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https://issues.apache.org/jira/browse/NIFI-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17366730#comment-17366730
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ASF subversion and git services commented on NIFI-8719:
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Commit b1ad13c83588d9206ceb8a157acb9bdb7fdbd4f8 in nifi's branch
refs/heads/main from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=b1ad13c ]
NIFI-8719: Ensure that when OutputStream is returned from
StandardProcessSession.write, upon close of the OutputStream we close the
underlying resources.
Signed-off-by: Matthew Burgess <[email protected]>
This closes #5170
> ProcessSession may leave open references to files in content repo until
> committed/rolled back
> ---------------------------------------------------------------------------------------------
>
> Key: NIFI-8719
> URL: https://issues.apache.org/jira/browse/NIFI-8719
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.14.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The {{ProcessSession}} class offers several API calls that make it possible
> to write to the contents of a FlowFile. One of those is:
> {code:java}
> OutputStream write(FlowFile source); {code}
> When this is called, the session returns an OutputStream that the caller is
> responsible for closing. However, when the OutputStream is closed, the
> underlying stream to the content repository is neither closed nor made
> available for reuse. As a result, if this is used to write to many FlowFiles,
> those FlowFiles can each be written to a separate file on disk as well as be
> left open until the session is committed or rolled back.
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