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 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;