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MDEV-27615 Assertion `server_id.is_undefined() == false' failed

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Add test case that reproduces the issue and update wsrep-lib submodule
to include the fix.

Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
This commit is contained in:
Daniele Sciascia 2022-01-25 16:39:13 +01:00 committed by Jan Lindström
parent 3d69213e74
commit 12cad0c346
3 changed files with 100 additions and 1 deletions
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27
mysql-test/suite/galera_sr/r/MDEV-27615.result Normal file
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connection node_2;
connection node_1;
connection node_1;
connection node_2;
connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
connection node_2;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
SET DEBUG_SYNC='wsrep_before_fragment_certification SIGNAL before_fragment WAIT_FOR continue';
SET SESSION wsrep_trx_fragment_size=1;
START TRANSACTION;
INSERT INTO t1 VALUES (1);;
connection node_2a;
SET SESSION wsrep_sync_wait = 0;
SET DEBUG_SYNC='now WAIT_FOR before_fragment';
SET GLOBAL wsrep_cluster_address = '';
SET DEBUG_SYNC = 'now SIGNAL continue';
connection node_2;
ERROR HY000: Lost connection to MySQL server during query
connection node_2a;
SELECT * FROM mysql.wsrep_streaming_log;
node_uuid trx_id seqno flags frag
SELECT * FROM t1;
f1
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
disconnect node_2;
connect node_2, 127.0.0.1, root, , test, $NODE_MYPORT_2;

72
mysql-test/suite/galera_sr/t/MDEV-27615.test Normal file
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#
# MDEV-27615 - Assertion `server_id.is_undefined() == false'
# failed in wsrep::transaction::certify_fragment()
#
--source include/galera_cluster.inc
--source include/have_debug_sync.inc
--let $node_1=node_1
--let $node_2=node_2
--source suite/galera/include/auto_increment_offset_save.inc
--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
#
# Set debug sync point right before the assert
#
SET DEBUG_SYNC='wsrep_before_fragment_certification SIGNAL before_fragment WAIT_FOR continue';
SET SESSION wsrep_trx_fragment_size=1;
START TRANSACTION;
--send INSERT INTO t1 VALUES (1);
#
# Disconnect node_2 from cluster
#
--connection node_2a
SET SESSION wsrep_sync_wait = 0;
--let $node_2_cluster_address = `SELECT @@wsrep_cluster_address`
SET DEBUG_SYNC='now WAIT_FOR before_fragment';
SET GLOBAL wsrep_cluster_address = '';
--let $wait_condition = SELECT VARIABLE_VALUE = 'Disconnected' FROM information_schema.global_status WHERE VARIABLE_NAME = 'wsrep_cluster_status';
--source include/wait_condition.inc
SET DEBUG_SYNC = 'now SIGNAL continue';
#
# Disconnect causes connection to node_2 to be closed
#
--connection node_2
--error 2013 # CR_SERVER_LOST
--reap
#
# Reconnect node 2
#
--connection node_2a
--disable_query_log
--eval SET GLOBAL wsrep_cluster_address = '$node_2_cluster_address';
--enable_query_log
--source include/wait_wsrep_ready.inc
#
# Expect the transaction to be rolled back and cleanup
#
SELECT * FROM mysql.wsrep_streaming_log;
SELECT * FROM t1;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
--disconnect node_2
--connect node_2, 127.0.0.1, root, , test, $NODE_MYPORT_2
--source suite/galera/include/auto_increment_offset_restore.inc

2
wsrep-lib

@ -1 +1 @@
Subproject commit da5098b622bc6f92c9265bacf4c1168fd69b38b5
Subproject commit edd141127c11d78ef073f9f3ca61708821f20b32