IConfigurationService configurationService;
 
   @Autowired
@@ -33,12 +40,18 @@ public class MinervaNetController {
     String jsonReport = mapper.writeValueAsString(report);
 
     String server = configurationService.getValue(ConfigurationElementType.MINERVANET_URL).getValue();
-    HttpPost httpPost = new HttpPost(server);
-    httpPost.setHeader("Content-Type", "application/json");
-    httpPost.setEntity(new StringEntity(jsonReport));
 
-    try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
-      httpClient.execute(httpPost);
+    try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
+      StringEntity requestEntity = new StringEntity(jsonReport, ContentType.APPLICATION_JSON);
+      HttpPost post = new HttpPost(server);
+      post.setEntity(requestEntity);
+      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);
+        }
+      }
     }
   }