ORA-15557 workload replay client cannot access replay directory

The Problem

I have been starting to use the Oracle 11g feature called Real Application Testing (RAT) recently. More specifically, the Database Replay feature of RAT. This appears to be a great tool for testing real PROD load on a DEV system, tweeking some parameters or statistics and then running the load again.

I was attempting to use the replay client when I received the following error message

The client could not open ‘wcr_login.pp’ for login queue at directory ‘.’

Errors in file :
ORA-15557: workload replay client cannot access the replay directory or the database version do not match the preprocessing one

Press any key to continue . . .

The Cause

I thought I had all the files in the correct locations but as it turns out I didn’t…

The Solution

I needed to put the pre-processed files in the correct folder, i.e, where you are running this from.

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Category: RAT

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