本文主要研究一下AsyncHttpClient的IOExceptionFilter

org/asynchttpclient/filter/RequestFilter.java

本文主要研究一下AsyncHttpClient的KeepAliveStrategy

org/asynchttpclient/exception/ChannelClosedException.java

org/asynchttpclient/channel/ChannelPool.java

本文主要研究一下AsyncHttpClient的ConnectionSemaphore

org/asynchttpclient/AsyncHttpClientConfig.java

org/apache/http/conn/ConnectionReleaseTrigger.java

org/apache/http/conn/HttpClientConnectionOperator.java

org/apache/http/pool/AbstractConnPool.java