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https://issues.apache.org/jira/browse/MSHARED-1275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736402#comment-17736402
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Michael Osipov commented on MSHARED-1275:
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Those are exactly the spots I have identified for.
> MavenReport#canGenerateReport() is invoked twice
> ------------------------------------------------
>
> Key: MSHARED-1275
> URL: https://issues.apache.org/jira/browse/MSHARED-1275
> Project: Maven Shared Components
> Issue Type: Bug
> Components: maven-reporting-impl
> Affects Versions: maven-reporting-impl-4.0.0-M8
> Reporter: Michael Osipov
> Assignee: Michael Osipov
> Priority: Major
> Fix For: maven-reporting-impl-4.0.0-M9
>
>
> The mentioned method called twice for standalone *and* Maven Site Plugin use
> case in {{org.apache.maven.reporting.AbstractMavenReport.generate(Sink,
> SinkFactory, Locale)}} also both uses cases make sure that
> {{canGenerateReport()}} is invoked _before_ {{generate()}} is invoked. This
> is clearly redudant and can incur a performance overhead.
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