yazgoo created KAFKA-10323:
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Summary: 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
*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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