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https://issues.apache.org/jira/browse/HADOOP-17242?focusedWorklogId=480152&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-480152
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ASF GitHub Bot logged work on HADOOP-17242:
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Author: ASF GitHub Bot
Created on: 08/Sep/20 14:01
Start Date: 08/Sep/20 14:01
Worklog Time Spent: 10m
Work Description: steveloughran commented on pull request #2273:
URL: https://github.com/apache/hadoop/pull/2273#issuecomment-688895798
on this again. Need to think about what happens after hasNext raises an
exception. IMO we should cache it and rethrow on all subsequent hasNext/next.
Without that if you catch an IOE and call hasNext again it may get confused
(maybe, I'd need to experiment)
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Issue Time Tracking
-------------------
Worklog Id: (was: 480152)
Time Spent: 1h 10m (was: 1h)
> S3A (async) ObjectListingIterator to block in hasNext() for results
> -------------------------------------------------------------------
>
> Key: HADOOP-17242
> URL: https://issues.apache.org/jira/browse/HADOOP-17242
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> HADOOP-17074 made listing async in S3A, but the iterator's hasNext Call
> doesn't wait for the result. If invoked on an empty path it *may* return when
> it should be failing.
> Note: surfaced in code review, not seen in the wild and all our tests were
> happy
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