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https://issues.apache.org/jira/browse/MCOMPILER-525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guillaume Nodet closed MCOMPILER-525.
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Fix Version/s: 3.11.0
Assignee: Guillaume Nodet
Resolution: Fixed
> Incremental recompile incorrect detection of dependency change
> --------------------------------------------------------------
>
> Key: MCOMPILER-525
> URL: https://issues.apache.org/jira/browse/MCOMPILER-525
> Project: Maven Compiler Plugin
> Issue Type: Bug
> Affects Versions: 3.10.1
> Reporter: Jorge Solórzano
> Assignee: Guillaume Nodet
> Priority: Major
> Fix For: 3.11.0
>
>
> I have just hit an issue running the ITs of maven-jar-plugin, specifically
> the *MJAR-70-no-recreation* test on Maven 3.9.0-SNAPSHOT.
> Trying to debug the issue I just found out that the issue is not related to
> Maven 3.9.0-SNAPSHOT but the real issue seems related to the
> maven-compiler-plugin used by default on that version.
> maven-compiler-plugins tries to detect changes on incremental compilation
> running *isDependencyChanged()* which in turn executes *hasNewFile()* but
> during the same run of maven, if the compile phase is run twice it would not
> detect correctly that nothing has changed since is just evaluating the file
> time of the class but the class ends up being newer than the buildStartTime,
> so this causes the recompilation.
> My proposal is to add a step to set the last modification time if the
> incremental compilation is enabled and that way it will use the exact same
> time than the buildStartTime() from maven.
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