> Umm.. The issue is that I don't call close() method anywhere within
> my application. The connection seems to disappear by itself.

May I ask, why you do not close connections in your application?

> Attached SQLException:

> Object closed.org.firebirdsql.pool.ObjectCloseTraceException: Object
> closed. at
> org.firebirdsql.pool.PooledConnectionHandler.handleConnectionClose(P
> ooledConnectionHandler.java:390) at
> org.firebirdsql.pool.PooledConnectionHandler.deallocate(PooledConnec
> tionHandler.java:181) at
> org.firebirdsql.pool.PingablePooledConnection.internalClose(Pingable
> PooledConnection.java:256) at
> org.firebirdsql.pool.PingablePooledConnection.deallocate(PingablePoo
> ledConnection.java:270) at
> org.firebirdsql.pool.PooledConnectionQueue.shutdown(PooledConnection
> Queue.java:179)

What's after these lines? It seems that you have shut the pool down, but you
continue using connections from it.

Roman