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https://issues.apache.org/jira/browse/KAFKA-6148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16343898#comment-16343898
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Konstantine Karantasis edited comment on KAFKA-6148 at 1/29/18 7:46 PM:
------------------------------------------------------------------------
There's a PR that hadn't been automatically linked to this ticket.
Here it is:
[https://github.com/apache/kafka/pull/4457]
was (Author: kkonstantine):
There's a PR that hadn't been automatically linked to this ticket.
Here it is:
https://github.com/apache/kafka/pull/4457
> ClassCastException in BigQuery connector
> ----------------------------------------
>
> Key: KAFKA-6148
> URL: https://issues.apache.org/jira/browse/KAFKA-6148
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 1.0.0, 0.11.0.2
> Reporter: Eugene Burd
> Assignee: Konstantine Karantasis
> Priority: Major
> Fix For: 0.11.0.3, 1.0.2
>
>
> I am trying to run a com.wepay.kafka.connect.bigquery.BigQuerySinkConnector
> connector, but getting the following exception.
> [2017-10-30 21:48:49,007] ERROR WorkerSinkTask{id=bigquery-connector-log-0}
> Offset commit failed, rewinding to last committed offsets
> (org.apache.kafka.connect.runtime.WorkerSinkTask:311)
> java.lang.ClassCastException:
> org.apache.kafka.clients.consumer.OffsetAndMetadata cannot be cast to
> org.apache.kafka.clients.consumer.OffsetAndMetadata
> at
> com.wepay.kafka.connect.bigquery.BigQuerySinkTask.updateOffsets(BigQuerySinkTask.java:107)
> at
> com.wepay.kafka.connect.bigquery.BigQuerySinkTask.flush(BigQuerySinkTask.java:96)
> at org.apache.kafka.connect.sink.SinkTask.preCommit(SinkTask.java:117)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.commitOffsets(WorkerSinkTask.java:305)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:164)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:148)
> at
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:146)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:190)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> [2017-10-30 21:48:49,012] ERROR Commit of
> WorkerSinkTask{id=bigquery-connector-log-0} offsets threw an unexpected
> exception: (org.apache.kafka.connect.runtime.WorkerSinkTask:205)
> java.lang.ClassCastException:
> org.apache.kafka.clients.consumer.OffsetAndMetadata cannot be cast to
> org.apache.kafka.clients.consumer.OffsetAndMetadata
> at
> com.wepay.kafka.connect.bigquery.BigQuerySinkTask.updateOffsets(BigQuerySinkTask.java:107)
> at
> com.wepay.kafka.connect.bigquery.BigQuerySinkTask.flush(BigQuerySinkTask.java:96)
> at org.apache.kafka.connect.sink.SinkTask.preCommit(SinkTask.java:117)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.commitOffsets(WorkerSinkTask.java:305)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:164)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:148)
> at
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:146)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:190)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> I have checked the version number of kafka client in the plug in and kafka
> connect itself and they are the same.
> - kafka-clients-0.11.0.0.jar matches
> I am still suspecting a type of versioning issue. Do you have any advice?
> Thanks.
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