How to fix the Oracle error ORA-01353: existing Logminer session?

In this post, you’ll learn more about the Oracle ErrorORA-01353: existing Logminer session with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01353: existing Logminer session

Reason for the Error ORA-01353: existing Logminer session

An attempt was made to execute DBMS_LOGMNR_D.SET_TABLESPACE while a Logminer session(s) was active.

How to fix the Error ORA-01353: existing Logminer session ?

You can fix this error in Oracle by following the below steps

First cause all Logminer sessions to be closed. A Logminer session can exist as a result of executing DBMS_LOGMNR.START_LOGMNR or as the result of using Oracle features such as Data Guard SQL Apply or Streams which use Logminer. Next, execute DBMS_LOGMNR_D.SET_TABLESPACE.