canal报错:c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position just show master status

c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position just show master status

2018-12-27 08:39:49.808 [destination = example , address = /127.0.0.1:3308 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position just show master status
2018-12-27 08:42:17.375 [destination = example , address = /127.0.0.1:3308 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - find start position : EntryPosition[included=false,journalName=mysql-bin.000036,position=75387792,serverId=1,gtid=,timestamp=1545871169000]
2018-12-27 08:42:17.378 [destination = example , address = /127.0.0.1:3308 , EventParser] ERROR c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - dump address /127.0.0.1:3308 has an error, retrying. caused by
java.lang.IllegalArgumentException: null
at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1310) ~[na:1.7.0_67]
at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1233) ~[na:1.7.0_67]
at java.util.concurrent.Executors.newFixedThreadPool(Executors.java:114) ~[na:1.7.0_67]
at com.alibaba.otter.canal.parse.inbound.mysql.MysqlMultiStageCoprocessor.start(MysqlMultiStageCoprocessor.java:84) ~[canal.parse-1.1.0.jar:na]
at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:238) ~[canal.parse-1.1.0.jar:na]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]
2018-12-27 08:42:17.379 [destination = example , address = /127.0.0.1:3308 , EventParser] ERROR com.alibaba.otter.canal.common.alarm.LogAlarmHandler - destination:example[java.lang.IllegalArgumentException
at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1310)
at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1233)
at java.util.concurrent.Executors.newFixedThreadPool(Executors.java:114)
at com.alibaba.otter.canal.parse.inbound.mysql.MysqlMultiStageCoprocessor.start(MysqlMultiStageCoprocessor.java:84)
at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:238)
at java.lang.Thread.run(Thread.java:745)

 

 

更改源库数据时候canal日志中打印上述错误,原因是由于CPU的问题

 

解决办法:

找到canal/conf/canal.properties 文件,找到设置   

canal.instance.parser.parallelThreadSize = 16

把这个设置数设置大一些,如果是注释状态要放开;

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