Possible causes: * Someone is writing to the Slave. * The Slave was not in synch with the Master. * Schemas are different between Master and Slave. * Someone is changing the POS for replication.
After you have eliminated those possibilities, provide SHOW SLAVE STATUS \G SHOW MASTER STATUS; SHOW CREATE TABLE (for a table that is in trouble) > -----Original Message----- > From: Néstor [mailto:rot...@gmail.com] > Sent: Friday, November 30, 2012 1:24 PM > To: mysql@lists.mysql.com > Subject: MySQL Replication Error > > I am trying to set up mysql replication on 2 systems but Once I get it > going, I get the following an error 1062, which is a duplicate entry > and my 'slave status' shows: > Slave_IO_Running: Yes > Slave_SQL_Running: No > > And this is the error on my mysql.err file: > 121130 12:41:53 [Note] Slave I/O thread killed while reading event > 121130 12:41:53 [Note] Slave I/O thread exiting, read up to log 'mysql- > bin.000266', position 76841310 > 121130 12:41:57 [Note] Slave SQL thread initialized, starting > replication in log 'mysql-bin.000265' at position 99071761, relay log > '/var/log/mysql/mysql-relay-bin.000006' position: 98589371 > 121130 12:41:57 [Note] Slave I/O thread: connected to master ' > sdcwa_slave@10.168.1.21:3306', replication started in log 'mysql- > bin.000266' at position 76841310 > 121130 12:41:57 [ERROR] Slave: Error 'Duplicate entry 'links:primary- > links:tree-data:7b7216a15969aa93e5dfb9aaa24bfc32' for key 1' > on query. Default database: 'parallax'. Query: 'INSERT INTO cache_menu > (cid, data, created, expire, headers, serialized) VALUES > ('links:primary-links:tree-data:7b7216a15969aa93e5dfb9aaa24bfc32', > 'a:2:{s:4:\"tree\";a:19:{i:310;a:2:{s:4:\"link\";a:38:{s:14:\"load_func > tions\";s:26:\"a:1:{i:1;s:9:\"node_load\";}\";s:16:\"to_arg_functions\" > ;s:0:\"\";s:15:\"access_callback\";s:11:\"node_access\";s:16:\"access_a > rguments\";s:29:\"a:2:{i:0;s:4:\"view\";i:1;i:1;}\";s:13:\"page_callbac > k\";s:14:\"node_page_view\";s:14:\"page_arguments\";s:14:\"a:1:{i:0;i:1 > ;}\";s:5:\"title\";s:0:\"\";s:14:\"title_callback\";s:15:\"node_page_ti > tle\";s:15:\"title_arguments\";s:14:\"a:1:{i:0;i:1;}\";s:4:\"type\";s:1 > :\"4\";s:11:\"description\";s:0:\"\";s:9:\"menu_name\";s:13:\"primary- > links\";s:4:\"mlid\";s:3:\"310\";s:4:\"plid\";s:1:\"0\";s:9:\"link_path > \";s:7:\"node/14\";s:11:\"router_path\";s:6:\"node/%\";s:10:\"link_titl > e\";s:11:\"Wh > 121130 12:41:57 [ERROR] Error running query, slave SQL thread aborted. > Fix the problem, and restart the slave SQL thread with "SLAVE START". > We stopped at log 'mysql-bin.000265' position 99451408 > > I done searches on google and I look at several sites and basically > they say to do the following: > mysql> stop slave; > mysql> SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1; start slave; show slave > mysql> status\G > > But after doing this a couple of minutes later I get the same situation > > I have re-installed the database on the slave also to see if this fixes > the problem but after a few minutes I get the same error. I have > repeated the replication from the beginning but I get the same problem > after a while. > > Does anyone know a way to fix this? > > Thanks, > > Néstor -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql