connection node_2; connection node_1; connect master, 127.0.0.1, root, , test, $NODE_MYPORT_3; connect node_1_ctrl, 127.0.0.1, root, , test, $NODE_MYPORT_1; connection node_1; START SLAVE; connection master; CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB; connection node_1; SET GLOBAL debug_dbug = '+d,rpl_parallel_simulate_temp_err_xid,sync.wsrep_retry_event_group'; connection master; INSERT INTO t1 VALUES (1); connection node_1_ctrl; SET debug_sync = 'now WAIT_FOR sync.wsrep_retry_event_group_reached'; SET GLOBAL debug_dbug = ''; SET debug_sync = 'now SIGNAL signal.wsrep_retry_event_group'; connection node_1; SET debug_sync = 'RESET'; connection master; DROP TABLE t1; connection node_1; STOP SLAVE;