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https://issues.apache.org/jira/browse/MNG-6660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851665#comment-16851665
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Luke Usherwood commented on MNG-6660:
-------------------------------------
_(Sorry for the delay, email went to spam)_
Ah-ha, a clue!
[DEBUG] Stale source detected:
D:\work\workspace\H5tutrCmprss\H5tutrCmprss.java
[DEBUG] Stale source detected:
D:\work\workspace\H5tutrCmprss\.\H5tutrCmprss.java
...
[INFO] Compiling 2 source files to
D:\work\workspace\H5tutrCmprss\target\classes
(There's only one source file.)
[^debug.log]
> duplicate classes error with source in the root directory
> ---------------------------------------------------------
>
> Key: MNG-6660
> URL: https://issues.apache.org/jira/browse/MNG-6660
> Project: Maven
> Issue Type: Bug
> Affects Versions: 3.6.1
> Reporter: Luke Usherwood
> Priority: Minor
> Attachments: debug.log
>
>
> Trying to follow the instructions from
> [here|[https://github.com/bytedeco/javacpp-presets/tree/master/hdf5#sample-usage]]
> which entails adding this little pom:
> {{<project>
> <modelVersion>4.0.0</modelVersion>
> <groupId>org.bytedeco.hdf5</groupId>
> <artifactId>H5tutrCmprss</artifactId>
> <version>1.5</version>
> <properties>
> <exec.mainClass>H5tutrCmprss</exec.mainClass>
> </properties>
> <dependencies>
> <dependency>
> <groupId>org.bytedeco</groupId>
> <artifactId>hdf5-platform</artifactId>
> <version>1.10.5-1.5</version>
> </dependency>
> </dependencies>
> <build>
> <sourceDirectory>.</sourceDirectory>
> </build>
> </project>}}
> and a Java source file to the root directory. (There's code in the same link,
> but actually anything I think anything with a `main` function will do.)
> It does not seem to work with:
> {{<sourceDirectory>.</sourceDirectory>}}
> Yielding the strange error
> Compilation failure
> [ERROR] /D:/work/workspace/hdf5/H5tutrCmprss.java:[7,8] duplicate class:
> H5tutrCmprss
> (Seen also in: MCOMPILER-235)
> However if I move the source under a sub-directory `src` and update the pom
> accordingly, it works fine. I assume that this pom worked "out of the box"
> once, so I wonder if this is a regression?
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