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https://issues.apache.org/jira/browse/FLINK-35917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18044052#comment-18044052
]
Yanquan Lv commented on FLINK-35917:
------------------------------------
I would like to fix it.
> Failed to deserialize data of EventHeaderV4
> -------------------------------------------
>
> Key: FLINK-35917
> URL: https://issues.apache.org/jira/browse/FLINK-35917
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.1.1
> Environment: * Flink version : 1.15
> * Flink CDC version: 3.1.1
> * Database and version: mysql 5.7
> Reporter: wangkang
> Priority: Major
> Attachments: FLINK-35917.txt
>
>
> it occurred during the full to incremental phase:
> Caused by: java.lang.RuntimeException: One or more fetchers have encountered
> exception at
> org.apache.flink.connector.base.source.reader.fetcher.SplitFetcherManager.checkErrors(SplitFetcherManager.java:229)
> at
> org.apache.flink.connector.base.source.reader.SourceReaderBase.getNextFetch(SourceReaderBase.java:173)
> at
> org.apache.flink.connector.base.source.reader.SourceReaderBase.pollNext(SourceReaderBase.java:134)
> at
> org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:385)
> at
> org.apache.flink.streaming.runtime.io.StreamTaskSourceInput.emitNext(StreamTaskSourceInput.java:68)
> at
> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:519)
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:203)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:804)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:753)
> at
> org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:948)
> at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:927)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:741) at
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:563) at
> java.lang.Thread.run(Thread.java:748) Caused by: java.lang.RuntimeException:
> SplitFetcher thread 0 received unexpected exception while polling the records
> at
> org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:154)
> at
> org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:109)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> ... 1 more Caused by:
> org.apache.flink.cdc.connectors.shaded.org.apache.kafka.connect.errors.ConnectException:
> An exception occurred in the change event producer. This connector will be
> stopped. at
> io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:50)
> at
> org.apache.flink.cdc.connectors.mysql.debezium.task.context.MySqlErrorHandler.setProducerThrowable(MySqlErrorHandler.java:86)
> at
> io.debezium.connector.mysql.MySqlStreamingChangeEventSource$ReaderThreadLifecycleListener.onCommunicationFailure(MySqlStreamingChangeEventSource.java:1545)
> at
> com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:1079)
> at
> com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:631)
> at
> com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:932)
> ... 1 more Caused by: io.debezium.DebeziumException: Failed to deserialize
> data of EventHeaderV4\{timestamp=1722030104000, eventType=EXT_WRITE_ROWS,
> serverId=140168246, headerLength=19, dataLength=189, nextPosition=34794428,
> flags=0} at
> io.debezium.connector.mysql.MySqlStreamingChangeEventSource.wrap(MySqlStreamingChangeEventSource.java:1489)
> ... 5 more Caused by:
> com.github.shyiko.mysql.binlog.event.deserialization.EventDataDeserializationException:
> Failed to deserialize data of EventHeaderV4\{timestamp=1722030104000,
> eventType=EXT_WRITE_ROWS, serverId=140168246, headerLength=19,
> dataLength=189, nextPosition=34794428, flags=0} at
> com.github.shyiko.mysql.binlog.event.deserialization.EventDeserializer.deserializeEventData(EventDeserializer.java:341)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.EventDeserializer.nextEvent(EventDeserializer.java:244)
> at
> io.debezium.connector.mysql.MySqlStreamingChangeEventSource$1.nextEvent(MySqlStreamingChangeEventSource.java:259)
> at
> com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:1051)
> ... 3 more Caused by: java.io.EOFException: Failed to read remaining 8 of 18
> bytes from position 108151391. Block length: 51. Initial block length: 185.
> at
> com.github.shyiko.mysql.binlog.io.ByteArrayInputStream.fill(ByteArrayInputStream.java:115)
> at
> com.github.shyiko.mysql.binlog.io.ByteArrayInputStream.read(ByteArrayInputStream.java:105)
> at
> io.debezium.connector.mysql.RowDeserializers.deserializeVarString(RowDeserializers.java:264)
> at
> io.debezium.connector.mysql.RowDeserializers$WriteRowsDeserializer.deserializeVarString(RowDeserializers.java:192)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.AbstractRowsEventDataDeserializer.deserializeCell(AbstractRowsEventDataDeserializer.java:189)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.AbstractRowsEventDataDeserializer.deserializeRow(AbstractRowsEventDataDeserializer.java:143)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.WriteRowsEventDataDeserializer.deserializeRows(WriteRowsEventDataDeserializer.java:64)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.WriteRowsEventDataDeserializer.deserialize(WriteRowsEventDataDeserializer.java:56)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.WriteRowsEventDataDeserializer.deserialize(WriteRowsEventDataDeserializer.java:32)
> at
> com.github.shyiko.mysql.binlog.event.deserialization.EventDeserializer.deserializeEventData(EventDeserializer.java:335)
> ... 6 more
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