On Mon, 2 Mar 2026 10:51:39 GMT, Daniel Jeliński <[email protected]> wrote:

> Raise the QUIC connection timeout in the H3MultipleConnectionsToSameHost test 
> above the jtreg timeout.
> 
> The test failed with a QUIC connection timeout, but the reason for the 
> timeout was not found in the logs. This kind of failure is usually caused by 
> one of:
> - packet loss; when that happens, the congestion controller slows down the 
> sending rate until the connection times out,
> - threading issues like races / deadlocks
> - overloaded machine; the threads might not get enough CPU time to respond 
> before the timeout expires.
> 
> Increasing the QUIC connection timeout should mitigate the packet loss and 
> CPU issues, and will provide additional information like thread / core dumps 
> to help with diagnosing threading issues.

After apply the proposed patch, test seems more ronustness.

The useNioSelector intermittent fails "Connection closed by server peer: 
INTERNAL_ERROR". Maybe this intermittent was not introdued by the propsoed 
patch.

-------------

PR Review: https://git.openjdk.org/jdk/pull/29993#pullrequestreview-3876396171

Reply via email to