VIM, another program may be editing the same file If this is the solution of the case

The problem is shown in

adopt vim perhaps vi When editing the file, the following appears: ：

The terminal displays as follows ：

Found a swap file by the name "/mydata/mysql/conf/.my.conf.swp"
          owned by: root   dated: Sat Jul 02 12:52:53 2022
         file name: /mydata/mysql/conf/my.conf
          modified: YES
         user name: root   host name: xx
        process ID: xx
While opening file "/mydata/mysql/conf/my.conf"
      CANNOT BE FOUND
(1) Another program may be editing the same file.  If this is the case,
    be careful not to end up with two different instances of the same
    file when making changes.  Quit, or continue with caution.
(2) An edit session for this file crashed.
    If this is the case, use ":recover" or "vim -r /mydata/mysql/conf/my.conf"
    to recover the changes (see ":help recovery").
    If you did this already, delete the swap file "/mydata/mysql/conf/.my.conf.swp"
    to avoid this message.

Swap file "/mydata/mysql/conf/.my.conf.swp" already exists!
[O]pen Read-Only, (E)dit anyway, (R)ecover, (D)elete it, (Q)uit, (A)bort: 

The screenshot is as follows ：

2. Principle analysis

stay linux In order to ensure security , If the document is inconsistent
For example, multiple people edit this file, resulting in different files 、 Last edit did not exit normally
Will generate a file suffix swp File format （ Temporary exchange file , Main backup buffer contents ）

The way of saving or writing files is correct , commonly swp Format files will be automatically deleted , If there is an error in writing , Temporary files will always exist , When you edit it again, you will always point to changing the file

Delete it and re edit it or restore it and re edit it

3. resolvent

adopt ls -al When viewing all the files
You can see swp Format （ Hide temporary files , Temporary buffer ）

vim Edit the prompt that appears ：

Solve it according to the following tips
If the file is not important , direct q sign out ,rm -rf Delete it and try again