Fix information endpoint (#104)

* FIX: information endpoint

Author: ned29

src/main/java/com/ericsson/ei/mongodbhandler/MongoDBHandler.java

@@ -22,6 +22,8 @@
 
 import javax.annotation.PostConstruct;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.Setter;
 import org.bson.Document;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -51,11 +53,9 @@ public class MongoDBHandler {
     static Logger log = (Logger) LoggerFactory.getLogger(MongoDBHandler.class);
 
     @Getter
-    MongoClient mongoClient;
-
-    public void setMongoClient(MongoClient mongoClient) {
-        this.mongoClient = mongoClient;
-    }
+    @Setter
+    @JsonIgnore
+    private MongoClient mongoClient;
 
     @Getter
     @Value("${spring.data.mongodb.host}")