Merge pull request #44 from supermicah/master

double-check 中再取次httpClient的内容
11 years ago · 4f53b07e47
parent cb84220d7a 9a524aa364
commit 4f53b07e47
1 changed files with 1 additions and 0 deletions
--- 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);