java:apache_http_client

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--- java:apache_http_client [2017/03/23 09:56]
kwon37xi [Evict Idle Connections]
+++ java:apache_http_client [2021/07/27 10:26]
kwon37xi [Apache Http Client]
@@ 줄 2: / 줄 2: @@
   * [[http://hc.apache.org/|Apache Http Client]]
   * [[https://hc.apache.org/httpclient-3.x/preference-api.html|HttpClient 3.x preference api]]
+  * [[https://hc.apache.org/httpcomponents-core-5.1.x/|Apache HttpComponents – HttpCore Overview]]
+  * [[https://hc.apache.org/httpcomponents-client-5.1.x/current/httpclient5-fluent/clirr-report.html|Apache HttpComponents – HttpClient Overview]]
 ===== Connection 갯수 =====
@@ 줄 12: / 줄 14: @@
     ....
 </code>
 ===== Connection/Socket Timeout =====
-  * [[http://www.jayway.com/2009/03/17/configuring-timeout-with-apache-httpclient-40/|Configuring Timeout with Apache HttpClient 4.0]]
+  * [[http://www.baeldung.com/httpclient-timeout|HttpClient timeout]]<code java>
-<code java>
+int timeout = 5;
-DefaultHttpClient httpClient = new DefaultHttpClient();
+RequestConfig config = RequestConfig.custom()
-HttpParams params = httpClient.getParams();
+  .setConnectTimeout(timeout * 1000)
-HttpConnectionParams.setConnectionTimeout(httpParams, connectionTimeoutMillis);
+  .setConnectionRequestTimeout(timeout * 1000)
-HttpConnectionParams.setSoTimeout(httpParams, socketTimeoutMillis);
+  .setSocketTimeout(timeout * 1000).build();
+CloseableHttpClient client =
+  HttpClientBuilder.create().setDefaultRequestConfig(config).build();
 </code>
+  * connectionTimeout : 서버에 소켓 연결을 맺을 때의 타임아웃
+  * connectionRequestTimeout : ConnectionManager(커넥션풀)로부터 꺼내올 때의 타임아웃
+  * socketTimeout : 요청/응답간의 타임아웃.
 ===== Evict Idle Connections =====
@@ 줄 64: / 줄 72: @@
 > See the http.connection.stalecheck parameter documentation for more information.
+===== 참조 =====
+  * [[https://www.baeldung.com/httpclient-timeout|HttpClient timeout | Baeldung]]
+  * [[https://danlebrero.com/2019/12/11/apache-http-client-timeouts-config-production-asynchronous-http-client-pictures/|Apache Http Client and Asynchronous HTTP client timeouts explained in pictures]]
+  * [[https://github.com/dakrone/clj-http|dakrone/clj-http: An idiomatic clojure http client wrapping the apache client. Offically supported version.]]

java/apache_http_client.txt · 마지막으로 수정됨: 2021/07/27 10:26 저자 kwon37xi