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Arjun Satish commented on KAFKA-7228: ------------------------------------- Installation of hotfix jar: # Navigate to the lib/ directory of the AK 2.0 installation. # Replace the "connect-runtime-2.0.0.jar" file with the one provided in this ticket: [^connect-runtime-2.0.0-HOTFIX-7228.jar] . *Note*: this hotfix only adds the fix for the NPE described in this ticket on the 2.0.0 release. Other bugs in connect-runtime 2.0.0 (if any) will not be fixed by it. > 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 > > Attachments: connect-runtime-2.0.0-HOTFIX-7228.jar > > > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)