для того же URL оказывается, что он использует Соединение.как указано в коде, извлеченном из BasicHttpClientConnectionManager
synchronized HttpClientConnection getConnection(final HttpRoute route, final Object state) {
Asserts.check(!this.isShutdown.get(), "Connection manager has been shut down");
if (this.log.isDebugEnabled()) {
this.log.debug("Get connection for route " + route);
}
Asserts.check(!this.leased, "Connection is still allocated");
if (! LangUtils.equals (this.route, route) ||! LangUtils.equals (this.state, state)) {closeConnection ();}
this.route = route;
this.state = state;
checkExpiry();
if (this.conn == null) {
this.conn = this.connFactory.create(route, this.connConfig);
}
this.conn.setSocketTimeout(this.socketConfig.getSoTimeout());
this.leased = true;
return this.conn;
}