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From "Alexander Muthmann (JIRA)" <>
Subject [jira] [Commented] (SUREFIRE-951) Better handling of file.encoding system property
Date Fri, 10 Mar 2017 08:11:04 GMT


Alexander Muthmann commented on SUREFIRE-951:

Hi, we currently run into this issue using 2.19, as here is still some discussion I have to
ask: is this issue really closed?

> Better handling of file.encoding system property
> ------------------------------------------------
>                 Key: SUREFIRE-951
>                 URL:
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: Maven Surefire Plugin, process forking
>    Affects Versions: 2.13
>         Environment: Any environment in which the file encoding is distinct from ${}.
>            Reporter: Stephan Schroevers
>            Assignee: Tibor Digana
>             Fix For: 2.15
>         Attachments: file-encoding-example.tbz
> It appears that Surefire doesn't (correctly) set {{-Dfile.encoding=$\{\}}}
prior to running the tests. As a result the JVM will derive {{file.encoding}} from the environment's
file encoding. This affects the return value of {{java.nio.charset.Charset#defaultCharset()}},
which reads the {{file.encoding}} system property exactly once, and is invoked very early
on. Concretely this means that the unit tests are unnecessarily platform dependent.
> Thus I have two requests:
> # Make {{-Dfile.encoding=$\{\}}} the default. That is, the
following configuration setting should be implied:
> {noformat}
> <argLine>-Dfile.encoding=${}</argLine>
> {noformat}
> # Extend the method {{org.apache.maven.plugin.surefire.SurefireProperties#verifyLegalSystemProperties(org.apache.maven.plugin.logging.Log)}}
such that is warns about users attempting to set the {{file.encoding}} property through the
{{systemPropertyVariables}} configuration setting. Like with {{java.library.path}}, this does
_not_ work.
> I have [attached|^file-encoding-example.tbz] a sample project that demonstrates the issue
(simply run {{`mvn test`}}). Please have a look at the comments I added to the POM. I have
tested this sample project only on Linux, but a colleague has confirmed that an instance of
this issue can also be recreated on Windows.
> TIA for looking into this!

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