Michael Helmling created FLINK-31628:
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Summary: ArrayIndexOutOfBoundsException in watermark processing
Key: FLINK-31628
URL: https://issues.apache.org/jira/browse/FLINK-31628
Project: Flink
Issue Type: Bug
Components: Runtime / Task
Affects Versions: 1.17.0
Environment: Kubernetes with Flink operator 1.4.0.
Reporter: Michael Helmling
After upgrading a job from Flink 1.16.1 to 1.17.0, my task managers throw the
following exception:
{code:java}
java.lang.ArrayIndexOutOfBoundsException: Index -2147483648 out of bounds for
length 5
at
org.apache.flink.streaming.runtime.watermarkstatus.HeapPriorityQueue.removeInternal(HeapPriorityQueue.java:155)
at
org.apache.flink.streaming.runtime.watermarkstatus.HeapPriorityQueue.remove(HeapPriorityQueue.java:100)
at
org.apache.flink.streaming.runtime.watermarkstatus.StatusWatermarkValve$InputChannelStatus.removeFrom(StatusWatermarkValve.java:300)
at
org.apache.flink.streaming.runtime.watermarkstatus.StatusWatermarkValve$InputChannelStatus.access$200(StatusWatermarkValve.java:266)
at
org.apache.flink.streaming.runtime.watermarkstatus.StatusWatermarkValve.markWatermarkUnaligned(StatusWatermarkValve.java:222)
at
org.apache.flink.streaming.runtime.watermarkstatus.StatusWatermarkValve.inputWatermarkStatus(StatusWatermarkValve.java:140)
at
org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.processElement(AbstractStreamTaskNetworkInput.java:153)
at
org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:110)
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65)
at
org.apache.flink.streaming.runtime.io.StreamMultipleInputProcessor.processInput(StreamMultipleInputProcessor.java:85)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:550)
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:839)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:788)
at
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952)
at
org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:931)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)
at java.base/java.lang.Thread.run(Unknown Source){code}
I never saw this before. The job has multiple Kafka inputs, but doesn't use
watermark alignment.
Initially reported [on
Slack|https://apache-flink.slack.com/archives/C03G7LJTS2G/p1679908171461309],
where a relation to FLINK-28853 was suspected.
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