Hi Folks, I am currently working on a c++11 asio based async connector for mariadb. The library takes advantage of mariadb’s async interface (mysql_*_start, mysql_*_cont functions). The whole point would be to prevent blocking in mysql operations and make operations cancellable via a reasonable interface. Some example code: TEST_CASE("tmp3") { init_db(); asio::io_service io; amdb::connector conn(io); bool saved = false; entity e(42, 3.14, "our entity"); amdb::auth_info auth("root"); conn.async_connect(amdb::null_endpoint, "edbtest", auth, amdb::default_flags, [&] (const std::error_code& ec) { REQUIRE(!ec); conn.async_write_entity(e, [&] (const std::error_code &ec) { INFO(ec); REQUIRE(!ec); if (!ec) { saved = true; } io.stop(); }); }); io.run(); REQUIRE(saved); } async_write_entity() is an extra feature of the lib, which is generating an sql “batch” of prepared statements to persist hierarchical objects and executes that batch. Unfortunately I am receiving an error 2006 from my very first mysql_stmt_prepare call. This error roughly translates to "connection to mysql server is gone”. I cannot really spot the issue with my operation, could someone give me a hint about this error (typical causes, what to check, etc etc.)? I am a bit clueless here how to tackle this problem. Since the batch generation/execution code is a bit convoluted and complex, i would not paste it here now, but if someone can point me in the right direction i can share relevant parts. Thanks in advance Andras -- András Szabó Sent with Airmail