patricker opened a new pull request #3655: NIFI-6559 FlowFile Repo Journal Recovery Should not Fail if External … URL: https://github.com/apache/nifi/pull/3655 …Overflow Files are Missing #### Description of PR When NiFi is journaling the FlowFile repository changes to disk it sometimes writes Overflow files if it exceeds a certain memory threshold. These files are tracked inside of the *.journal files as External File References. If one of these external file references is deleted or lost the entire journal fails to recover. Instead, I feel this should work more like FlowFile's that lose their queue, or Content in the Content Repository that has lost it's FlowFile. Log it, and move on. ### For all changes: - [x] Is there a JIRA ticket associated with this PR? Is it referenced in the commit message? - [x] Does your PR title start with **NIFI-XXXX** where XXXX is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character. - [x] Has your PR been rebased against the latest commit within the target branch (typically `master`)? - [x] Is your initial contribution a single, squashed commit? _Additional commits in response to PR reviewer feedback should be made on this branch and pushed to allow change tracking. Do not `squash` or use `--force` when pushing to allow for clean monitoring of changes._ ### For code changes: - [ ] Have you ensured that the full suite of tests is executed via `mvn -Pcontrib-check clean install` at the root `nifi` folder? - [x] Have you written or updated unit tests to verify your changes? ### Note: Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.
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