Mobai
/
magic-Dependency
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

double-check 中再取次httpClient的内容

master
shijinping 2013-11-28 14:38:30 +08:00
parent cb84220d7a
commit 9a524aa364
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
View File

@ -70,6 +70,7 @@ public class HttpClientDownloader implements Downloader {
CloseableHttpClient httpClient = httpClients.get(domain); CloseableHttpClient httpClient = httpClients.get(domain);
if (httpClient == null) { if (httpClient == null) {
synchronized (this) { synchronized (this) {
httpClient = httpClients.get(domain);
if (httpClient == null) { if (httpClient == null) {
httpClient = httpClientGenerator.getClient(site); httpClient = httpClientGenerator.getClient(site);
httpClients.put(domain, httpClient); httpClients.put(domain, httpClient);