Stefano Piana created NIFI-7469:
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Summary: ReplaceText Processor May cause Content Repository
Cleanup to fail
Key: NIFI-7469
URL: https://issues.apache.org/jira/browse/NIFI-7469
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.11.4, 1.11.1, 1.11.0, 1.10.0
Environment: Windows 10, ubuntu 18.04
Reporter: Stefano Piana
Attachments: ReplaceTextBug.xml
Trying to replace an empty flowfile with and empty value may cause the content
repository
to accumulate and not being correctly cleaned up until the next NiFi restart.
this behaviour has been observed on nifi 1.10+
to reproduce the problem just generate a flowfile that has some content, then
replace the content with the ReplaceText processor setting it to always replace
and set the replacement to empty string. Copy the ReplaceText processor and try
replacing the content with an empty string again, then just use any processor
to drain the flowfiles. This will cause the content repository to accumulate
and stop being correctly cleaned up.
here attached a simple flow that reproduces the problem.
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