Thousands of IDLE Sockets from Java Applications After Updating from 11.4 SRU 24 to 11.4 SRU 27-> SRU 31
(Doc ID 2777837.1)
Last updated on MAY 24, 2021
Applies to:Solaris Operating System - Version 11.4 and later
Information in this document applies to any platform.
Two primary symptoms
1) hundreds of thousands of IDLE (unbound/un-numbered) TCP sockets - for both IPv4 and
2) net-snmp is non-functional, in some type of "busy loop" - consuming CPU and not responding to monitoring software (snmp queries)
The customer upgraded from Solaris 11.4 SRU 24 (184.108.40.206.2) to Solaris 11.4 SRU 29 (220.127.116.11.3) - and also tried upgrading to Solaris 11.4 SRU 31 (18.104.22.168.5) - both newer SRUs exhibited the issue. They were using the Solaris bundled java / jdk to run their java application(s). The Java version was also upgraded, from 22.214.171.1241 to 126.96.36.1991.
Note: The bundled Solaris java is not licensed for commercial use by customer applications - it exists solely to support Solaris bundled software. See the Java Licensing FAQ.
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