Solution : https://service.sap.com/sap/support/notes/776028 (SAP Service marketplace login required)
Key words : 
symptom corba object_not_exist error occured, request-independent loadbalancing algorithm, corba locaterequest arrives, iiop loadbalancing mechanism, iiop service running, server nodes running, object_not_exist error, running sp9, attached iiop, server nodes
Related Notes : 
       
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