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https://issues.apache.org/jira/browse/HADOOP-17812?focusedWorklogId=630731&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-630731
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ASF GitHub Bot logged work on HADOOP-17812:
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Author: ASF GitHub Bot
Created on: 28/Jul/21 19:45
Start Date: 28/Jul/21 19:45
Worklog Time Spent: 10m
Work Description: steveloughran commented on pull request #3222:
URL: https://github.com/apache/hadoop/pull/3222#issuecomment-888573781
bq. BTW, I will upload the integration test results in JIRA later.
don't need the full results, just add a comment here about where you tested
(e.g. https://github.com/apache/hadoop/pull/3240#issuecomment-887549690 ) and
https://github.com/apache/hadoop/pull/3240#issuecomment-887737121 )
Regarding those failures -your AWS credentials are for some private store
aren't they? So all tests referencing landsat data are failing as you are not
authed by AWS.
The testing,md doc shows how you can switch to a different large file in
your own store, after which it turns off a set of tests which won't be valid.
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Issue Time Tracking
-------------------
Worklog Id: (was: 630731)
Time Spent: 3h (was: 2h 50m)
> NPE in S3AInputStream read() after failure to reconnect to store
> ----------------------------------------------------------------
>
> Key: HADOOP-17812
> URL: https://issues.apache.org/jira/browse/HADOOP-17812
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 3.2.2, 3.3.1
> Reporter: Bobby Wang
> Priority: Major
> Labels: pull-request-available
> Attachments: s3a-test.tar.gz
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> when [reading from S3a
> storage|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L450],
> SSLException (which extends IOException) happens, which will trigger
> [onReadFailure|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L458].
> onReadFailure calls "reopen". it will first close the original
> *wrappedStream* and set *wrappedStream = null*, and then it will try to
> [re-get
> *wrappedStream*|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L184].
> But what if the previous code [obtaining
> S3Object|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L183]
> throw exception, then "wrappedStream" will be null.
> And the
> [retry|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L446]
> mechanism may re-execute the
> [wrappedStream.read|https://github.com/apache/hadoop/blob/rel/release-3.2.0/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java#L450]
> and cause NPE.
>
> For more details, please refer to
> [https://github.com/NVIDIA/spark-rapids/issues/2915]
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