Http Status error 500 is received when trying to login into Clarity. The app-niku.log shows the following error messages:-
ERROR YYY-MM-DD HH:MM:SS,999 [WrapperStartStopAppMain] niku.union (none:none:none) Clarity 188.8.131.5271 failed to initialize. com.niku.union.config.ConfigurationException: Messenger init failed. This could be due to an incorrect 'preferIpv4Stack' setting that is currently set to 'true'. Caused by: org.jgroups.ChannelException: failed to start protocol stack Caused by: java.lang.Exception: exception caused by UDP.start() Caused by: java.lang.Exception: problem creating sockets (bind_addr=/999.999.999.999, mcast_addr=null)
Steps to Reproduce:
Expected Results: Clarity login screen appears
Actual Results: Http Status error 500 appears
Review the Clarity System Administration (CSA) Properties and ensure the Bind address value is set correctly. Restart all Clarity Services.
Reference TEC511524 : Clarity: Fact Sheet: Clarity Beacon with Multicasting - include FAQs
Keywords: CLARITYKB, Messenger init failed, failed to initialize, preferIpv4Stack, multi-cast, multicasting.