Failure on startup if "journal" is symbolic link: error creating directory /data/db/journal: File exists: "/data/db/journal" about mongo HOT 2 CLOSED

$ mkdir mongo-data mongo-journal
$ docker run -d -v ~/mongo-data/:/data/db/ -v ~/mongo-journal/:/data/db/journal/ mongo
$ ls -ln mongo-*/
mongo-data/:
total 104
-rw-r--r-- 1 999 1000 16384 Jan 27 15:10 collection-0--5103028317213166617.wt
drwxr-sr-x 2 999 1000  4096 Jan 27 15:10 diagnostic.data
-rw-r--r-- 1 999 1000 16384 Jan 27 15:10 index-1--5103028317213166617.wt
drwxr-sr-x 2   0 1000  4096 Jan 27 15:09 journal
-rw-r--r-- 1 999 1000 16384 Jan 27 15:10 _mdb_catalog.wt
-rw-r--r-- 1 999 1000     2 Jan 27 15:09 mongod.lock
-rw-r--r-- 1 999 1000  4096 Jan 27 15:09 sizeStorer.wt
-rw-r--r-- 1 999 1000    95 Jan 27 15:09 storage.bson
-rw-r--r-- 1 999 1000    49 Jan 27 15:09 WiredTiger
-rw-r--r-- 1 999 1000  4096 Jan 27 15:09 WiredTigerLAS.wt
-rw-r--r-- 1 999 1000    21 Jan 27 15:09 WiredTiger.lock
-rw-r--r-- 1 999 1000   910 Jan 27 15:10 WiredTiger.turtle
-rw-r--r-- 1 999 1000 20480 Jan 27 15:10 WiredTiger.wt

mongo-journal/:
total 307212
-rw-r--r-- 1 999 1000 104857728 Jan 27 15:10 WiredTigerLog.0000000001
-rw-r--r-- 1 999 1000 104857728 Jan 27 15:09 WiredTigerPreplog.0000000001
-rw-r--r-- 1 999 1000 104857728 Jan 27 15:09 WiredTigerPreplog.0000000002