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https://issues.apache.org/jira/browse/FLINK-32734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Pohl resolved FLINK-32734.
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Fix Version/s: 1.18.0
Resolution: Fixed
master: 93da795b3b33fa028962ee00e1a13bb60c51b809
> Add .mvn/maven.config to .gitignore
> -----------------------------------
>
> Key: FLINK-32734
> URL: https://issues.apache.org/jira/browse/FLINK-32734
> Project: Flink
> Issue Type: Improvement
> Components: Build System
> Affects Versions: 1.18.0, 1.19.0
> Reporter: Matthias Pohl
> Assignee: Matthias Pohl
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.18.0
>
>
> FLINK-28016 allowed Flink to switch to newer (i.e. 3.2.5+) Maven versions.
> Maven 3.3.1 introduced certain local configuration files that are
> automatically injected (e.g. {{.mvn/jvm.options}} and {{.mvn/maven.config}}).
> The former one is actively used (and checked into the repository) to define
> certain Java-related requirements. {{.mvn/maven.config}} instead, is not
> utilized right now. It can be used, though, to customize the Maven execution
> to once needs (e.g. always skipping {{flink-runtime-web}} through
> {{-Pskip-webui-build}}).
> To be fair, that would be also possible through the
> {{${user.home}/.m2/settings.xml}} through profiles. There are certain
> configuration parameters, though, that are not configurable easily through
> profiles.
> Configuring a checkout-specific local repository isn't possible.
> Checkout-specific local repositories are handy, though when working in
> multiple Flink checkouts (e.g. one checkout for reviews and one for
> contributions). Using a single local repository would cause problems when
> working on a branch locally while reviewing other PRs (and checking them out)
> that touch the same files.
> A workaround for such a scenario would be to have a checkout-specific
> settings.xml that specifies a checkout-specific local repository.
> To support this, I'm suggesting to add {{.mvn/maven.config}} to
> {{.gitignore}} for now. That would allow the developer to enable specific
> Maven parameters by default that match his/her needs. We can revert this
> change as soon as we identify the need to have this file included in the
> repository.
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