If The DNS Server Is Down At Coherence Cluster Startup The Coherence Nodes May Leave The Cluster, Why? (Doc ID 1498879.1)

Last updated on JULY 04, 2017

Applies to:

Oracle Coherence - Version 3.5.3 to 3.7.1.6 [Release AS10g]
Information in this document applies to any platform.

Goal

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:
 

 

Solution

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