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Posted to issues@maven.apache.org by "Michael Osipov (Jira)" <ji...@apache.org> on 2022/05/11 18:11:00 UTC
[jira] [Assigned] (MNG-7433) [REGRESSION] Multiple maven instances working on same source tree can lock each other
[ https://issues.apache.org/jira/browse/MNG-7433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Osipov reassigned MNG-7433:
-----------------------------------
Assignee: Guillaume Nodet
> [REGRESSION] Multiple maven instances working on same source tree can lock each other
> -------------------------------------------------------------------------------------
>
> Key: MNG-7433
> URL: https://issues.apache.org/jira/browse/MNG-7433
> Project: Maven
> Issue Type: Bug
> Affects Versions: 3.8.5
> Reporter: Dan Tran
> Assignee: Guillaume Nodet
> Priority: Major
>
> I have a large multi modules java maven build where:
> * phase 1 - basic build + unit tests + jacoco - 40 min
> * phase 2 - sonar:sonar 20 min
> * phase 3 - final packaging and basic smoke-test - 20 min
> To take advantage of Maven multi-threaded build, during the reactor build, one of our maven module spins another instance of Maven to run sonar:sonar goal right after the basic build is done.
> This means our phase 2 and phase 3 run in parallel sharing the same source tree, same local maven repo (where sonar:sonar should have all needed dependencies at the share local maven repo to run its task)
> With maven-3.8.5, parallelization is no longer possible, phase 3 is blocked until phase 2 is done.
> I am able to trace it to https://github.com/apache/maven/pull/628 where the locking started the happen
> How does the lock mechanic work? there must be a local file where both Maven instances are watching each other. Is there an option to disable this lock?
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