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Cisco Bug: CSCvu61762 - Multiple functionalities failing due to the socket exhaustion in CUC

Last Modified

Aug 26, 2020

Products (1)

  • Cisco Unity Connection

Known Affected Releases

12.5

Description (partial)

Symptom:
Every time a secure socket is opened , this socket is not closed and stays in CLOSE_WAIT state.

The large number of sockets in CLOSE_WAIT state can make the system run out of file descriptors and further server-to-server or client-to-server communication will break for that process or service

Conditions:
Release : 12.5.1 while using secure communication in below modules along with services.
1. Vnmap - (Cisco Tomcat)
2. CUNI - (Connection Notifier)
3. SRSV - (Connection Branch Sync Service and Connection System Agent)
4. Intersite Networking - (Cisco Tomcat)

Checking the Socket state using CLI:

show open ports regexp CLOSE_WAIT
or
show open ports regexp cunotifier

and similarity check for below processes:
cusysagent
cucesync
tomcat
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