Hi,

> occasionaly a thread gets stuck on transaction commit. the stacktrace is
> attached below. the reason seems to be a transaction deadlock. is there anyway
> to prevent a complete hang of the application server by setting a transaction
> timeout or something?

AFAIK, the only place to set transaction timeout (or better to say,
deadlock timeout) is the firebird.conf (parameter DeadlockTimeout, value
is specified in minutes).

Roman