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https://issues.apache.org/jira/browse/KAFKA-7228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ewen Cheslack-Postava resolved KAFKA-7228.
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Resolution: Fixed
> DeadLetterQueue throws a NullPointerException
> ---------------------------------------------
>
> Key: KAFKA-7228
> URL: https://issues.apache.org/jira/browse/KAFKA-7228
> Project: Kafka
> Issue Type: Task
> Components: KafkaConnect
> Reporter: Arjun Satish
> Assignee: Arjun Satish
> Priority: Major
> Fix For: 2.0.1, 2.1.0
>
>
> Using the dead letter queue results in a NPE:
> {code:java}
> [2018-08-01 07:41:08,907] ERROR WorkerSinkTask{id=s3-sink-yanivr-2-4} Task
> threw an uncaught and unrecoverable exception
> (org.apache.kafka.connect.runtime.WorkerTask)
> java.lang.NullPointerException
> at
> org.apache.kafka.connect.runtime.errors.DeadLetterQueueReporter.report(DeadLetterQueueReporter.java:124)
> at
> org.apache.kafka.connect.runtime.errors.ProcessingContext.report(ProcessingContext.java:137)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execute(RetryWithToleranceOperator.java:108)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertAndTransformRecord(WorkerSinkTask.java:513)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertMessages(WorkerSinkTask.java:490)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:321)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:225)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:193)
> 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)
> [2018-08-01 07:41:08,908] ERROR WorkerSinkTask{id=s3-sink-yanivr-2-4} Task is
> being killed and will not recover until manually restarted
> (org.apache.kafka.connect.runtime.WorkerTask)
> {code}
> DLQ reporter does not get a {{errorHandlingMetrics}} object when initialized
> through the WorkerSinkTask.
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