From 9a524aa36412957685b73f466c47bf442086b9ff Mon Sep 17 00:00:00 2001
From: shijinping <jinping.shi@kascend.com>
Date: Thu, 28 Nov 2013 14:38:30 +0800
Subject: [PATCH] =?UTF-8?q?double-check=20=E4=B8=AD=E5=86=8D=E5=8F=96?=
 =?UTF-8?q?=E6=AC=A1httpClient=E7=9A=84=E5=86=85=E5=AE=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../us/codecraft/webmagic/downloader/HttpClientDownloader.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java b/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
index b6baaa7e..1daaad96 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
@@ -70,6 +70,7 @@ public class HttpClientDownloader implements Downloader {
         CloseableHttpClient httpClient = httpClients.get(domain);
         if (httpClient == null) {
             synchronized (this) {
+                httpClient = httpClients.get(domain);
                 if (httpClient == null) {
                     httpClient = httpClientGenerator.getClient(site);
                     httpClients.put(domain, httpClient);