Alan Jackoway created NIFI-888:
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Summary: EncryptContent for PGP Leaks File Handles
Key: NIFI-888
URL: https://issues.apache.org/jira/browse/NIFI-888
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 0.2.0
Reporter: Alan Jackoway
Priority: Critical
I had some nifi nodes crash last night with errors that suggested file handles
where exhausted. When I looked into lsof, I found tens of thousands of open
file handles to a public key I was using in EncryptContent.
It looks to me like the OpenPGPKeyBasedEncryptor.getPublicKey leaks file
handles. Because this is called in EncryptContent's validate method, these file
handles build up even when there is no data flow. You can reproduce by the
following:
* Create a PGP public key
* Set up an EncryptContent processor with the public key for PGP encryption.
* Do lsof | grep publicKey and see the file handles build up.
I have a patch. Will post a pull request shortly. I have no idea how to test it
though other than that I ran it locally and the file handles stopped building
up when I used the patched code.
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