andywebb1975 opened a new pull request #1265: SOLR-14252: avoid NPE in metric aggregation URL: https://github.com/apache/lucene-solr/pull/1265 # Description The getMax and getMin methods in AggregateMetric can throw an NPE if _only_ non-Number values are present when it tries to cast a null Double to a double. # Solution This PR switches to using primitive doubles, defaulting to zero, and logs when non-Number values are provided (we've seen `false` and `LocalStatsCache`). # Tests TBC # Checklist Please review the following and check all that apply: - [ ] I have reviewed the guidelines for [How to Contribute](https://wiki.apache.org/solr/HowToContribute) and my code conforms to the standards described there to the best of my ability. - [ ] I have created a Jira issue and added the issue ID to my pull request title. - [ ] I have given Solr maintainers [access](https://help.github.com/en/articles/allowing-changes-to-a-pull-request-branch-created-from-a-fork) to contribute to my PR branch. (optional but recommended) - [ ] I have developed this patch against the `master` branch. - [ ] I have run `ant precommit` and the appropriate test suite. - [ ] I have added tests for my changes. - [ ] I have added documentation for the [Ref Guide](https://github.com/apache/lucene-solr/tree/master/solr/solr-ref-guide) (for Solr changes only).
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