encryption.innodb-bad-key-change2 failed in buildbot with Can't connect to local MySQL server through socket

encryption.innodb-bad-key-change2 'innodb_plugin' w4 [ fail ]

        Test ended at 2019-03-28 14:38:07

CURRENT_TEST: encryption.innodb-bad-key-change2

mysqltest: In included file "./include/wait_until_connected_again.inc": 

included from ./include/restart_mysqld.inc at line 52:

included from /usr/share/mysql/mysql-test/suite/encryption/t/innodb-bad-key-change2.test at line 49:

At line 12: query 'whiile ($mysql_errno)

{

# Strangely enough, the server might return "Too many connections"

  # while being shutdown, thus 1040 is an "allowed" error

# See BUG#36228

--error 0,ER_CON_COUNT_ERROR,ER_SERVER_SHUTDOWN,ER_LOCK_WAIT_TIMEOUT,ER_CONNECTION_KILLED,2002,2003,2005,2006,2013

show status' failed: 2002: Can't connect to local MySQL server through socket '/dev/shm/var/tmp/4/mysqld.1.sock' (2 "No such file or directory")

The result from queries just before the failure was:

< snip >

ALTER TABLE t1 engine=InnoDB;

ERROR HY000: Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB

SHOW WARNINGS;

Level	Code	Message

Warning	192	Table "test"."t1" in file ./test/t1.ibd is encrypted but encryption service or used key_id is not available.  Can't continue reading table.

Error	1296	Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB

OPTIMIZE TABLE t1;

Table	Op	Msg_type	Msg_text

test.t1	optimize	Warning	Table "test"."t1" in file ./test/t1.ibd is encrypted but encryption service or used key_id is not available.  Can't continue reading table.

test.t1	optimize	Error	Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB

test.t1	optimize	error	Corrupt

SHOW WARNINGS;

Level	Code	Message

CHECK TABLE t1;

Table	Op	Msg_type	Msg_text

test.t1	check	Warning	Table "test"."t1" in file ./test/t1.ibd is encrypted but encryption service or used key_id is not available.  Can't continue reading table.

test.t1	check	Error	Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB

test.t1	check	error	Corrupt

SHOW WARNINGS;

Level	Code	Message

More results from queries before failure can be found in /dev/shm/var/4/log/innodb-bad-key-change2.log