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Description
Test flow
- start server with SEQUENCE and InnoDB - kill server (do not shut down, make it die) - start server without SEQUENCE => server does not start
Note: It does not matter which xa-capable engine is missing, and whether it is missing or it newly appeared, only the number matters. E.g. it can be reproduced by adding TokuDB instead of removing SEQUENCE; on the other hand, if you remove SEQUENCE and add TokuDB at once, the server starts all right, because the number of engines is the same.
Test case
--source include/have_innodb.inc --echo # Shutdown the server... --exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect --shutdown_server 10 --source include/wait_until_disconnected.inc --echo # Restart the server with SEQUENCE enabled.... --exec echo "restart:--sequence --plugin-load-add=ha_sequence.so" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect --enable_reconnect --source include/wait_until_connected_again.inc select engine, support from information_schema.engines; --echo # Kill the server.... --exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect --shutdown_server 0 --source include/wait_until_disconnected.inc --echo # Restart the server without SEQUENCE.... --exec echo "restart:--loose-skip-sequence" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect --enable_reconnect --source include/wait_until_connected_again.inc select engine, support from information_schema.engines; --echo # All done.
2015-09-11 20:15:30 139911419701088 [ERROR] Recovery failed! You must enable exactly 3 storage engines that support two-phase commit protocol
2015-09-11 20:15:30 139911419701088 [ERROR] Crash recovery failed. Either correct the problem (if it's, for example, out of memory error) and restart, or delete tc log and start mysqld with --tc-heuristic-recover={commit|rollback}
2015-09-11 20:15:30 139911419701088 [ERROR] Can't init tc log
2015-09-11 20:15:30 139911419701088 [ERROR] Aborting
Also, the number it reports looks weird. When there were two engines and one is gone, it asks for 3, etc.
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