Cisco Bug: CSCup43396 - tomcat threads exhausting due to some VM rest APIs
Jun 20, 2020
- Cisco Unity Connection
Known Affected Releases
Symptom: Cisco Unity Connection Administration page is not accessible, also times out during authentication. Conditions: Thread dumps for tomcat suggested that, all it's threads are getting exhausted, as all of the threads are in busy state. Use below Admin CLI command to monitor present tomcat thread state: show perf query class "Cisco Tomcat Connector" Check for HTTPS Port(443) "ThreadsTotal" and "ThreadBusy" counter. Example: - Perf class (Cisco Tomcat Connector) has instances and values: http-bio-443 -> Errors = 1 http-bio-443 -> MBytesReceived = 0 http-bio-443 -> MBytesSent = 0 http-bio-443 -> Requests = 33 http-bio-443 -> ThreadsBusy = 150 http-bio-443 -> ThreadsMax = 150 http-bio-443 -> ThreadsTotal = 150 If ThreadsBusy has value 150, then hitting this defect.
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