canal-admin 1.1.5 启动实例，对应目录下没有生成meta.bat文件，日志运行正常，但是kafka中没有数据。

server配置

################################################# ######### common argument ############# #################################################

tcp bind ip

canal.ip =

register ip to zookeeper

canal.register.ip = canal.port = 11111 canal.metrics.pull.port = 11112

canal instance user/passwd

canal.user = canal

canal.passwd = E3619321C1A937C46A0D8BD1DAC39F93B27D4458

canal admin config

#canal.admin.manager = 127.0.0.1:8089 canal.admin.port = 11110 canal.admin.user = admin canal.admin.passwd = 123456

canal.zkServers =

flush data to zk

canal.zookeeper.flush.period = 1000 canal.withoutNetty = false

tcp, kafka, rocketMQ, rabbitMQ

canal.serverMode = kafka

flush meta cursor/parse position to file

canal.file.data.dir = ${canal.conf.dir} canal.file.flush.period = 1000

memory store RingBuffer size, should be Math.pow(2,n)

canal.instance.memory.buffer.size = 16384

memory store RingBuffer used memory unit size , default 1kb

canal.instance.memory.buffer.memunit = 1024

meory store gets mode used MEMSIZE or ITEMSIZE

canal.instance.memory.batch.mode = MEMSIZE canal.instance.memory.rawEntry = true

detecing config

canal.instance.detecting.enable = false #canal.instance.detecting.sql = insert into retl.xdual values(1,now()) on duplicate key update x=now() canal.instance.detecting.sql = select 1 canal.instance.detecting.interval.time = 3 canal.instance.detecting.retry.threshold = 3 canal.instance.detecting.heartbeatHaEnable = false

support maximum transaction size, more than the size of the transaction will be cut into multiple transactions delivery

canal.instance.transaction.size = 1024

mysql fallback connected to new master should fallback times

canal.instance.fallbackIntervalInSeconds = 60

network config

canal.instance.network.receiveBufferSize = 16384 canal.instance.network.sendBufferSize = 16384 canal.instance.network.soTimeout = 30

binlog filter config

canal.instance.filter.druid.ddl = true canal.instance.filter.query.dcl = false canal.instance.filter.query.dml = false canal.instance.filter.query.ddl = false canal.instance.filter.table.error = false canal.instance.filter.rows = false canal.instance.filter.transaction.entry = false

binlog format/image check

canal.instance.binlog.format = ROW,STATEMENT,MIXED canal.instance.binlog.image = FULL,MINIMAL,NOBLOB

binlog ddl isolation

canal.instance.get.ddl.isolation = false

parallel parser config

canal.instance.parser.parallel = true

concurrent thread number, default 60% available processors, suggest not to exceed Runtime.getRuntime().availableProcessors()

#canal.instance.parser.parallelThreadSize = 16

disruptor ringbuffer size, must be power of 2

canal.instance.parser.parallelBufferSize = 256

table meta tsdb info

canal.instance.tsdb.enable = true canal.instance.tsdb.dir = ${canal.file.data.dir:../conf}/${canal.instance.destination:} canal.instance.tsdb.url = jdbc:h2:${canal.instance.tsdb.dir}/h2;CACHE_SIZE=1000;MODE=MYSQL; canal.instance.tsdb.dbUsername = canal canal.instance.tsdb.dbPassword = canal

dump snapshot interval, default 24 hour

canal.instance.tsdb.snapshot.interval = 24

purge snapshot expire , default 360 hour(15 days)

canal.instance.tsdb.snapshot.expire = 360

################################################# ######### destinations ############# ################################################# canal.destinations =

conf root dir

canal.conf.dir = ../conf

auto scan instance dir add/remove and start/stop instance

canal.auto.scan = true canal.auto.scan.interval = 5

canal.instance.tsdb.spring.xml = classpath:spring/tsdb/h2-tsdb.xml #canal.instance.tsdb.spring.xml = classpath:spring/tsdb/mysql-tsdb.xml

canal.instance.global.mode = manager canal.instance.global.lazy = false canal.instance.global.manager.address = ${canal.admin.manager} #canal.instance.global.spring.xml = classpath:spring/memory-instance.xml canal.instance.global.spring.xml = classpath:spring/file-instance.xml #canal.instance.global.spring.xml = classpath:spring/default-instance.xml

################################################## ######### MQ Properties ############# ##################################################

aliyun ak/sk , support rds/mq

canal.aliyun.accessKey = canal.aliyun.secretKey = canal.aliyun.uid=

canal.mq.flatMessage = true canal.mq.canalBatchSize = 50 canal.mq.canalGetTimeout = 100

Set this value to "cloud", if you want open message trace feature in aliyun.

canal.mq.accessChannel = local

canal.mq.database.hash = true canal.mq.send.thread.size = 30 canal.mq.build.thread.size = 8

################################################## ######### Kafka ############# ################################################## kafka.bootstrap.servers = broker:9092 kafka.acks = all kafka.compression.type = none kafka.batch.size = 16384 kafka.linger.ms = 1 kafka.max.request.size = 1048576 kafka.buffer.memory = 33554432 kafka.max.in.flight.requests.per.connection = 1 kafka.retries = 0

kafka.kerberos.enable = false kafka.kerberos.krb5.file = "../conf/kerberos/krb5.conf" kafka.kerberos.jaas.file = "../conf/kerberos/jaas.conf"

################################################## ######### RocketMQ ############# ################################################## rocketmq.producer.group = test rocketmq.enable.message.trace = false rocketmq.customized.trace.topic = rocketmq.namespace = rocketmq.namesrv.addr = 127.0.0.1:9876 rocketmq.retry.times.when.send.failed = 0 rocketmq.vip.channel.enabled = false

################################################## ######### RabbitMQ ############# ################################################## rabbitmq.host = rabbitmq.virtual.host = rabbitmq.exchange = rabbitmq.username = rabbitmq.password =

实例配置

#################################################

mysql serverId , v1.0.26+ will autoGen

canal.instance.mysql.slaveId=1112

enable gtid use true/false

canal.instance.gtidon=false

position info

canal.instance.master.address=127.0.0.1:3306 canal.instance.master.journal.name=mybinlog.000031 canal.instance.master.position=239588509 canal.instance.master.timestamp= canal.instance.master.gtid=

rds oss binlog

canal.instance.rds.accesskey= canal.instance.rds.secretkey= canal.instance.rds.instanceId=

table meta tsdb info

canal.instance.tsdb.enable=true #canal.instance.tsdb.url=jdbc:mysql://127.0.0.1:3306/canal_tsdb #canal.instance.tsdb.dbUsername=canal #canal.instance.tsdb.dbPassword=canal

#canal.instance.standby.address = #canal.instance.standby.journal.name = #canal.instance.standby.position = #canal.instance.standby.timestamp = #canal.instance.standby.gtid=

username/password

canal.instance.dbUsername=username canal.instance.dbPassword=123456 canal.instance.connectionCharset = UTF-8

enable druid Decrypt database password

canal.instance.enableDruid=false #canal.instance.pwdPublicKey=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALK4BUxdDltRRE5/zXpVEVPUgunvscYFtEip3pmLlhrWpacX7y7GCMo2/JM6LeHmiiNdH1FWgGCpUfircSwlWKUCAwEAAQ==

table regex

canal.instance.filter.regex=db.table

table black regex

canal.instance.filter.black.regex=

table field filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)

#canal.instance.filter.field=test1.t_product:id/subject/keywords,test2.t_company:id/name/contact/ch

table field black filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)

#canal.instance.filter.black.field=test1.t_product:subject/product_image,test2.t_company:id/name/contact/ch

mq config

canal.mq.topic=KAKA_TOPIC

dynamic topic route by schema or table regex

#canal.mq.dynamicTopic=mytest1.user,mytest2\..,.\..* canal.mq.partition=0

hash partition config

#canal.mq.partitionsNum=3 #canal.mq.partitionHash=test.table:id^name,.\.. #################################################

日志

2021-03-30 15:30:40.340 [canal-instance-scan-0] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [canal.properties] 2021-03-30 15:30:40.340 [canal-instance-scan-0] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [DEMO/instance.properties] 2021-03-30 15:30:40.340 [canal-instance-scan-0] WARN c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Could not load properties from class path resource [DEMO/instance.properties]: class path resource [DEMO/instance.properties] cannot be opened because it does not exist 2021-03-30 15:30:40.350 [canal-instance-scan-0] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [canal.properties] 2021-03-30 15:30:40.350 [canal-instance-scan-0] INFO c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Loading properties file from class path resource [DEMO/instance.properties] 2021-03-30 15:30:40.350 [canal-instance-scan-0] WARN c.a.o.c.i.spring.support.PropertyPlaceholderConfigurer - Could not load properties from class path resource [DEMO/instance.properties]: class path resource [DEMO/instance.properties] cannot be opened because it does not exist 2021-03-30 15:30:40.364 [canal-instance-scan-0] INFO c.a.otter.canal.instance.spring.CanalInstanceWithSpring - start CannalInstance for 1-DEMO 2021-03-30 15:30:40.364 [canal-instance-scan-0] WARN c.a.o.canal.parse.inbound.mysql.dbsync.LogEventConvert - --> init table filter : ^db.table$ 2021-03-30 15:30:40.364 [canal-instance-scan-0] WARN c.a.o.canal.parse.inbound.mysql.dbsync.LogEventConvert - --> init table black filter : 2021-03-30 15:30:40.364 [canal-instance-scan-0] INFO c.a.otter.canal.instance.core.AbstractCanalInstance - start successful.... 2021-03-30 15:30:40.372 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> begin to find start position, it will be long time for reset or first position 2021-03-30 15:30:40.950 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position mybinlog.000031:239588444:1617084100000 2021-03-30 15:30:40.963 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> find start position successfully, EntryPosition[included=false,journalName=mybinlog.000031,position=239588444,serverId=146,gtid=,timestamp=1617084100000] cost : 591ms , the next step is binlog dump

打开debug日志后，日志如下：

2021-03-30 16:39:47.563 [destination = DEMO , address = /DEMO , EventParser] DEBUG org.springframework.jdbc.datasource.DataSourceUtils - Returning JDBC Connection to DataSource 2021-03-30 16:39:47.566 [destination = DEMO , address = /DEMO , EventParser] DEBUG org.springframework.orm.ibatis.SqlMapClientTemplate - Opened SqlMapSession [com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl@41af2209] for iBATIS operation 2021-03-30 16:39:47.566 [destination = DEMO , address = /DEMO , EventParser] DEBUG org.springframework.jdbc.datasource.DataSourceUtils - Fetching JDBC Connection from DataSource 2021-03-30 16:39:47.566 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.Connection - {conn-100003} Connection 2021-03-30 16:39:47.566 [destination = DEMO , address = /DEMO , EventParser] DEBUG org.springframework.orm.ibatis.SqlMapClientTemplate - Obtained JDBC Connection [conn1: url=jdbc:h2:../conf/DEMO/h2 user=CANAL] for iBATIS operation 2021-03-30 16:39:47.566 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.Connection - {conn-100003} Preparing Statement: select xxxx from table
2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.PreparedStatement - {pstm-100004} Executing Statement: select xxxx from table
2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.PreparedStatement - {pstm-100004} Parameters: [DEMO, -2, 1617092407000] 2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.PreparedStatement - {pstm-100004} Types: [java.lang.String, java.lang.Long, java.lang.Long] 2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] DEBUG java.sql.ResultSet - {rset-100005} ResultSet 2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] DEBUG org.springframework.jdbc.datasource.DataSourceUtils - Returning JDBC Connection to DataSource 2021-03-30 16:39:47.567 [destination = DEMO , address = /DEMO , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> find start position successfully, EntryPosition[included=false,journalName=mybinlog.000031,position=269996422,serverId=146,gtid=,timestamp=1617092407000] cost : 4719ms , the next step is binlog dump 2021-03-30 16:39:47.568 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - disConnect MysqlConnection to /DEMO... 2021-03-30 16:39:47.568 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - connect MysqlConnection to /DEMO... 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - handshake initialization packet received, prepare the client authentication packet to send 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - client authentication packet is sent out. 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] DEBUG c.a.otter.canal.parse.driver.mysql.MysqlUpdateExecutor - read update result... 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - disConnect MysqlConnection to /DEMO... 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - connect MysqlConnection to /DEMO... 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - handshake initialization packet received, prepare the client authentication packet to send 2021-03-30 16:39:47.569 [destination = DEMO , address = /DEMO , EventParser] INFO c.alibaba.otter.canal.parse.driver.mysql.MysqlConnector - client authentication packet is sent out. 2021-03-30 16:39:47.578 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] DEBUG c.a.otter.canal.parse.driver.mysql.MysqlUpdateExecutor - read update result... 2021-03-30 16:39:47.579 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] DEBUG c.a.otter.canal.parse.driver.mysql.MysqlUpdateExecutor - read update result... 2021-03-30 16:39:47.579 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] DEBUG c.a.otter.canal.parse.driver.mysql.MysqlUpdateExecutor - read update result... 2021-03-30 16:39:47.579 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] DEBUG c.a.otter.canal.parse.driver.mysql.MysqlUpdateExecutor - read update result... 2021-03-30 16:39:47.579 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] INFO c.a.otter.canal.parse.inbound.mysql.MysqlConnection - Register slave RegisterSlaveCommandPacket[reportHost=xxxx,reportPort=xxxx,reportUser=username,reportPasswd=admin,serverId=1113,command=21] 2021-03-30 16:39:47.580 [destination = DEMO , address = /127.0.0.1:3306 , EventParser] INFO c.a.otter.canal.parse.inbound.mysql.MysqlConnection - COM_BINLOG_DUMP with position:BinlogDumpCommandPacket[binlogPosition=269996422,slaveServerId=1113,binlogFileName=mybinlog.000031,command=18] 2021-03-30 16:39:47.581 [MultiStageCoprocessor-other-DEMO-0] INFO com.taobao.tddl.dbsync.binlog.LogEvent - common_header_len= 19, number_of_event_types= 38

可以看到已经取到了position，猜想可能是canal内部处理有问题，但是奇怪的是没有错误日志

原提问者GitHub用户JNSimba