我使用下面的代码来创建reactor netty http客户端,并使用这个客户端发送请求。
ConnectionProvider connectionProvider = ConnectionProvider.builder("lead")
.maxConnections(10)
.pendingAcquireTimeout(Duration.ofSeconds(60))
.pendingAcquireMaxCount(10)
.maxLifeTime(Duration.ofSeconds(100))
.maxIdleTime(Duration.ofSeconds(60))
.build();
HttpClient httpClient = HttpClient.create(connectionProvider)
.keepAlive(true);
我循环发送rquest:
for (; ; ) {
httpClient.get().uri("http://localhost:5230/test")
.response()
.subscribe();
}
我希望http客户端只创建10个到http服务器的连接,但是结果并不像预期的那样,客户端创建了很多到http服务器的连接(服务器监听5230端口)(这个连接很快就关闭了):
netstat -nap |grep "5230“输出
TCP 127.0.0.1:5230 0.0.0.0:0 LISTENING 1980
TCP 127.0.0.1:5230 127.0.0.1:51012 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51014 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51015 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51016 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51017 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51018 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51019 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51020 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51021 ESTABLISHED 1980
TCP 127.0.0.1:5230 127.0.0.1:51022 ESTABLISHED 1980
TCP 127.0.0.1:50393 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50394 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50395 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50396 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50397 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50398 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50399 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50400 127.0.0.1:5230 TIME_WAIT 0
TCP 127.0.0.1:50401 127.0.0.1:5230 TIME_WAIT 0
.... there is many connection in TIME_WAIT status....
如何确保http客户端只创建10个到http服务器的连接?
版本:
jdk 1.8.0_201
reactory-netty 1.0.3
netty 4.15.9.Final
发布于 2021-04-20 19:18:16
在Violeta Georgieva的帮助下,在可访问的网络中,response()
方法会使http客户端关闭连接,因此http客户端创建多个到服务器的连接:创建连接->发送请求->关闭连接。
下面的代码按照预期工作:
httpClient.get().uri("http://127.0.0.1:5230/test")
.responseSingle(new BiFunction<HttpClientResponse, ByteBufMono, Mono<String>>() {
@Override
public Mono<String> apply(HttpClientResponse response, ByteBufMono byteBufMono) {
return byteBufMono.asString();
}
})
.subscribe();
https://stackoverflow.com/questions/67176053
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