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https://issues.apache.org/jira/browse/MNG-7433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17535889#comment-17535889
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ASF GitHub Bot commented on MNG-7433:
-------------------------------------
gnodet commented on PR #730:
URL: https://github.com/apache/maven/pull/730#issuecomment-1124575847
> Please create a separate ticket for this.
For what exactly ? The terminal width thing ? You'd prefer the terminal
width adjustment to be only in 3.9.x / master ?
> Question: I guess this must also go into 3.9.0 and master?
Yes, the warning should be in all 3 supported branches.
Fwiw, I've committed the improvement with the terminal width. The thread
safety warning now looks like the following in my terminal:
```
[INFO] -----------------------< org.apache.maven:maven
>-----------------------
[INFO] Building Apache Maven 3.8.6-SNAPSHOT
[1/15]
[INFO] --------------------------------[ pom
]---------------------------------
[WARNING]
*******************************************************************************************************************************************************************
[WARNING] * Your build is requesting parallel execution, but project
contains the following plugin(s) that have goals not marked as @threadSafe to
support parallel *
[WARNING] * building.
*
[WARNING] * While this /may/ work fine, please look for plugin updates
and/or request plugins be made thread-safe.
*
[WARNING] * If reporting an issue, report it against the plugin in question,
not against maven-core.
*
[WARNING]
*******************************************************************************************************************************************************************
[WARNING] The following plugins are not marked @threadSafe in Apache Maven:
[WARNING] - org.apache.rat:apache-rat-plugin:0.13
[WARNING] Enable debug to see more precisely which goals are not marked
@threadSafe.
[WARNING]
*******************************************************************************************************************************************************************
[INFO]
```
Btw, having maven displaying such warnings during its own build... !!
> [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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