Both threads with the ODBC driver on the stack are waiting on something. You can see in the attached screenshots of the call stacks with the Sybase ODBC driver on them that the Sybase code is not doing anything socket/network related. I've got diagnostics within my tunnel software that show that there's nothing going on inside of it, and all requests have been responded to. The problem we're having is that when we operate our MFC application, which talks to the Sybase ODBC driver through the CDatabase / CRecordset layer, when we operate this, it will work fine for dozens or hundreds of operations through the tunnel, and then it will just hang up. After lots of searching and refinements, I think it's just about perfect. I've developed HTTP tunneling software to enable this. I work for a company that wants to do Sybase ODBC SQL traffic over the Internet using HTTP transactions.
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