If The DNS Server Is Down At Coherence Cluster Startup The Coherence Nodes May Leave The Cluster, Why?
Last updated on JULY 04, 2017
Applies to:Oracle Coherence - Version 3.5.3 to 184.108.40.206 [Release AS10g]
Information in this document applies to any platform.
Suppose the user has a DNS server outage in the network, the Coherence nodes may leave the cluster if coherence nodes were performing a DNS lookup at that time. The member's thread dump shows that the serialization of WKA list involves a domain name lookup:
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