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https://issues.apache.org/jira/browse/MNG-7720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17700561#comment-17700561
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ASF GitHub Bot commented on MNG-7720:
-------------------------------------
michael-o commented on code in PR #1038:
URL: https://github.com/apache/maven/pull/1038#discussion_r1136743568
##########
maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleDependencyResolver.java:
##########
@@ -90,7 +90,13 @@ public
LifecycleDependencyResolver(ProjectDependenciesResolver projectDependenci
public static List<MavenProject> getProjects(MavenProject project,
MavenSession session, boolean aggregator) {
if (aggregator && project.getCollectedProjects() != null) {
- return
getProjectAndSubModules(project).collect(Collectors.toList());
+ List<MavenProject> downstreamProjects =
session.getProjectDependencyGraph()
+ .getDownstreamProjects(project, true); // sorted but more
than needed
+ List<MavenProject> projectAndSubmodules =
+
getProjectAndSubModules(project).collect(Collectors.toList()); // not sorted
but what we need
+ return downstreamProjects.stream()
+ .filter(projectAndSubmodules::contains)
+ .collect(Collectors.toList()); // sorted what we need
Review Comment:
This is exactly what I figured out yesterday as well
> [REGRESSION] Build order is incorrect and does not respect Reactor Build Order
> ------------------------------------------------------------------------------
>
> Key: MNG-7720
> URL: https://issues.apache.org/jira/browse/MNG-7720
> Project: Maven
> Issue Type: Bug
> Components: Bootstrap & Build
> Affects Versions: 3.9.0
> Reporter: Joe Littlejohn
> Assignee: Tamas Cservenak
> Priority: Blocker
> Fix For: 4.0.0, 4.0.0-alpha-5, 3.8.8, 3.9.1
>
>
> I have a multi-module project. When using Maven 3.9.0, my project fails to
> build. The problem appears to be that the Reactor Build Order is not
> respected when the build actually runs.
> When the build runs, I see this output:
> {code:java}
> [INFO] Reactor Build Order:
> 15[INFO]
> 16[INFO] jsonschema2pojo
> [pom]
> 17[INFO] jsonschema2pojo-core
> [jar]
> 18[INFO] jsonschema2pojo-ant
> [jar]
> 19[INFO] jsonschema2pojo-cli
> [jar]
> 20[INFO] jsonschema2pojo-gradle-plugin
> [jar]
> 21[INFO] jsonschema2pojo-maven-plugin
> [maven-plugin]
> 22[INFO] jsonschema2pojo-integration-tests
> [jar] {code}
> However Maven first builds jsonschema2pojo, and next tries to build
> jsonschema2pojo-ant instead of jsonschema2pojo-core. The build fails because
> jsonschema2pojo-core is not found.
> There is a full log available here:
> https://github.com/joelittlejohn/jsonschema2pojo/actions/runs/4332878826/jobs/7565796916
> Workaround: Downgrade to Maven 3.8.7 and the problem goes away.
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