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Posted to jira@kafka.apache.org by "Luke Chen (Jira)" <ji...@apache.org> on 2020/07/30 06:10:00 UTC

[jira] [Assigned] (KAFKA-10323) NullPointerException during rebalance

     [ https://issues.apache.org/jira/browse/KAFKA-10323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Chen reassigned KAFKA-10323:
---------------------------------

    Assignee: Luke Chen

> NullPointerException during rebalance
> -------------------------------------
>
>                 Key: KAFKA-10323
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10323
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 2.5.0
>            Reporter: yazgoo
>            Assignee: Luke Chen
>            Priority: Major
>
> *confluent platform version: 5.5.0-ccs*
> connector used: s3
> Connector stops after rebalancing:
> ERROR [Worker clientId=connect-1, groupId=connect] Couldn't instantiate task <my task> because it has an invalid task configuration. This task will not execute until reconfigured.
> java.lang.NullPointerException
>  at org.apache.kafka.connect.runtime.Worker.startTask(Worker.java:427)
>  at org.apache.kafka.connect.runtime.distributed.DistributedHerder.startTask(DistributedHerder.java:1147)
>  at org.apache.kafka.connect.runtime.distributed.DistributedHerder.access$1600(DistributedHerder.java:126)
>  at org.apache.kafka.connect.runtime.distributed.DistributedHerder$12.call(DistributedHerder.java:1162)
>  at org.apache.kafka.connect.runtime.distributed.DistributedHerder$12.call(DistributedHerder.java:1158)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748)



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