Mark Payne created NIFI-8719:
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Summary: 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
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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