How to fix the Oracle error ORA-16138: end of log stream not received from primary?

In this post, you’ll learn more about the Oracle ErrorORA-16138: end of log stream not received from primary with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16138: end of log stream not received from primary

Reason for the Error ORA-16138: end of log stream not received from primary

The standby system has not received notification that the primary system log stream has been terminated. A graceful switchover is not possible.

How to fix the Error ORA-16138: end of log stream not received from primary ?

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

Verify that the primary log stream has been terminated. Ensure that the standby has applied all necessary redo from the primary system and, if appropriate, reissue the graceful switchover command.