Ming Liu created KAFKA-7692:
-------------------------------
Summary: updateFirstUnstableOffset NPE due to sequenceId overflow
in ProducerStateManager.append
Key: KAFKA-7692
URL: https://issues.apache.org/jira/browse/KAFKA-7692
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 2.0.0
Reporter: Ming Liu
Fix For: 2.2.0
When operating Kafka, we frequently saw this exception on Kafka server log,
Exception:
[2018-06-04 20:44:53,789] ERROR [KafkaServer id=19] Fatal error during
KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
java.lang.NullPointerException
at kafka.log.Log.kafka$log$Log$$updateFirstUnstableOffset(Log.scala:792)
at kafka.log.Log.kafka$log$Log$$loadProducerState(Log.scala:518)
at kafka.log.Log.<init>(Log.scala:228)
at kafka.log.Log$.apply(Log.scala:1747)
at kafka.log.LogManager.kafka$log$LogManager$$loadLog(LogManager.scala:255)
at
kafka.log.LogManager$$anonfun$loadLogs$2$$anonfun$11$$anonfun$apply$15$$anonfun$apply$2.apply$mcV$sp(LogManager.scala:335)
at kafka.utils.CoreUtils$$anon$1.run(CoreUtils.scala:62)
at java.util.concurrent.Executors$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)
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