Michael W Moser created NIFI-11126:
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Summary: ListenHTTP doesn't clean temporary files from multipart
Key: NIFI-11126
URL: https://issues.apache.org/jira/browse/NIFI-11126
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 1.19.1
Reporter: Michael W Moser
When a multipart/form-data POST is received by ListenHTTP and the content is
greater than the Multipart Read Buffer Size property, the content is written to
a file on disk in "java.io.tmpdir". These files are never removed, even after
the JVM is shutdown.
To duplicate:
* Configure a ListenHTTP processor with Multipart Read Buffer Size property
with a small value such as 1 KB.
* Configure an InvokeHTTP processor to POST files to ListenHTTP using
multipart/form-data (the Request Multipart Form-Data Name property)
* Configure a GenerateFlowFile processor to send a few files of size > 1 KB to
InvokeHTTP
Observe the java.io.tmpdir (typically /tmp on Linux) has files named
MultiPart3098281529241123731, MultiPart8577800175462397766, etc
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