Merge branch 'master' of github.com:code4craft/webmagic

master
yihua.huang 2013-11-28 16:27:49 +08:00
commit aaa53f58c7
1 changed files with 1 additions and 0 deletions

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@ -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);