gerlowskija opened a new pull request, #2502:
URL: https://github.com/apache/solr/pull/2502
This commit fixes a problem in the Solr build whereby files generated from
our OpenAPI spec could "leak" between branches and cause compilation issues.
In short, generated SolrRequest implementations were not being overwritten
or cleaned up after switching branches. This caused compilation problems
whenever the new branch didn't have other classes (typically 'model' POJOs)
that the generated file relied on.
This commit uses the openApiGenerate task's "cleanupOutput" option to
prevent this from happening.
# Description
Before compiling SolrJ, the gradle build creates an OpenAPI Spec ("OAS")
describing our JAX-RS v2 APIs and then uses that spec to generate SolrRequest
".java" files. The responsible task (`solr:solrj:openApiGenerate`) adds newly
generated code to `solrj/build/generated`, but it doesn't (by default) wipe the
directory at the start of each invocation.
This can cause generated files to "leak" across branches - sticking around
in `solrj/build/generated` even when the developer has changed to a branch that
shouldn't contain the file.
These leaks can cause compilation issues, as pointed out by @dsmiley
recently [on the dev
list](https://lists.apache.org/thread/rth0hbo8y0gtcvrntyvg9khvfl8xh4x8).
# Solution
The solution is to have the `solr:solrj:openApiGenerate` task clear its
output directory each time it runs. Luckily the OpenAPI tooling supports this,
and it's a one-line change in build.gradle.
# Tests
Manual build testing.
# Checklist
Please review the following and check all that apply:
- [x] I have reviewed the guidelines for [How to
Contribute](https://github.com/apache/solr/blob/main/CONTRIBUTING.md) and my
code conforms to the standards described there to the best of my ability.
- [x] 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)
- [x] I have developed this patch against the `main` branch.
- [x] I have run `./gradlew check`.
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