Sorry, I'm not very good at finding flaws in code that I can't run, and I don't have Oracle. Maybe if you could post a chopped down example that has some generic filler code for the Oracle db stuff, I could run it.
As far as the comment about SEND messages go, that is why I posted the forking client for you to try. If you read "perldoc IO::Socket", "send and recv" are mentioned. If you don't use a bi-directional client, you need to somehow switch your client socket into recv mode, after the send. This usually involves some sort of protocol you develop, to signal to both ends of the socket, who should be sending and who should be receiving. The forking bi-directional client is an easy solution for that problem, one fork sends and the other receives.
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