How to fix the Oracle error DIA-48170: unable to lock file – already in use?

In this post, you’ll learn more about the Oracle ErrorDIA-48170: unable to lock file – already in use with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DIA-48170: unable to lock file – already in use

Reason for the Error DIA-48170: unable to lock file – already in use

the file is locked by another process, indicating that it is currently in use by another process

How to fix the Error DIA-48170: unable to lock file – already in use ?

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

determine which process legitimately owns this file.