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https://issues.apache.org/jira/browse/FLINK-7261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194406#comment-16194406
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Till Rohrmann commented on FLINK-7261:
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Fixed via b57330dc7685cfd0ef137c31b1521662bd993413
> avoid unnecessary exceptions in the logs in non-HA cases
> --------------------------------------------------------
>
> Key: FLINK-7261
> URL: https://issues.apache.org/jira/browse/FLINK-7261
> Project: Flink
> Issue Type: Sub-task
> Components: Distributed Coordination, Network
> Affects Versions: 1.4.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
> Fix For: 1.4.0
>
>
> {{PermanentBlobCache#getHAFileInternal}} first tries to download files from
> the HA store but if it does not exist, it will log an exception from the
> attempt to move the {{incomingFile}} to its destination which is misleading
> to the user.
> We should extend {{BlobView#get}} to return whether a file was actually
> copied or not, e.g. in the {{VoidBlobStore}} to keep the abstraction of the
> BLOB stores but to not report errors in expected cases (recall that
> {{FileSystemBlobStore#get}} will already throw an exception if anything
> failed in there and if successful but the succeeding move fails the exception
> from the move should still be prevailed).
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