Equisys technical notes

Technical guidance, explanations and fixes for our products

FIX: Zetafax Server shuts down intermittently when receiving fax messages via Zetafax Online

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ZTN2140

This Zetafax technical note applies to:

  • Zetafax Version 17.5
  • Systems using Zetafax Online

Symptom

On very rare ocassions, Zetafax Server may shut down when receiving a fax message from the Zetafax Online service. There is no indication of a process terminating on the Zetafax Server logs, but when looking at the Windows Event Viewer, there will be an Application Error entry showing that the ROUTER process terminated.

The Zetafax Server logs out the following error prior to the shutdown:

ROUTER - Failed downloading image file (D:\Zetafax Server\USERS\SSMITH\Z-IN\~RECD123.G3F). Unknown error: 0

Cause

This was caused by a deficiency in the error handling code when dealing with errors returned from the online service behind Zetafax Online.

Resolution

This fault was corrected in a hotfix, which is available by contacting Equisys Technical Support and quoting the technote number ZTN2140. This hotfix introduces some stability improvements and additional debug logging.

Status

This behaviour was corrected in the hotfix detailed above.

Last updated: 21st May 2020 (NT) 

Keywords: Interfax, crash

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