[ 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) -- This message was sent by Atlassian Jira (v8.3.4#803005)