增加ES配置管理,解决60,000 milliseconds timeout on connection http-outg问题

@@ -10,6 +10,7 @@ import org.apache.http.auth.AuthScope;
 import org.apache.http.auth.UsernamePasswordCredentials;
 import org.apache.http.client.CredentialsProvider;
 import org.apache.http.impl.client.BasicCredentialsProvider;
+import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
 import org.elasticsearch.client.RestClient;
 import org.elasticsearch.client.RestClientBuilder;
 import org.elasticsearch.client.RestHighLevelClient;
@@ -21,6 +22,7 @@ import org.springframework.data.elasticsearch.config.AbstractElasticsearchConfig
 import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
 
 import javax.annotation.Resource;
+import java.time.Duration;
 import java.util.List;
 
 /**
@@ -86,6 +88,12 @@ public class ElasticSearchConfig extends AbstractElasticsearchConfiguration {
             httpAsyncClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
             return httpAsyncClientBuilder;
         });
+        builder.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
+            @Override
+            public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpAsyncClientBuilder) {
+                return httpAsyncClientBuilder.setKeepAliveStrategy(((httpResponse, httpContext) -> Duration.ofMinutes(5).toMillis()));
+            }
+        });
         RestHighLevelClient client = new RestHighLevelClient(builder);
         return client;
     }