DapiConnector should be transactional

annotation/src/main/java/lcsb/mapviewer/annotation/services/dapi/DapiConnectorImpl.java

@@ -2,8 +2,24 @@ package lcsb.mapviewer.annotation.services.dapi;
 
 import java.io.DataOutputStream;
 import java.io.IOException;
-import java.net.*;
-import java.util.*;
+import java.net.CookieHandler;
+import java.net.CookieManager;
+import java.net.HttpCookie;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+
+import javax.transaction.Transactional;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -16,11 +32,14 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonParser;
 
 import lcsb.mapviewer.annotation.cache.CachableInterface;
-import lcsb.mapviewer.annotation.services.dapi.dto.*;
+import lcsb.mapviewer.annotation.services.dapi.dto.ListReleaseDto;
+import lcsb.mapviewer.annotation.services.dapi.dto.ReleaseDto;
+import lcsb.mapviewer.annotation.services.dapi.dto.UserDto;
 import lcsb.mapviewer.model.user.ConfigurationElementType;
 import lcsb.mapviewer.persist.dao.ConfigurationDao;
 
 @Service
+@Transactional
 public class DapiConnectorImpl extends CachableInterface implements DapiConnector {
 
   private static Logger logger = LogManager.getLogger();