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 OCTOBER 12, 2022
Applies to:
Solaris Operating System - Version 11.4 and laterInformation in this document applies to any platform.
Symptoms
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)
Changes
The customer upgraded from Solaris 11.4 SRU 24 (11.4.24.75.2) to Solaris 11.4 SRU 29 (11.4.29.82.3) - and also tried upgrading to Solaris 11.4 SRU 31 (11.4.31.88.5) - 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 1.8.0.261 to 1.8.0.271.
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.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |