KB80621
Published: May 12, 2010
Revision: 2.0

Opening a UDP connection too soon in a strategy may return error -443


Applies To:

SNAP-PAC-S1
SNAP-PAC-S2
SNAP-PAC-S1-W
SNAP-PAC-S2-W
SNAP-PAC-R1
SNAP-PAC-R2
SNAP-PAC-R1-W
SNAP-PAC-R2-W

Versions Affected:

Problem was introduced in version: R1.0
Problem is fixed in version: R8.5c

Resolved In Version:

Problem is fixed in version: R8.5c


Symptoms:

Opening a PAC Control UDP communication handle (udp:<port>) too soon after starting a strategy, may cause error -443 (error on socket receive). For example, after starting a strategy and opening a UDP port, using the GetNumCharsWaiting command may return error -443.

Workaround:

Add a 600 ms delay at the start of the strategy before opening a UDP connection.

Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


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