000017556 - WebLogic process hosting RSA FIM becomes unresponsive and must be killed to restart.

Document created by RSA Customer Support Employee on Jun 14, 2016Last modified by RSA Customer Support Employee on Apr 22, 2017
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Article Number000017556
Applies ToRSA Federated Identity Manger (FIM) 4.1
Red Hat Enterprise 5
Sun/Oracle Java 1.6 update 29
IssueWebLogic process hosting RSA FIM becomes unresponsive and must be killed to restart.
Core file analysis shows Java deadlock in Java_java_net_Inet6AddressImpl_lookupAllHostAddr
CauseThis is a known issue in Java 1.6 where some DNS lookups of hosts with lots of IP addresses will cause a deadlock. 
ResolutionUpgrade to JRE 1.6 version 31 or later.
A work around is to add the problem hostname to /etc/hosts.
Legacy Article IDa66446

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