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https://issues.apache.org/jira/browse/FLINK-9256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16458923#comment-16458923
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ASF GitHub Bot commented on FLINK-9256:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/5914
Change looks very good, thanks!
Merging this...
We can probably remove most of this code out again later, once we drop the
non-credit-based code paths in the next releases. But that still makes this a
necessary fix for now...
> NPE in SingleInputGate#updateInputChannel() for non-credit based flow control
> -----------------------------------------------------------------------------
>
> Key: FLINK-9256
> URL: https://issues.apache.org/jira/browse/FLINK-9256
> Project: Flink
> Issue Type: Bug
> Components: Network
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
> Priority: Blocker
> Fix For: 1.5.0
>
>
> {{SingleInputGate#updateInputChannel()}} fails to update remote partitions
> without credit based flow control due to a {{NullPointerException}} from
> {{networkBufferPool == null}}.
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