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我寫這在它的心臟採用此塊從外部URL收集信息查詢工具代理數據:AsyncHttpClient不使用提供
AsyncHttpClientConfig proxiedCF = new DefaultAsyncHttpClientConfig.Builder().setUserAgent(pickUserAgent()).build();
AsyncHttpClient asyncHttpClient = new DefaultAsyncHttpClient(proxiedCF);
Future<Response> f = asyncHttpClient.prepareGet(url).setProxyServer(new ProxyServer.Builder(pickProxyServer(), 80)).execute();
它工作正常。然而,即使提供了無效的代理服務器,它仍然有效,這有點可疑,我感覺我的精心設計的代理服務器配置根本沒有使用。
我偶然發現pickProxyServer()返回一個String「1.1.1.1」,這顯然不是一個有效的Web代理。
我使用SLF4J的日誌,它看起來非常正常:
20:31:47.454 [AsyncHttpClient-7-1] DEBUG o.a.n.channel.NettyConnectListener - Using new Channel '[id: 0x03359938, L:/10.0.0.101:59775 - R:/1.1.1.1:80]' for 'GET' to '[[url removed by me]]'
20:31:47.586 [AsyncHttpClient-7-1] DEBUG o.a.netty.handler.HttpHandler -
Request DefaultFullHttpRequest(decodeResult: success, version: HTTP/1.1, content: EmptyByteBufBE)
GET [[url removed by me]] HTTP/1.1
Host: [[url removed by me]]
Accept: */*
User-Agent: burning_dandelion
Response DefaultHttpResponse(decodeResult: success, version: HTTP/1.1)
HTTP/1.1 200 OK
Date: Fri, 13 Oct 2017 18:31:49 GMT
Expires: Fri, 13 Oct 2017 18:31:49 GMT
Cache-Control: private, max-age=3600
Content-Type: text/xml; charset=ISO-8859-1
P3P: CP="This is not a P3P policy!"
Server: gws
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Set-Cookie: 1P_JAR=2017-10-13-18; expires=Fri, 20-Oct-2017 18:31:49 GMT; path=/; domain=[[url removed by me]]
Set-Cookie: NID=114=qiVBv02cmXYHh2RfLQbhBfESWIoaGlf3d2jlSbAdQ8yWPDsCpOeK9aYbvfq0HWsER68W1oE53jiriM_fivTc1bJi1F2sfCi0wMptKI-9U3ueVKITtFvYYZx2T0rJf1kQ; expires=Sat, 14-Apr-2018 18:31:49 GMT; path=/; domain=[[url removed by me]]; HttpOnly
Accept-Ranges: none
Vary: Accept-Encoding
Transfer-Encoding: chunked
20:31:47.587 [AsyncHttpClient-7-1] DEBUG o.a.netty.channel.ChannelManager - Adding key: ProxyPartitionKey(proxyHost=1.1.1.1, proxyPort=80, secured=false, targetHostBaseUrl=[[url removed by me]]:80 for channel [id: 0x03359938, L:/10.0.0.101:59775 - R:/1.1.1.1:80]
有人能指出我對我的錯誤?很顯然,當一個無效代理被調用時,我想要一個I/O異常或任何類型的通知。