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You assume, perhaps incorrectly, that everything within their firewall is running unobstructed. I ran into a situation once where an improperly configured IP packet sniffer inside a firewall was swallowing responses to certain types of requests.
-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of James Lampert
Sent: Monday, October 22, 2012 6:58 PM
To: Java Programming on and around the IBM i
Subject: Re: Strange problem with a terminal emulator written in Java: readStream() on a socket's input stream evidently returning -1 (eof)
Dan Kimmel wrote:
Firewall blocking the reply port?
I can't imagine why that would be: *We* can access their box from
*outside* their firewall and *inside* ours without any problems. So far as I'm aware, their users and box are inside the same firewall.
And so far as I understand the situation, it works for a while, then freezes, and a diagnostic produced numbers that indicate either a -1 returned from the read() on the socket's stream, or a timeout exception, as described in the original question.
Greetings from New Orleans.
--
JHHL
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