mysql+canal啟動報錯
阿新 • • 發佈:2021-02-11
1.當刪除binlog.00000x 日誌可能mysql再啟動不了,需要把binlog.index清空
2.Mysql重新安裝或者安裝高版本的時候,canal啟動報錯
2020-07-06 07:10:39.236 [destination = example , address = bigdata101/192.168.1.96:3306 ,
EventParser] ERROR c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - dump address bigdata101/192.168.1.96:3306 has an error, retrying. caused by
java.io.IOException: Received error packet: errno = 1236,
sqlstate = HY000 errmsg = Could not find first log file name in binary log index file
解決辦法:/opt/module/canal/conf/example/ meta.dat 刪除
Mysql8 預設開啟binlog和format=row
使用Canal需要在mysql my.conf中增添 service-id
3.Canal HA 第二臺機器報錯
1.提高允許的max_connection_errors數量(治標不治本):
① 進入Mysql資料庫檢視max_connection_errors:
show variables like '%max_connection_errors%' ;
② 修改max_connection_errors的數量為1000:
set global max_connect_errors = 1000;
2.第二步可以在資料庫中進行,命令如下:
flush hosts;
附加:Canal HA配置
修改canal.properties檔案
canal.zkServers=192.168.207.141:2181,192.168.207.142:2181,192.168.207.143:2181
修改instance.properties檔案
canal.instance.mysql.slaveId = 1234 #兩臺不一樣
position info
canal.instance.master.address = 192.168.207.141:3306
canal.instance.dbUsername = root
canal.instance.dbPassword = 123456
canal.instance.defaultDatabaseName = canal
canal.instance.connectionCharset = UTF-8