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MDEV-17801: Galera test failure on galera_var_reject_queries
Problem was that controlling connection i.e. connection that executed the query SET GLOBAL wsrep_reject_queries = ALL_KILL; was also killed but server would try to send result from that query to controlling connection resulting a assertion mysqld: /home/jan/mysql/10.2-sst/include/mysql/psi/mysql_socket.h:738: inline_mysql_socket_send: Assertion `mysql_socket.fd != -1' failed. as socket was closed when controlling connection was closed. wsrep_close_client_connections() Do not close controlling connection and instead of wsrep_close_thread() we do now soft kill by THD::awake wsrep_reject_queries_update() Call wsrep_close_client_connections using current thd.
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Jan Lindström
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Nov 26, 2018
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