ONS / FAN error while configuring domain or starting Admin server on a RAC Database

ONS / FAN error while configuring domain or starting Admin server on a RAC Database

Issue Description:

 While configuring domain (config.sh) or starting admin server, receiver below error or error related to ONS/FAN                 with RAC database

 “SEVERE: attempt to configure ONS in FanManager failed with oracle.ons.NoServersAvailable: Subscription time out”

 Solution:

For Admin Server/Manager server issue

As per 2376942.1 apply patch to fix permanently before running config.sh

 Apply patch 26045997: ENABLING DRIVER FAN WITHOUT RUNNING ONS DAEMONS CAUSES CONNECT REQUEST ERROR

OR

 Backup and update setDomainEnv.sh to have below parameter added to JAVA_OPTIONS

Note (This should be performed before starting Admin Server )

 

-Doracle.jdbc.fanEnabled=false

  

For Domain Configuration Issue

               

        Edit <OID ORACLE_HOME>/oracle_common/common/bin/config_internal.sh and add -                Doracle.jdbc.fanEnabled=false option to JVM_ARGS

 

  

 Reference : "attempt to configure ONS in FanManager failed with oracle.ons.NoServersAvailable: Subscription time out" While Testing Connection To A RAC Database 12c (Doc ID 2435125.1)

WCC Domain Admin Server and Managed Servers Fail to Start Due to ONS Configuration Failed Exception (Doc ID 2376942.1)