we had a job, which got stuck during sending results by SCP plugin
console output was showing "connecting to ourserver.ourdomain" (originally it
was the problem on ourserver.ourdomain, machine did not accept ssh connections
for some reason and had to be restarted), however, SCP plugin did not recover
moreover, whole job could not be terminated - tried to kill it by "x" button,
and tried also to disconnect slave machine on which build got stuck - did not
help, had to restart master Hudson instance.