OBIEE 12c: "A type mismatch occurred while evaluating an expression" Error Message Continuously Seen on Presentation Server Log (Doc ID 2435213.1)

Last updated on JANUARY 27, 2023

Applies to:

Symptoms

You have noticed in the presentation server component log (sawlogn.log) that this kind of message is logged continuously:

[<timestamp>] [OBIPS] [ERROR:31] [] [saw.variableUtils] [ecid: 9f878414-e3e8-44b3-81f8-30ce59c656f2-00047ae9,0:1] [tid: 3569719040] [SI-Name: ] [IDD-Name: ] [IDD-GUID: ] [userId: weblogic] A type mismatch occurred while evaluating an expression.[[
File:gdtypeconversions.cpp
Line:334
Location:
saw.variableUtils
saw.views.evc.activate
saw.httpserver.processrequest
saw.rpc.server.responder
saw.rpc.server
saw.rpc.server.handleConnection
saw.rpc.server.dispatch
saw.threadpool.socketrpcserver
saw.threads
SessionID: <sessionid>
AuthProps: AuthSchema=SSO|IMPERSONATE=<username>|NQ_SESSION.SERVICEINSTANCEKEY=ssi|PWD=******|UID=<uid>|User=<username>|GUID=<username>
RemoteIP: <ip_address>
HttpCommand: ValueTableAjax
SIKey: ssi
]]

And because of this the log grows rapidly.

Cause

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