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https://issues.apache.org/jira/browse/KAFKA-13163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Muddam Pullaiah Yadav updated KAFKA-13163:
------------------------------------------
Summary: MySQL Sink Connector - JsonConverter - DataException: Unknown
schema type: null (was: Issue with MySql worker sink connector)
> MySQL Sink Connector - JsonConverter - DataException: Unknown schema type:
> null
> -------------------------------------------------------------------------------
>
> Key: KAFKA-13163
> URL: https://issues.apache.org/jira/browse/KAFKA-13163
> Project: Kafka
> Issue Type: Task
> Components: KafkaConnect
> Affects Versions: 2.1.1
> Environment: PreProd
> Reporter: Muddam Pullaiah Yadav
> Priority: Major
>
> Please help with the following issue. Really appreciate it!
>
> We are using Azure HDInsight Kafka cluster
> My sink Properties:
>
> cat mysql-sink-connector
> {
> "name":"mysql-sink-connector",
> "config":
> { "tasks.max":"2", "batch.size":"1000", "batch.max.rows":"1000",
> "poll.interval.ms":"500",
> "connector.class":"org.apache.kafka.connect.file.FileStreamSinkConnector",
> "connection.url":"jdbc:mysql://moddevdb.mysql.database.azure.com:3306/db_test_dev",
> "table.name":"db_test_dev.tbl_clients_merchants", "topics":"test",
> "connection.user":"grabmod", "connection.password":"#admin",
> "auto.create":"true", "auto.evolve":"true",
> "value.converter":"org.apache.kafka.connect.json.JsonConverter",
> "value.converter.schemas.enable":"false",
> "key.converter":"org.apache.kafka.connect.json.JsonConverter",
> "key.converter.schemas.enable":"true" }
> }
>
> [2021-08-04 11:18:30,234] ERROR WorkerSinkTask\{id=mysql-sink-connector-0}
> Task threw an uncaught and unrecoverable exception
> (org.apache.kafka.connect.runtime.WorkerTask:177)
> org.apache.kafka.connect.errors.ConnectException: Tolerance exceeded in
> error handler
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:178)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execute(RetryWithToleranceOperator.java:104)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertAndTransformRecord(WorkerSinkTask.java:514)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertMessages(WorkerSinkTask.java:491)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:322)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:226)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:194)
> at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:175)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:219)
> 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)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.kafka.connect.errors.DataException: Unknown schema
> type: null
> at
> org.apache.kafka.connect.json.JsonConverter.convertToConnect(JsonConverter.java:743)
> at
> org.apache.kafka.connect.json.JsonConverter.toConnectData(JsonConverter.java:363)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.lambda$convertAndTransformRecord$1(WorkerSinkTask.java:514)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndRetry(RetryWithToleranceOperator.java:128)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:162)
> ... 13 more
> [2021-08-04 11:18:30,234] ERROR WorkerSinkTask\{id=mysql-sink-connector-0}
> Task is being killed and will not recover until manually restarted
> (org.apache.kafka.connect.runtime.WorkerTask:178)
> [2021-08-04 11:18:30,235] INFO [Consumer clientId=consumer-18,
> groupId=connect-mysql-sink-connector] Sending LeaveGroup request to
> coordinator
> wn2-grabde.fkgw2p1emuqu5d21xcbqrhqqbf.rx.internal.cloudapp.net:9092 (id:
> 2147482646 rack: null)
> (org.apache.kafka.clients.consumer.internals.AbstractCoordinator:782)
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