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https://issues.apache.org/jira/browse/NIFIREG-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173817#comment-16173817
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ASF GitHub Bot commented on NIFIREG-18:
---------------------------------------
Github user kevdoran commented on the issue:
https://github.com/apache/nifi-registry/pull/10
@bbende I reviewed your two new commits. Both look good to me. Thanks for
making those fixes.
-Pcontrib-check is complaining about some whitespace on an empty line:
```
[INFO] --- maven-checkstyle-plugin:2.15:check (check-style) @
nifi-registry-web-api ---
[WARNING]
src/main/java/org/apache/nifi/registry/NiFiRegistryApiApplication.java[44]
(regexp) RegexpSinglelineJava: Line has trailing whitespace.
```
Other than that, LGTM.
> Refactor MetadataProvider to use an embedded database
> -----------------------------------------------------
>
> Key: NIFIREG-18
> URL: https://issues.apache.org/jira/browse/NIFIREG-18
> Project: NiFi Registry
> Issue Type: Improvement
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Priority: Minor
>
> We need to leverage transactions when persisting data to avoid inconsistent
> states. Currently the MetadataProvider is based on an XML file which doesn't
> offer much way to rollback an operation. We should switch to using an
> embedded database.
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