Alex, this is the Netty group, not the Vert.x group :-)

> On Aug 3, 2016, at 2:20 PM, Alexander Lehmann <[email protected]> wrote:
> 
> Usually the HTTP connection is handled by the vertx pool automatically 
> (handling Keep-Alive if the server supports it).
> 
> If you are implementing the protocol yourself, that should be no problem, 
> however you have to be sure to evaluate the Connection: keep-alive and 
> Connection: close headers to know upfront if the connection can be used for 
> following requests (this is more or less a problem in any http client and not 
> limited to vert.x). If you check the connection status immediately after the 
> response is read, it might be still open when you check but will be closed by 
> the server immediately after that.
> If the server does not support Connection: keep-alive on the specific 
> connection, in the case where there is no Content-Length, you have consider 
> the server closing the connection as correct behaviour and then close the 
> connection on the client side as well.
> 
> 
> 
> On Wednesday, August 3, 2016 at 5:05:57 AM UTC+2, Luke Daley wrote:
> Hi,
> 
> I'm looking for some guidance on implementing HTTP client side connection 
> pooling. I have the basics of this working, but am uncertain about handling 
> connection termination by the server while idle.
> 
> I'm essentially using ChannelPoolMap and the default IS_ACTIVE health check 
> on acquire and release. What I'm seeing with _some_ servers is that an idle 
> connection is being reported as isActive() when acquired, but immediately 
> goes inactive after performing the first write to it (i.e. effectively 
> failing the write). 
> 
> When channels are being returned to the pool in my case, they have autoRead = 
> false. Is this what could be causing the channel to report as active until 
> there is a write? If so, why could it be only with some servers? Is it better 
> practice to enable auto read before returning a channel to the pool?
> 
> Thanks in advance,
> 
> Luke Daley.
> 
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