Error response from daemon: mount /opt/jumpserver/config/mariadb/mariadb.cnf:/va

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Error response from daemon: mount /opt/jumpserver/config/mariadb/mariadb.cnf:/var/lib/docker/overlay2/a0ecacd1f734d4729dda971531bd0f26f35260724ae2a2cf1328e2c06822ad28/merged/etc/mysql/mariadb.cnf, flags: 0x5000: not a directory
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提示报错：
$ V0 r9 A2 S2 D* R无法docker cp 容器里的文件到操作系统中：
docker cp jms_mysql:/tmp/jumpserver.sql /tmp/
  @# U6 k5 ^- i' V0 `Error response from daemon: mount /opt/jumpserver/config/mariadb/mariadb.cnf:/var/lib/docker/overlay2/a0ecacd1f734d4729dda971531bd0f26f35260724ae2a2cf1328e2c06822ad28/merged/etc/mysql/mariadb.cnf, flags: 0x5000: not a directory
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解决办法就是
cd  /opt/jumpserver/config/mariadb/
  ~" G5 d3 f7 r cd  /opt/jumpserver/config/mariadb/
[root@localhost mariadb]# ls
mariadb.cnf  
[root@localhost mariadb]# ls
" o7 }, f, K, _2 Omariadb.cnf  

; Z0 w7 s; [8 I9 P! U! K [root@localhost mariadb]#rm -rf mariadb.cnf

. Y$ ?' N% ]% c创建一个mariadb.cnf文件
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vim mariadb.cnf
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/ F* ^" K, m9 p2 [& C/ u, Q# The MariaDB configuration file
* c) ^4 Y7 y- F#
# p* S% V1 f' ?2 Y, l# \) B$ d, `# The MariaDB/MySQL tools read configuration files in the following order:
# 0. "/etc/mysql/my.cnf" symlinks to this file, reason why all the rest is read.
4 m5 y' k) K7 U: y9 O8 Q6 r4 T3 g- z# 1. "/etc/mysql/mariadb.cnf" (this file) to set global defaults,
5 `# ]+ H2 G% G$ M9 S6 {% }* |# 2. "/etc/mysql/conf.d/*.cnf" to set global options.
# 3. "/etc/mysql/mariadb.conf.d/*.cnf" to set MariaDB-only options.
, o: Z8 b/ r$ D1 S  \0 [# 4. "~/.my.cnf" to set user-specific options.
#
/ r% P& J" q7 j& e# If the same option is defined multiple times, the last one will apply.
#
7 {" o9 K% |+ r3 V9 O# One can use all long options that the program supports.
( `9 B- k" g% t# O# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
% B& S' w0 Q" T/ s3 d) l7 t#
# If you are new to MariaDB, check out https://mariadb.com/kb/en/basic-mariadb-articles/

#
# This group is read both by the client and the server
# use it for options that affect everything
#
1 \7 L- Q" `0 l  q6 Y[client-server]
# Port or socket location where to connect
# port = 3306
( D/ B% K% j& G3 j+ ?9 Fsocket = /run/mysqld/mysqld.sock
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: P8 _/ |* @2 O' d; `# Import all .cnf files from configuration directory
' ]) m+ M. H+ g( E; o& I[mariadbd]
3 D& z4 X$ u. {: h8 `+ w" q9 J& pskip-host-cache
( G$ f# f' @  j; R* Z" p. m/ Zskip-name-resolve

!includedir /etc/mysql/mariadb.conf.d/
!includedir /etc/mysql/conf.d/


, B6 Y* d8 L* N: n保存退出就可以解决问题。
再次docker cp就可以正常复制了。
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2 G6 _! o/ i) R" w% l% L[root@localhost mariadb]# docker cp jms_mysql:/tmp/jumpserver.sql /tmp/
8 f& Q) ]' S2 k0 A) u6 Q$ h; b6 gSuccessfully copied 2.96MB to /tmp/

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6 Z' s. W7 ]# s' \  O完美解决。
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