How to fix the error ORA-00031: session marked for kill?

In this post, you’ll learn more about the Oracle ErrorORA-00031: session marked for kill with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00031: session marked for kill

Reason for the Error ORA-00031: session marked for kill

The session specified in an ALTER SYSTEM KILL SESSION command cannot be killed immediately (because it is rolling back or blocked on a network operation), but it has been marked for kill. This means it will be killed as soon as possible after its current uninterruptable operation is done.

How to fix the Error ORA-00031: session marked for kill ?

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

No action is required for the session to be killed, but further executions of the ALTER SYSTEM KILL SESSION command on this session may cause the session to be killed sooner.