On Tue, 6 Sep 2022 13:56:15 GMT, Conor Cleary <ccle...@openjdk.org> wrote:

> **Issue**
> When using HTTP/2 with the HttpClient, it can often be necessary to close an 
> idle Http2 Connection before a server sends a GOAWAY frame. For example, a 
> server or cloud based tool could close a TCP connection silently when it is 
> idle for too long resulting in ConnectionResetException being thrown by the 
> HttpClient.
> 
> **Proposed Solution**
> A new system property, `jdk.httpclient.idleConnectionTimeout`, was added and 
> is used to specify in Milliseconds how long an idle connection (idle 
> connections are those which have no currently active streams) for the 
> HttpClient before the connection is closed.

I'd agree 1200 sec (20 mins) is way too high. I would think 5-6 mins would be 
more appropriate.

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PR: https://git.openjdk.org/jdk/pull/10183

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