OBIEE - Connection Error Through Answers: "Odbc driver returned an error (SQLExecDirectW)" and "ORA-12541" (Doc ID 2096701.1)

Last updated on JULY 03, 2017

Applies to:

Business Intelligence Server Enterprise Edition - Version 11.1.1.7.0 and later
Information in this document applies to any platform.

Symptoms

BI answers indicates a connection error even though admin tool pre-deployment has no error.
In admin tool, a connection pool was set-up using OCI


Error
=====

Odbc driver returned an error (SQLExecDirectW).
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 17001] Oracle Error code: 12541, message: ORA-12541: TNS:no listener at OCI call OCIServerAttach. [nQSError: 17014] Could not connect to Oracle database. (HY000)

Cause

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