[jira] [Created] (MNG-6711) Maven tries to download protobuf:protoc for BSD, while the binary is already installed

["Yuri (JIRA)" <ji...@apache.org>]

Yuri created MNG-6711:
-------------------------

             Summary: Maven tries to download protobuf:protoc for BSD, while the binary is already installed
                 Key: MNG-6711
                 URL: https://issues.apache.org/jira/browse/MNG-6711
             Project: Maven
          Issue Type: Bug
            Reporter: Yuri


This maven-based project failed on FreeBSD 12: https://github.com/dremio/dremio-oss
{code:java}
[ERROR] Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.0:compile (default) on project dremio-protocol: Missing:
[ERROR] ----------
[ERROR] 1) com.google.protobuf:protoc:exe:freebsd-x86_64:2.5.0
[ERROR]
[ERROR]   Try downloading the file manually from the project website.
[ERROR]
[ERROR]   Then, install it using the command:
[ERROR]       mvn install:install-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=2.5.0 -Dclassifier=freebsd-x86_64 -Dpackaging=exe -Dfile=/path/to/file
[ERROR]
[ERROR]   Alternatively, if you host your own repository you can deploy the file there:
[ERROR]       mvn deploy:deploy-file -DgroupId=com.google.protobuf -DartifactId=protoc -Dversion=2.5.0 -Dclassifier=freebsd-x86_64 -Dpackaging=exe -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]
[ERROR]
[ERROR]   Path to dependency:
[ERROR]       1) com.dremio:dremio-protocol:jar:3.2.4-201906051751050278-1bcce62
[ERROR]       2) com.google.protobuf:protoc:exe:freebsd-x86_64:2.5.0
[ERROR]
[ERROR] ----------
[ERROR] 1 required artifact is missing.
[ERROR]
[ERROR] for artifact:
[ERROR]   com.dremio:dremio-protocol:jar:3.2.4-201906051751050278-1bcce62
[ERROR]
[ERROR] from the specified remote repositories:
[ERROR]   dremio-free (http://maven.dremio.com/free/, releases=true, snapshots=true),
[ERROR]   dremio-public (http://maven.dremio.com/public/, releases=true, snapshots=true),
[ERROR]   central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)
[ERROR]
[ERROR] -> [Help 1]
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:3.0.2:jar (default-jar) on project dremio-slim-shade: You have to use a classifier to attach supplemental artifacts to the project instead of replacing them. -> [Help 1]
[ERROR]
{code}
It attempted to download the prebuilt executable which is already installed in the system:
{code:java}
$ which protoc
/usr/local/bin/protoc
$ pkg which /usr/local/bin/protoc
/usr/local/bin/protoc was installed by package protobuf-3.7.1,1
{code}
maven-3.6.1



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