Description:
On a 8.2.0 debug build:
$ ./mtr rpl.rpl_replication_observers_example_plugin_ongoing_transaction
...
[ 25%] rpl.rpl_replication_observers_example_plugin_ongoing_transaction 'mix' [ fail ]
Test ended at 2023-11-28 15:42:39
CURRENT_TEST: rpl.rpl_replication_observers_example_plugin_ongoing_transaction
mysqltest: At line 50: Query 'let $success= `$wait_condition`' failed.
ERROR 2013 (HY000): Lost connection to MySQL server during query
In included file ./include/wait_condition.inc: 61
included from /Users/laurynas/vilniusdb/mysql-8.2.0/mysql-test/suite/rpl/t/rpl_replication_observers_example_plugin_ongoing_transaction.test: 95
The result from queries just before the failure was:
INSERT INTO t1 VALUES (2);;
# 3. Leave a transaction open without commit (counted)
[connection con4]
BEGIN;
INSERT INTO t2 VALUES(1);
# 4. Leave a transaction stuck on after commit
[connection con5]
SET @@GLOBAL.DEBUG='+d,bgc_after_after_commit_stage';
INSERT INTO t2 VALUES (3);;
[connection con1]
SET @@GLOBAL.DEBUG='-d,bgc_after_after_commit_stage';
#
# 5. Execute a query that on a server hook will count the number of
# queries
SET @@GLOBAL.DEBUG= '+d,validate_replication_observers_plugin_counts_transactions';
INSERT INTO t2 VALUES (10);;
[connection con6]
SET @@GLOBAL.DEBUG= '-d,validate_replication_observers_plugin_counts_transactions';
...
Assertion failed: (size == 3), function test_server_count_transactions, file replication_observers_example.cc, line 1044.
2023-11-28T13:42:38Z UTC - mysqld got signal 6 ;
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.
Thread pointer: 0x12f963200
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 16ee72eb8 thread_stack 0x100000
0 mysqld 0x000000010472b0b8 my_print_stacktrace(unsigned char const*, unsigned long) + 72
1 mysqld 0x0000000103516380 print_fatal_signal(int) + 780
2 mysqld 0x00000001035165d0 handle_fatal_signal + 120
3 libsystem_platform.dylib 0x000000019048fa24 _sigtramp + 56
4 libsystem_pthread.dylib 0x0000000190460cc0 pthread_kill + 288
5 libsystem_c.dylib 0x0000000190370a40 abort + 180
6 libsystem_c.dylib 0x000000019036fd30 err + 0
7 replication_observers_example_plugi 0x000000011027aff0 test_server_count_transactions() + 344
8 replication_observers_example_plugi 0x0000000110277ac0 trans_before_dml(Trans_param*, int&) + 452
9 mysqld 0x000000010422f574 Trans_delegate::before_dml(THD*, int&) + 532
10 mysqld 0x00000001030c3e18 run_before_dml_hook(THD*) + 148
11 mysqld 0x00000001032b7140 Sql_cmd_dml::execute(THD*) + 1828
12 mysqld 0x0000000103209290 mysql_execute_command(THD*, bool) + 10356
13 mysqld 0x0000000103204950 dispatch_sql_command(THD*, Parser_state*) + 2636
14 mysqld 0x00000001032006b8 dispatch_command(THD*, COM_DATA const*, enum_server_command) + 7596
15 mysqld 0x0000000103202ecc do_command(THD*) + 1964
16 mysqld 0x00000001034e73b8 handle_connection(void*) + 492
17 mysqld 0x000000010564ccc8 pfs_spawn_thread(void*) + 288
18 libsystem_pthread.dylib 0x0000000190461034 _pthread_start + 136
19 libsystem_pthread.dylib 0x000000019045be3c thread_start + 8
How to repeat:
See above