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https://issues.apache.org/jira/browse/MCOMPILER-454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lorenzo Bettini updated MCOMPILER-454:
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    Attachment: example.zip

> The compiler plugin does not always detect removed Java files
> -------------------------------------------------------------
>
>                 Key: MCOMPILER-454
>                 URL: https://issues.apache.org/jira/browse/MCOMPILER-454
>             Project: Maven Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 3.8.1
>            Reporter: Lorenzo Bettini
>            Priority: Major
>         Attachments: example.zip
>
>
> I'm doing some experiments with a very simple Maven project (see the 
> attachment) where I set the maven-compiler-plugin to the latest version 3.8.1 
> to see whether the compiler effectively detects the removal of a Java file 
> and correctly recompiles the sources (and tests). In the project, there are 
> two Java sources App.java and App2.java.
> I run `mvn test-compile`
> then I remove the App2.java file
> I run again `mvn test-compile`
> sometimes the removed Java file is detected and the sources and tests are 
> recompiled (the old App2.class is also removed of course). Sometimes, this 
> does not happen ("Nothing to compile - all classes are up to date").
> I'm afraid I don't understand when this works correctly and when it does not. 
> But it consistently happens: sometimes the right behavior, sometimes the 
> wrong one.



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