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MDEV-23328 Server hang due to Galera lock conflict resolution

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* Fix error handling NULL-pointer reference
* Add mtr-suppression on galera_ssl_upgrade
This commit is contained in:
Jan Lindström
2021-11-01 13:07:55 +02:00
parent db50ea3ad3
commit ea239034de
3 changed files with 15 additions and 9 deletions
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10
mysql-test/suite/galera/r/galera_ssl_upgrade.result
View File

@@ -1,7 +1,7 @@
connection node_1;
call mtr.add_suppression("WSREP: write_handler(): protocol is shutdown.*");
call mtr.add_suppression("WSREP: write_handler().*");
connection node_2;
call mtr.add_suppression("WSREP: write_handler(): protocol is shutdown.*");
call mtr.add_suppression("WSREP: write_handler():.*");
connection node_1;
connection node_2;
connection node_1;
@@ -24,5 +24,7 @@ connection node_1;
SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
VARIABLE_VALUE = 2
1
disconnect node_2;
disconnect node_1;
connection node_1;
call mtr.add_suppression("WSREP: write_handler().*");
connection node_2;
call mtr.add_suppression("WSREP: write_handler():.*");

10
mysql-test/suite/galera/t/galera_ssl_upgrade.test
View File

@@ -9,9 +9,9 @@
--source include/have_ssl_communication.inc
--connection node_1
call mtr.add_suppression("WSREP: write_handler(): protocol is shutdown.*");
call mtr.add_suppression("WSREP: write_handler().*");
--connection node_2
call mtr.add_suppression("WSREP: write_handler(): protocol is shutdown.*");
call mtr.add_suppression("WSREP: write_handler():.*");
# Save original auto_increment_offset values.
--let $node_1=node_1
@@ -72,4 +72,8 @@ SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_N
# Restore original auto_increment_offset values.
--source include/auto_increment_offset_restore.inc
--source include/galera_end.inc
--connection node_1
call mtr.add_suppression("WSREP: write_handler().*");
--connection node_2
call mtr.add_suppression("WSREP: write_handler():.*");

4
sql/sql_parse.cc
View File

@@ -9093,7 +9093,7 @@ void sql_kill(THD *thd, longlong id, killed_state state, killed_type type)
#ifdef WITH_WSREP
return;
wsrep_error_label:
my_error(ER_CANNOT_USER, MYF(0), wsrep_thd_query(thd));
my_error(ER_CANNOT_USER, MYF(0), " ");
#endif /* WITH_WSREP */
}
@@ -9128,7 +9128,7 @@ void sql_kill_user(THD *thd, LEX_USER *user, killed_state state)
#ifdef WITH_WSREP
return;
wsrep_error_label:
my_error(ER_CANNOT_USER, MYF(0), user->user.str);
my_error(ER_CANNOT_USER, MYF(0), " ");
#endif /* WITH_WSREP */
}