/home/david/Documents//Japan 「日本」/Folder/170516_Memo.odt does not exist.
Checking the directory in the terminal reveals that the files exist, however file names containing Japanese characters are not displayed correctly (the directory path however shows Kanji correctly!):
Even the files, that do not contain Japanese characters won’t open in LO.
On the other hand, photos that are placed in the pictures directory with Japanese characters open just fine.
no issues here opening files containing Japanese characters (or in directories with Japanese characters) on my English / Japanese 42.3 system.
Have language in Yast set to en_NZ & use UTF-8 encoding.
Have you set in Libreoffice > tools > options > language settings > languages > Asian - Japanese
I don’t think libreoffice is your issue though as I get
farcus@linux-aw6a:~/Documents/Japan 「日本」> ls
テスト.odt