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https://issues.apache.org/jira/browse/MNG-7498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17557028#comment-17557028
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Michael Bauer commented on MNG-7498:
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The justification is largely paranoia. We install software in nonstandard
locations (see that /usr/sup directory), including libraries more recent than
the system libraries, which we would like to see used instead of the system
ones. We've seen entirely too many packages make assumptions about /usr/local
or /opt, or come with baked-in directory paths that do not allow for our odd
paths, so we generally build everything from source to make sure that our paths
get at least considered in, if not baked into, the resulting binaries.
> Cannot use Maven to install a project on a NetApp volume
> --------------------------------------------------------
>
> Key: MNG-7498
> URL: https://issues.apache.org/jira/browse/MNG-7498
> Project: Maven
> Issue Type: Bug
> Components: Deployment
> Affects Versions: 3.8.6
> Environment: RHEL 7 with a NetApp file server.
> Reporter: Michael Bauer
> Assignee: Michael Osipov
> Priority: Minor
> Fix For: waiting-for-feedback
>
>
> By default, every directory in a volume that is exported from a Network
> Appliance contains a directory named '.snapshot'. That directory is created
> and maintained by the NetApp. It is read-only; it cannot be deleted or
> altered.
>
> Maven appears to refuse to install into a directory that is not cleaned out,
> and because of the nature of the subdirectory .snapshot it cannot delete that
> subdirectory. Ergo, I get errors like:
>
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-clean-plugin:3.1.0:clean (clean-target-dir) on
> project apache-maven: Failed to clean project: Failed to delete
> /usr/sup/apache-maven-3.8.6/.snapshot -> [Help 1]
>
> /usr/sup is on a NetApp volume. I did not ask for 'clean' on this install:
>
> % mvn -DdistributionTargetDir='/usr/sup/apache-maven-3.8.6' install
>
> I am a sysadmin, not a developer. My ideal is repeatable builds, so I would
> prefer to have a way to do this that uses released software. End goal: a
> professor wants Hadoop, and Hadoop wants to be installed with a newer version
> of Maven than RHEL 7 provides. If I can't install Maven with Maven, I don't
> expect that installing Hadoop with Maven will work either.
>
> Is there a way to tell Maven to ignore the .snapshot subdirectory in an
> otherwise empty target directory?
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