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https://issues.apache.org/jira/browse/FLINK-20145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17232647#comment-17232647
]
Robert Metzger commented on FLINK-20145:
----------------------------------------
Running on this commit:
https://github.com/apache/flink/commit/f3f5e316622255b86f416ba5eb1c283562732823
II still get the same exception:
{code}
2020-11-16 10:26:48,339 INFO
org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl
[] - dynamic filter (1/4)#0 discarding 0 drained requests
2020-11-16 10:26:48,361 WARN org.apache.flink.runtime.taskmanager.Task
[] - dynamic filter (1/4)#0 (ccfcf8c742c10df96d99f53025761a79)
switched from RUNNING to FAILED.
java.lang.IllegalStateException: Should only poll priority events
at
org.apache.flink.util.Preconditions.checkState(Preconditions.java:198)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.io.CheckpointedInputGate.processPriorityEvents(CheckpointedInputGate.java:116)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:283)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:184)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:574)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:538)
~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at java.lang.Thread.run(Thread.java:832) [?:?]
{code}
> Streaming job fails with IllegalStateException: Should only poll priority
> events
> --------------------------------------------------------------------------------
>
> Key: FLINK-20145
> URL: https://issues.apache.org/jira/browse/FLINK-20145
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing, Runtime / Network
> Affects Versions: 1.12.0
> Reporter: Robert Metzger
> Assignee: Arvid Heise
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> While testing the 1.12 release, I came across the following failure cause:
> {code}
> 2020-11-13 09:41:52,110 WARN org.apache.flink.runtime.taskmanager.Task
> [] - dynamic filter (3/4)#0 (b977944851531f96e5324e786f055eb7)
> switched from RUNNING to FAILED.
> java.lang.IllegalStateException: Should only poll priority events
> at
> org.apache.flink.util.Preconditions.checkState(Preconditions.java:198)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.io.CheckpointedInputGate.processPriorityEvents(CheckpointedInputGate.java:116)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:283)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:184)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:577)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:541)
> ~[flink-dist_2.11-1.12.0.jar:1.12.0]
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
> [flink-dist_2.11-1.12.0.jar:1.12.0]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
> [flink-dist_2.11-1.12.0.jar:1.12.0]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
> {code}
> I have unaligned checkpointing enabled, the failing operator is a
> CoFlatMapFunction. The error happend on all four TaskManagers, very soon
> after job submission. The error doesn't happen when unaligned checkpointing
> is disabled.
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