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Fix for BUG#3401 "Rare replication bug which leads to "Binlog has bad magic number" from slave":

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Backport of a part of this changeset of 4.1:
ChangeSet@1.1753.1.1, 2004-04-05 13:56:05+03:00, monty@mysql.com
which fixes the bug.
This commit is contained in:
guilhem@mysql.com 2004-04-07 01:14:11 +02:00
parent da6685fba5
commit 44a6fcba2f
1 changed files with 11 additions and 0 deletions
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11
sql/slave.cc
View file

@ -1609,7 +1609,18 @@ int init_master_info(MASTER_INFO* mi, const char* master_info_fname,
DBUG_ENTER("init_master_info");
if (mi->inited)
{
/*
We have to reset read position of relay-log-bin as we may have
already been reading from 'hotlog' when the slave was stopped
last time. If this case pos_in_file would be set and we would
get a crash when trying to read the signature for the binary
relay log.
*/
my_b_seek(mi->rli.cur_log, (my_off_t) 0);
DBUG_RETURN(0);
}
mi->mysql=0;
mi->file_id=1;
mi->ignore_stop_event=0;