############################################################ # 1. Prepare the data for the test. CREATE TABLE t1 (c1 INT PRIMARY KEY); ############################################################ # 2. Execute a XA PREPARE with id '1'. XA START 'xid1'; INSERT INTO t1 VALUES (1); XA END 'xid1'; XA PREPARE 'xid1'; # Waiting for the connection server1_conn2 disappeared on the server side ############################################################ # 3. Force a local failure in before_commit listener on the # XA COMMIT. # Wait until a record about a prepared XA transaction be found in output of XA RECOVER. # Having two conditions satisfied (first one for disappeared connection server1_conn2 # and the second one for presence of the prepared XA transaction with xid value equaled xid1) # guarantees that the connection server1_conn2 was really closed and a prepared XA transaction # with xid1 was really placed into an internal server cache of prepared XA transactions. # Output result of XA RECOVER into result file for sanity check. XA RECOVER; formatID gtrid_length bqual_length data 1 4 0 xid1 SET @debug_save= @@GLOBAL.DEBUG; SET @@GLOBAL.DEBUG= '+d,simulate_failure_in_before_commit_hook'; XA COMMIT 'xid1'; ERROR HY000: Error on observer while running replication hook 'before_commit'. SHOW ERRORS; Level Code Message Error 3100 Error on observer while running replication hook 'before_commit'. Error 1401 XAER_RMERR: Fatal error occurred in the transaction branch - check your data for consistency SET @@GLOBAL.DEBUG= @debug_save; ############################################################ # 4. Clean up. DROP TABLE t1; # restart CALL mtr.add_suppression("Found 1 prepared XA transactions"); XA ROLLBACK 'xid1';