[jira] [Created] (FLINK-27611) ConcurrentModificationException during Flink-Pulsar checkpoint notification

["Jason Kania (Jira)" <ji...@apache.org>]

Jason Kania created FLINK-27611:
-----------------------------------

             Summary: ConcurrentModificationException during Flink-Pulsar checkpoint notification
                 Key: FLINK-27611
                 URL: https://issues.apache.org/jira/browse/FLINK-27611
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.15.0
            Reporter: Jason Kania


When attempting to run a job that was working in 1.12.7, but upgraded to 1.15.0, the following exception is occurring outside of the control of my own code:

 
java.util.ConcurrentModificationException
    at java.base/java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1208)
    at java.base/java.util.TreeMap$EntryIterator.next(TreeMap.java:1244)
    at java.base/java.util.TreeMap$EntryIterator.next(TreeMap.java:1239)
    at org.apache.flink.connector.pulsar.source.reader.source.PulsarUnorderedSourceReader.notifyCheckpointComplete(PulsarUnorderedSourceReader.java:129)
    at org.apache.flink.streaming.api.operators.SourceOperator.notifyCheckpointComplete(SourceOperator.java:511)
    at org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.notifyCheckpointComplete(StreamOperatorWrapper.java:104)
    at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.notifyCheckpointComplete(RegularOperatorChain.java:145)
    at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.notifyCheckpoint(SubtaskCheckpointCoordinatorImpl.java:409)
    at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.notifyCheckpointComplete(SubtaskCheckpointCoordinatorImpl.java:343)
    at org.apache.flink.streaming.runtime.tasks.StreamTask.notifyCheckpointComplete(StreamTask.java:1384)
    at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$notifyCheckpointCompleteAsync$14(StreamTask.java:1325)
    at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$notifyCheckpointOperation$17(StreamTask.java:1364)
    at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)
    at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
    at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMailsWhenDefaultActionUnavailable(MailboxProcessor.java:338)
    at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:324)
    at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:201)
    at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:804)
    at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:753)
    at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:948)
    at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:927)
    at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:741)
    at org.apache.flink.runtime.taskmanager.Task.run(Task.java:563)
    at java.base/java.lang.Thread.run(Thread.java:829)



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