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https://issues.apache.org/jira/browse/SUREFIRE-1385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17865555#comment-17865555
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Konrad Windszus commented on SUREFIRE-1385:
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One common issue is property {{maven.repo.local}} which is set in ASF Jenkins
implicitly through
https://plugins.jenkins.io/pipeline-maven/#plugin-content-usage (as CLI
parameter), and cannot be overwritten afterwards (e.g. for
https://maven.apache.org/shared/maven-verifier/getting-started.html used in ITs
with maven-failsafe-plugin).
> System properties defined in the Surefire and Failsafe plugin configuration
> should override user properties
> -----------------------------------------------------------------------------------------------------------
>
> Key: SUREFIRE-1385
> URL: https://issues.apache.org/jira/browse/SUREFIRE-1385
> Project: Maven Surefire
> Issue Type: Improvement
> Components: Maven Failsafe Plugin, Maven Surefire Plugin
> Affects Versions: 2.20
> Reporter: Guillaume Boué
> Priority: Major
>
> Consider a build with the following POM configuration for the Maven Failsafe
> Plugin:
> {code:xml}
> <configuration>
> <systemPropertyVariables>
> <prop>foo</prop>
> </systemPropertyVariables>
> </configuration>
> {code}
> When running the build with the command line {{mvn -Dprop=bar ...}}, the
> tests would be passed a system property with a value of {{bar}} instead of
> {{foo}}.
> This is counter-intuitive since direct configuration of the plugin is
> overriden by the more general properties passed on the command line. I would
> have expected the closer definition in the POM to override the one passed
> with the CLI. Furthermore, in the case of the above sample, it would not be
> possible for the tests run by the Failsafe Plugin to have a system property
> {{prop}} with a value of {{foo}} if the build happens to already define a
> system property with the same name. While using a different name to avoid a
> clash is possible, it still doesn't make the test self-contained and
> consistent since anyone could run Maven with that other name and compromise
> the test that really relies on the system property having a value of {{foo}}.
> The proposal is thus to make the {{systemPropertyVariables}} and
> {{systemPropertiesFile}} configuration elements of the Surefire and Failsafe
> Plugin take precedence over user properties passed on the command line.
> Proposed commit
> [4de017b38b101b0b28f9fbed135eae3921b99d0d|http://git-wip-us.apache.org/repos/asf/maven-surefire/commit/4de017b3]
> on SUREFIRE-1385 branch.
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