[jira] [Commented] (FLINK-16638) Flink checkStateMappingCompleteness doesn't include UserDefinedOperatorIDs

["Piotr Nowojski (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-16638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17075781#comment-17075781 ] 

Piotr Nowojski commented on FLINK-16638:
----------------------------------------

[~basharaj] thanks for reporting and volunteering :) Just a quick question what's the timeline that you could provide a fix for this? 

> Flink checkStateMappingCompleteness doesn't include UserDefinedOperatorIDs
> --------------------------------------------------------------------------
>
>                 Key: FLINK-16638
>                 URL: https://issues.apache.org/jira/browse/FLINK-16638
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.9.1, 1.10.0
>            Reporter: Bashar Abdul Jawad
>            Assignee: Bashar Abdul Jawad
>            Priority: Critical
>             Fix For: 1.11.0
>
>
> [StateAssignmentOperation.checkStateMappingCompleteness|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/StateAssignmentOperation.java#L555] doesn't check for UserDefinedOperatorIDs (specified using setUidHash), causing the exception:
> {code}
>  java.lang.IllegalStateException: There is no operator for the state {}
> {code}
> to be thrown when a savepoint can't be mapped to an ExecutionJobVertex, even when the operator hash is explicitly specified.
> I believe this logic should be extended to also include UserDefinedOperatorIDs as so:
> {code:java}
> for (ExecutionJobVertex executionJobVertex : tasks) {
>   allOperatorIDs.addAll(executionJobVertex.getOperatorIDs());
>   allOperatorIDs.addAll(executionJobVertex.getUserDefinedOperatorIDs());
> }
> {code}



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