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MXS-2562: Always send errors with sequence number 1

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As is explained in MDEV-19893:

   Client reads from socket, gets the packet from 1. with seqno=0, which
   it does not expect, since seqno is supposed to be incremented. Client
   complains, throws tantrums and exceptions.

To cater for clients that do not expect out-of-bound messages
(i.e. server-initiated packets with seqno 0), all messages generated by
MaxScale should use at least sequence number 1.
This commit is contained in:
Markus Mäkelä
2019-06-27 18:32:27 +03:00
parent 5ab5e914e7
commit 74d15cee09
1 changed files with 1 additions and 1 deletions
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2
server/modules/protocol/MySQL/mariadbclient/mysql_client.cc
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@ -1594,7 +1594,7 @@ static int gw_client_hangup_event(DCB* dcb)
errmsg += ": " + extra; errmsg += ": " + extra;
} }
modutil_send_mysql_err_packet(dcb, 0, 0, 1927, "08S01", errmsg.c_str()); modutil_send_mysql_err_packet(dcb, 1, 0, 1927, "08S01", errmsg.c_str());
} }
dcb_close(dcb); dcb_close(dcb);
} }