[jira] [Created] (KARAF-6651) The provided build command for pull requests in the contribution guide fails

["Oliver Limberg (Jira)" <ji...@apache.org>]

Oliver Limberg created KARAF-6651:
-------------------------------------

             Summary: The provided build command for pull requests in the contribution guide fails
                 Key: KARAF-6651
                 URL: https://issues.apache.org/jira/browse/KARAF-6651
             Project: Karaf
          Issue Type: Documentation
         Environment: macOS Mojave 10.14.6
Model Name: MacBook Pro
Model Identifier: MacBookPro15,1
Processor Name: Intel Core i7
Processor Speed: 2,6 GHz
Number of Processors: 1
Total Number of Cores: 6
L2 Cache (per Core): 256 KB
L3 Cache: 12 MB
Hyper-Threading Technology: Enabled
Memory: 32 GB
java version "1.8.0_231"
Java(TM) SE Runtime Environment (build 1.8.0_231-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode)
Apache Maven 3.6.3
            Reporter: Oliver Limberg


The guide states to run 
{code:bash}
mvn clean verify -Prelease -fae -T 1C
{code}
before submitting a pull request.
 Assuming the user only completed the tasks from BUILDING.md, this will probably always fail, because of the 'sign' goal of the included Apache Maven GPG Plugin.
 I spent quite a few hours now to get this working.
 Other users willing to provide pull requests might not have the patience.

Is signing the artifacts in this case really required? If not, the command should include
{code:bash}
-Dgpg.skip=true{code}
Otherwise, BUILDING.md should contain a section about installing GPG and creating a key as well.

I do not know if this is specific to my system, but I had to create a settings.xml file for maven to contain the passphrase for my GPG key and had to remove the maven options for parallel builds as well.



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