Unable to get private key from

版本:5.7.18

错误信息:
2017-05-31T14:14:07.001316Z 0 [Note] Found ca.pem, server-cert.pem and server-key.pem in data directory. Trying to enable SSL support using them.
2017-05-31T14:14:07.001451Z 0 [ERROR] SSL error: Unable to get private key from 'server-key.pem'
2017-05-31T14:14:07.001463Z 0 [Warning] Failed to set up SSL because of the following SSL library error: Unable to get private key

查看文件权限:
[mysql@izwz9gxsbwybwg9n5xdi47z data]$ ls -al
total 98372
drwxr-xr-x  5 mysql mysql     4096 May 31 22:14 .
drwxr-xr-x 14 mysql mysql     4096 May 31 22:00 ..
-rw-r-----  1 mysql mysql       56 May 31 22:06 auto.cnf
-rw-------  1 mysql mysql     1675 May 31 22:08 ca-key.pem
-rw-r--r--  1 mysql mysql     1074 May 31 22:08 ca.pem
-rw-r--r--  1 mysql mysql     1078 May 31 22:08 client-cert.pem
-rw-------  1 mysql mysql     1675 May 31 22:08 client-key.pem
-rw-r-----  1 mysql mysql 50331648 May 31 22:06 ib_logfile0
-rw-r-----  1 mysql mysql 50331648 May 31 22:06 ib_logfile1
-rw-r-----  1 mysql mysql        6 May 31 22:14 izwz9gxsbwybwg9n5xdi47z.pid
drwxr-x---  2 mysql mysql     4096 May 31 22:06 mysql
drwxr-x---  2 mysql mysql     4096 May 31 22:06 performance_schema
-rw-------  1 mysql mysql     1675 May 31 22:08 private_key.pem
-rw-r--r--  1 mysql mysql      451 May 31 22:08 public_key.pem
-rw-r--r--  1 mysql mysql     1078 May 31 22:08 server-cert.pem
-rw-------  1 mysql mysql     1679 May 31 22:08 server-key.pem
drwxr-x---  2 mysql mysql    12288 May 31 22:06 sys

加上R权限
[mysql@izwz9gxsbwybwg9n5xdi47z data]$ chmod 644 server-key.pem

[mysql@izwz9gxsbwybwg9n5xdi47z data]$ ls -al
total 98372
drwxr-xr-x  5 mysql mysql     4096 May 31 22:14 .
drwxr-xr-x 14 mysql mysql     4096 May 31 22:00 ..
-rw-r-----  1 mysql mysql       56 May 31 22:06 auto.cnf
-rw-------  1 mysql mysql     1675 May 31 22:08 ca-key.pem
-rw-r--r--  1 mysql mysql     1074 May 31 22:08 ca.pem
-rw-r--r--  1 mysql mysql     1078 May 31 22:08 client-cert.pem
-rw-------  1 mysql mysql     1675 May 31 22:08 client-key.pem
-rw-r-----  1 mysql mysql 50331648 May 31 22:06 ib_logfile0
-rw-r-----  1 mysql mysql 50331648 May 31 22:06 ib_logfile1
-rw-r-----  1 mysql mysql        6 May 31 22:14 izwz9gxsbwybwg9n5xdi47z.pid
drwxr-x---  2 mysql mysql     4096 May 31 22:06 mysql
drwxr-x---  2 mysql mysql     4096 May 31 22:06 performance_schema
-rw-------  1 mysql mysql     1675 May 31 22:08 private_key.pem
-rw-r--r--  1 mysql mysql      451 May 31 22:08 public_key.pem
-rw-r--r--  1 mysql mysql     1078 May 31 22:08 server-cert.pem
-rw-r--r--  1 mysql mysql     1679 May 31 22:08 server-key.pem
drwxr-x---  2 mysql mysql    12288 May 31 22:06 sys

重启后错误再没有出现。