Memory Leak on TcpInitiator openConnection for TCP Extend Clients
(Doc ID 2723764.1)
Last updated on JANUARY 16, 2023
Applies to:Oracle Coherence - Version 220.127.116.11.5 and later
Information in this document applies to any platform.
A significant memory leak has been identified on TcpInitiator for TCP Extend clients that has the potential to cause complete loss of service.
The leak in question exists in com.tangosol.coherence.component.util.daemon.queueProcessor.service.peer.initiator.TcpInitiator#openConnection
On every cache request while the target proxy is down, the openConnection logic in TcpInitiator will add socket handles to __m_CloseOnExit set and doesn't remove them when the attempt to connect/open the socket fails. Over time, __m_CloseOnExit accumulates socket objects until it exhausts JVM heap.
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