olamy commented on code in PR #493:
URL:
https://github.com/apache/maven-build-cache-extension/pull/493#discussion_r4431003225
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src/main/java/org/apache/maven/buildcache/CacheControllerImpl.java:
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@@ -1475,8 +1476,15 @@ private Set<Path>
collectCachedArtifactPaths(MavenProject project) {
paths.add(projectArtifact.getFile().toPath());
}
- // 2. Attached outputs from configuration (if cacheCompile enabled)
+ // 2. Compile output directory and attached outputs from configuration
(if cacheCompile enabled)
if (cacheConfig.isCacheCompile()) {
+ // The project artifact file is not set yet at the start of a
session, so step 1 misses
+ // target/classes. Stage it explicitly so the compiler cannot keep
classes compiled against
+ // a different version of an upstream module.
+ Path classesDir =
Paths.get(project.getBuild().getOutputDirectory());
+ if (Files.exists(classesDir)) {
+ paths.add(classesDir);
Review Comment:
see this PR for an IT
https://github.com/apache/maven-build-cache-extension/pull/568
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