Hi Martin I think we already have a Jira about that. Let me find it.
I will reproduce and fix that. Thanks, Regards JB On Wed, Jan 24, 2024 at 2:25 PM Martin Lichtin via user <user@karaf.apache.org> wrote: > > Hi all, I noticed a change in SSH server session close behavior, as I > upgraded from 4.3.10 to 4.4.5. > Doing calls such as > > ssh -p 8101 karaf@localhost feature:list > > still works fine. However with 4.4.5, the ssh client now sporadically > reports > > Connection to localhost closed by remote host. > > The difference seems in the session shutdown. > > In the "good" case it is: > > debug2: channel 0: rcvd eof > debug2: channel 0: output open -> drain > debug2: channel 0: obuf empty > debug2: channel 0: chan_shutdown_write (i0 o1 sock -1 wfd 5 efd 6 [write]) > debug2: channel 0: output drain -> closed > debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 > debug2: channel 0: rcvd close > debug2: channel 0: chan_shutdown_read (i0 o3 sock -1 wfd 4 efd 6 [write]) > debug2: channel 0: input open -> closed > debug2: channel 0: almost dead > debug2: channel 0: gc: notify user > debug2: channel 0: gc: user detached > debug2: channel 0: send close > debug2: channel 0: is dead > debug2: channel 0: garbage collecting > debug1: channel 0: free: client-session, nchannels 1 > Transferred: sent 2064, received 28800 bytes, in 0.1 seconds > Bytes per second: sent 23511.4, received 328065.6 > debug1: Exit status 0 > > In the "bad" case it is: > > debug2: channel 0: rcvd eof > debug2: channel 0: output open -> drain > debug2: channel 0: obuf empty > debug2: channel 0: chan_shutdown_write (i0 o1 sock -1 wfd 5 efd 6 [write]) > debug2: channel 0: output drain -> closed > debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 > debug1: channel 0: free: client-session, nchannels 1 > Connection to localhost closed by remote host. > Transferred: sent 2048, received 28768 bytes, in 0.0 seconds > Bytes per second: sent 41302.3, received 580168.6 > debug1: Exit status 0 > > Seems a timing issue, interacting with the new SSHD code? > > - Martin >
