Flink CDC (session模式)

1、

复制代码
# Start YARN session
./bin/yarn-session.sh --detached

2、配置文件:

复制代码
rest.bind-port: {{REST_PORT}}
rest.address: {{NODE_IP}}
execution.target: yarn-session
yarn.application.id: {{YARN_APPLICATION_ID}}

3、mysql-doris.yml

复制代码
source:
 type: mysql
 hostname: localhost
 port: 3306
 username: root
 password: 123456
 tables: app_db.\.*
 server-id: 5400-5404
 server-time-zone: UTC

sink:
 type: doris
 fenodes: 127.0.0.1:8030
 username: root
 password: ""

pipeline:
 name: Sync MySQL Database to Doris
 parallelism: 2

4、运行测试:

复制代码
./bin/flink-cdc.sh mysql-to-doris.yaml

5、相关问题:

1、Caused by: java.lang.ClassCastException: cannot assign instance of com.starrocks.connector.flink.catalog.StarRocksCatalog to field org.apache.flink.cdc.connectors.starrocks.sink.StarRocksMetadataApplier.catalog of type com.starrocks.connector.flink.catalog.StarRocksCatalog in instance of org.apache.flink.cdc.connectors.starrocks.sink.StarRocksMetadataApplier

解决方案:

classloader.resolve-order: parent-first

2、

Caused by: org.apache.flink.runtime.JobException: Cannot instantiate the coordinator for operator Source: Flink CDC Event Source: mysql -> SchemaOperator -> PrePartition

at org.apache.flink.runtime.executiongraph.ExecutionJobVertex.initialize(ExecutionJobVertex.java:229)

at org.apache.flink.runtime.executiongraph.DefaultExecutionGraph.initializeJobVertex(DefaultExecutionGraph.java:914)

at org.apache.flink.runtime.executiongraph.ExecutionGraph.initializeJobVertex(ExecutionGraph.java:218)

at org.apache.flink.runtime.executiongraph.DefaultExecutionGraph.initializeJobVertices(DefaultExecutionGraph.java:896)

at org.apache.flink.runtime.executiongraph.DefaultExecutionGraph.attachJobGraph(DefaultExecutionGraph.java:852)

at org.apache.flink.runtime.executiongraph.DefaultExecutionGraphBuilder.buildGraph(DefaultExecutionGraphBuilder.java:207)

at org.apache.flink.runtime.scheduler.DefaultExecutionGraphFactory.createAndRestoreExecutionGraph(DefaultExecutionGraphFactory.java:163)

at org.apache.flink.runtime.scheduler.SchedulerBase.createAndRestoreExecutionGraph(SchedulerBase.java:365)

at org.apache.flink.runtime.scheduler.SchedulerBase.<init>(SchedulerBase.java:210)

at org.apache.flink.runtime.scheduler.DefaultScheduler.<init>(DefaultScheduler.java:136)

at org.apache.flink.runtime.scheduler.DefaultSchedulerFactory.createInstance(DefaultSchedulerFactory.java:152)

at org.apache.flink.runtime.jobmaster.DefaultSlotPoolServiceSchedulerFactory.createScheduler(DefaultSlotPoolServiceSchedulerFactory.java:119)

at org.apache.flink.runtime.jobmaster.JobMaster.createScheduler(JobMaster.java:371)

at org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:348)

at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.internalCreateJobMasterService(DefaultJobMasterServiceFactory.java:123)

at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.lambdacreateJobMasterService0(DefaultJobMasterServiceFactory.java:95)

at org.apache.flink.util.function.FunctionUtils.lambdauncheckedSupplier4(FunctionUtils.java:112)

... 4 more

Caused by: java.lang.NoClassDefFoundError: org/apache/flink/cdc/runtime/typeutils/EventTypeInfo

at java.lang.Class.getDeclaredFields0(Native Method)

at java.lang.Class.privateGetDeclaredFields(Class.java:2583)

解决方案:

cp /BigData/run/flink-cdc/lib/flink-cdc-dist-3.1.0.jar /BigData/run/flink/lib/

3、问题3

Caused by: org.apache.flink.table.api.ValidationException: The MySQL server has a timezone offset (28800 seconds ahead of UTC) which does not match the configured timezone UTC. Specify the right server-time-zone to avoid inconsistencies for time-related fields.

解决方案1:

jdbc:mysql://hostname:port/database?serverTimezone=UTC

解决方案2:

SET table.local-time-zone = 'Asia/Shanghai'; -- 或者你所需的时区

解决方案3:

CREATE TABLE my_table (

...

) WITH (

'connector' = 'mysql-cdc',

'hostname' = 'localhost',

'port' = '3306',

...

'server-time-zone' = 'Asia/Shanghai' -- 或者你所需的时区

);

相关推荐
暗影八度2 分钟前
Spark流水线数据质量检查组件
大数据·分布式·spark
白鲸开源17 分钟前
Linux 基金会报告解读:开源 AI 重塑经济格局,有人失业,有人涨薪!
大数据
海豚调度18 分钟前
Linux 基金会报告解读:开源 AI 重塑经济格局,有人失业,有人涨薪!
大数据·人工智能·ai·开源
白鲸开源22 分钟前
DolphinScheduler+Sqoop 入门避坑:一文搞定数据同步常见异常
大数据
Edingbrugh.南空39 分钟前
Flink ClickHouse 连接器数据读取源码深度解析
java·clickhouse·flink
学术小八1 小时前
第二届云计算与大数据国际学术会议(ICCBD 2025)
大数据·云计算
求职小程序华东同舟求职2 小时前
龙旗科技社招校招入职测评25年北森笔试测评题库答题攻略
大数据·人工智能·科技
二二孚日2 小时前
自用华为ICT云赛道Big Data第六章知识点-分布式搜索服务ElasticSearch
大数据·华为
武子康6 小时前
大数据-34 HBase 单节点配置 hbase-env hbase-site xml
大数据·后端·hbase
Edingbrugh.南空6 小时前
Hadoop MapReduce 入门
大数据·hadoop·mapreduce