【flink】Chunk splitting has encountered exception

执行任务报错: Chunk splitting has encountered exception

错误信息截图:

完整的错误信息:

java 复制代码
16:30:43,911 ERROR org.apache.flink.runtime.source.coordinator.SourceCoordinator [SourceCoordinator-Source: CDC Sourceorg.jobslink.flink.UserCDCJob]  - Uncaught exception in the SplitEnumerator for Source Source: CDC Sourceorg.flink.UserCDCJob while handling operator event RequestSplitEvent (host='') from subtask 0. Triggering job failover.
org.apache.flink.util.FlinkRuntimeException: Chunk splitting has encountered exception
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.checkSplitterErrors(MySqlSnapshotSplitAssigner.java:522)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.getNext(MySqlSnapshotSplitAssigner.java:278)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.getNext(MySqlSnapshotSplitAssigner.java:298)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlHybridSplitAssigner.getNext(MySqlHybridSplitAssigner.java:123)
	at com.ververica.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.assignSplits(MySqlSourceEnumerator.java:201)
	at com.ververica.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.handleSplitRequest(MySqlSourceEnumerator.java:117)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$handleEventFromOperator$2(SourceCoordinator.java:230)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$9(SourceCoordinator.java:406)
	at org.apache.flink.util.ThrowableCatchingRunnable.run(ThrowableCatchingRunnable.java:40)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Error when splitting chunks for jobslink_user.jobslink_account
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:246)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitChunksForRemainingTables(MySqlSnapshotSplitAssigner.java:505)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	... 3 more
Caused by: java.lang.RuntimeException: Fail to analyze table in chunk splitter.
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.analyzeTable(MySqlChunkSplitter.java:154)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.splitChunks(MySqlChunkSplitter.java:117)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:244)
	... 7 more
Caused by: org.apache.flink.table.api.ValidationException: Incremental snapshot for tables requires primary key, but table user.account doesn't have primary key.
	at com.ververica.cdc.connectors.mysql.source.utils.ChunkUtils.getChunkKeyColumn(ChunkUtils.java:55)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.analyzeTable(MySqlChunkSplitter.java:148)
	... 9 more
16:30:43,929 INFO  org.apache.flink.runtime.jobmaster.JobMaster                 [flink-akka.actor.default-dispatcher-9]  - Trying to recover from a global failure.
org.apache.flink.util.FlinkException: Global failure triggered by OperatorCoordinator for 'Source: CDC Sourceorg.jobslink.flink.UserCDCJob -> Filter -> Flat Map -> Filter -> (Sink: Print to Std. Out, Sink: sink jobslink_account)' (operator cbc357ccb763df2852fee8c4fc7d55f2).
	at org.apache.flink.runtime.operators.coordination.OperatorCoordinatorHolder$LazyInitializedCoordinatorContext.failJob(OperatorCoordinatorHolder.java:556)
	at org.apache.flink.runtime.operators.coordination.RecreateOnResetOperatorCoordinator$QuiesceableContext.failJob(RecreateOnResetOperatorCoordinator.java:231)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinatorContext.failJob(SourceCoordinatorContext.java:316)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$9(SourceCoordinator.java:420)
	at org.apache.flink.util.ThrowableCatchingRunnable.run(ThrowableCatchingRunnable.java:40)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.flink.util.FlinkRuntimeException: Chunk splitting has encountered exception
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.checkSplitterErrors(MySqlSnapshotSplitAssigner.java:522)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.getNext(MySqlSnapshotSplitAssigner.java:278)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.getNext(MySqlSnapshotSplitAssigner.java:298)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlHybridSplitAssigner.getNext(MySqlHybridSplitAssigner.java:123)
	at com.ververica.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.assignSplits(MySqlSourceEnumerator.java:201)
	at com.ververica.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.handleSplitRequest(MySqlSourceEnumerator.java:117)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$handleEventFromOperator$2(SourceCoordinator.java:230)
	at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$9(SourceCoordinator.java:406)
	... 9 more
Caused by: java.lang.IllegalStateException: Error when splitting chunks for jobslink_user.jobslink_account
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:246)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitChunksForRemainingTables(MySqlSnapshotSplitAssigner.java:505)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	... 3 more
Caused by: java.lang.RuntimeException: Fail to analyze table in chunk splitter.
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.analyzeTable(MySqlChunkSplitter.java:154)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.splitChunks(MySqlChunkSplitter.java:117)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:244)
	... 7 more
Caused by: org.apache.flink.table.api.ValidationException: Incremental snapshot for tables requires primary key, but table user.account doesn't have primary key.
	at com.ververica.cdc.connectors.mysql.source.utils.ChunkUtils.getChunkKeyColumn(ChunkUtils.java:55)
	at com.ververica.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.analyzeTable(MySqlChunkSplitter.java:148)
	... 9 more
16:30:43,933 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph       [flink-akka.actor.default-dispatcher-9]  - Job org.flink.UserCDCJob (35780b6f0490a368fc256b228e99f7cb) switched from state RUNNING to RESTARTING.
16:30:43,936 INFO  org.apache.flink.runtime.executiongraph.ExecutionGraph       [flink-akka.actor.default-dispatcher-9]  - Source: CDC Sourceorg.flink.UserCDCJob -> Filter -> Flat Map -> Filter -> (Sink: Print to Std. Out, Sink: sink account) (1/1) (45028a2ced14e3bbe2d7cf3349defba0) switched from RUNNING to CANCELING.

Incremental snapshot for tables requires primary key, but table user.account doesn't have primary key.

表的增量快照需要主键,但表user.account没有主键。

user库account表增加主键

添加上主键以后就可以正常执行了!!!

相关推荐
lilye661 小时前
精益数据分析(17/126):精益画布与创业方向抉择
大数据·数据挖掘·数据分析
思通数科AI全行业智能NLP系统4 小时前
AI视频技术赋能幼儿园安全——教师离岗报警系统的智慧守护
大数据·人工智能·安全·目标检测·目标跟踪·自然语言处理·ocr
程序员沉梦听雨6 小时前
【Elasticsearch】入门篇
大数据·elasticsearch·搜索引擎
Gadus_6 小时前
Elasticsearch性能优化实践
大数据·elasticsearch·搜索引擎·性能优化
riveting7 小时前
SD2351核心板:重构AI视觉产业价值链的“超级节点”
大数据·linux·图像处理·人工智能·重构·智能硬件
欧先生^_^8 小时前
Spark 的一些典型应用场景及具体示例
大数据·分布式·spark
八股文领域大手子9 小时前
如何给GitHub项目提PR(踩坑记录
大数据·elasticsearch·github
爱吃龙利鱼9 小时前
elk中kibana一直处于可用和降级之间且es群集状态并没有问题的解决方法
大数据·elk·elasticsearch
腾讯云大数据9 小时前
腾讯云ES一站式RAG方案获信通院“开源大模型+软件创新应用”精选案例奖
大数据·elasticsearch·开源·云计算·腾讯云
苍煜10 小时前
Elasticsearch(ES)中的脚本(Script)
大数据·elasticsearch·搜索引擎