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https://issues.apache.org/jira/browse/MNG-8014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17806136#comment-17806136
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Tamas Cservenak commented on MNG-8014:
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This is not related concurrent model builder at all. It all works nicely, all
you need is to disable the "build consumer" feature:
{{-Dmaven.buildconsumer=false}}. That feature is completely broken and is a
disaster: it causes endless loop, as this is not a deadlock, but actually an
infinite loop.
Locally made a build w/o cache (to simplify stacks) and got these (two
subsequent thread dumps):
* https://gist.github.com/cstamas/14b1e98df49290815af3ae90255931bd
* https://gist.github.com/cstamas/539a6064e38c759596ba28cf2537f2eb
Everything is runnable, but it runs forever. Sus bits:
{noformat}
at
org.apache.maven.model.building.DefaultTransformerContextBuilder$1.doLoadFullReactor(DefaultTransformerContextBuilder.java:144)
{noformat}
As repeating pattern in TDs.
> Maven concurrent model builder deadlocks
> ----------------------------------------
>
> Key: MNG-8014
> URL: https://issues.apache.org/jira/browse/MNG-8014
> Project: Maven
> Issue Type: Bug
> Affects Versions: 4.0.0-alpha-10
> Reporter: Guillaume Nodet
> Priority: Major
>
> Building [https://github.com/gnodet/quarkus/tree/maven-deadlock] with Maven
> 4.0.0-alpha-12 deadlocks.
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