changed objectMapper and restTemplate configuration

src/main/java/eu/dnetlib/repo/manager/config/CustomRestTemplateConfig.java

@@ -0,0 +1,40 @@
+package eu.dnetlib.repo.manager.config;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class CustomRestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        RestTemplate restTemplate = new RestTemplate();
+        restTemplate.getMessageConverters().add(0, mappingJacksonHttpMessageConverter());
+        return restTemplate;
+    }
+
+    @Bean
+    public MappingJackson2HttpMessageConverter mappingJacksonHttpMessageConverter() {
+        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
+        converter.setObjectMapper(customObjectMapper());
+        return converter;
+    }
+
+    @Bean
+    public ObjectMapper customObjectMapper() {
+        ObjectMapper objectMapper = new ObjectMapper();
+
+        // Do not fail when reading unknown properties
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        // Do not fail when reading properties of different case
+        objectMapper.configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true);
+
+        return objectMapper;
+    }
+
+}

src/main/java/eu/dnetlib/repo/manager/config/RedisConfiguration.java

@@ -5,12 +5,9 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 import org.springframework.session.web.http.CookieSerializer;
 import org.springframework.session.web.http.DefaultCookieSerializer;
-import org.springframework.web.client.RestTemplate;
 
 import javax.annotation.PostConstruct;
 
@@ -58,14 +55,4 @@ public class RedisConfiguration {
         return serializer;
     }
 
-    @Bean
-    public RestTemplate restTemplate() {
-        RestTemplate restTemplate = new RestTemplate();
-        restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
-        HttpHeaders httpHeaders = new HttpHeaders();
-        httpHeaders.set("Content-Type", "application/json");
-        return restTemplate;
-    }
-
-
 }