> On my test app (which cause same problem) only two connection is
> to firebird. One the insert thread, and the second, which
> periodically select from this test table. Before all select or
> insert i start new tansaction, and after SQL, always call commit.
>
> No other connection.

So how are you ascertaining that the transaction is not moving along? Are
you making a connection with your management tool, then disconnecting then
running your app, then closing your app, then reconnecting with your
management tool to check the trasnaction progress? or how are you doing it?
Alan