I meet this problem also. Have you figure out how to do it? Thanks.

--- In firebird-support@yahoogroups.com, Helen Borrie <helebor@t...>
wrote:

> At 09:33 PM 28/01/2005 +0000, you wrote:
>
>
>
> >I am trying to use FireBird asynchronous signaling/asynchronous
> >listening service. I will write a trigger or stored procedure that
> >posts an event whenever any application inserts data in a table.
>
> This is simple: use POST_EVENT 'Your_Own_Signal' to post an event

to the

> queue. Any applications that are listening for this event will

receive it

> when the transaction is successfully committed.
>
> >Then I will write a Java client application listening for this

event

> >and execute some AST callback function. I do not know how to start
> >yet. If you have any kind of samples or instructions, please
> >respond. Appreciate your help very much.
>
> How applications listen for events depends on the client

interface. If

> Jaybird supports events, there will be a function in Jaybird for

it. Ask

> about it on the Firebird-Java list.
>
> Note that, if you are using events and your server has a firewall,

you will

> need to open at least one unassigned port for the event traffic.

The Event

> Manager by default just uses any open port, at random. If you

want to

> specify a particular port (Fb 1.5 and higher) then open that port

in the

> firewall and configure the RemoteAuxPort in firebird.conf.
>
> ./helen