Eugene Burd created KAFKA-6148: ---------------------------------- Summary: 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 Key: KAFKA-6148 URL: https://issues.apache.org/jira/browse/KAFKA-6148 Project: Kafka Issue Type: Bug Components: KafkaConnect Reporter: Eugene Burd
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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)