[jira] [Created] (MENFORCER-308) NullPointerException when using enforcer and assembly plugin in same pom.xml

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

thomas collignon created MENFORCER-308:
------------------------------------------

             Summary: NullPointerException when using enforcer and assembly plugin in same pom.xml
                 Key: MENFORCER-308
                 URL: https://issues.apache.org/jira/browse/MENFORCER-308
             Project: Maven Enforcer Plugin
          Issue Type: Bug
          Components: Plugin
    Affects Versions: 3.0.0-M2, 3.0.0-M1, 1.4.1
         Environment: Windows 7, JDK 1.8.0_172
            Reporter: thomas collignon
         Attachments: error.log

Hi,

 

I got a problem when a project contain a declaration of maven-enforcer-plugin >= 1.4.1 and maven-assembly-plugin, and I think one dependency with runtime scope.

I have made a little project who reproduce the case : [https://github.com/tcollignon/maven_reproduce_cases/tree/master/enforcer_and_assembly]  => just run _mvn clean install_  and see the error :

 
{quote}$ mvn clean install
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------< org.tcollignon:enforcer-assembly >------------------
[INFO] Building enforcer and assembly reproduce case 1.0.0-SNAPSHOT
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ enforcer-assembly ---
[INFO] Deleting D:\java\workspaces\developpement_test\maven_reproduce_cases\enforcer_and_assembly\target
[INFO]
[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-maven-version) @ enforcer-assembly ---
[INFO]
[INFO] --- maven-assembly-plugin:3.1.0:single (make-assembly) @ enforcer-assembly ---
[INFO] Reading assembly descriptor: zip.xml
[WARNING] Cannot include project artifact: org.tcollignon:enforcer-assembly:pom:1.0.0-SNAPSHOT; it doesn't have an associated file or directory.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.092 s
[INFO] Finished at: 2018-06-21T15:59:17+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-assembly-plugin:3.1.0:single (make-assembly) on project enforcer-assembly: Execution make-assembly of goal org.apache.maven.plugins:maven-assembly-plugin:3.1.0:single failed.: NullPointerException -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
{quote}
 

I put in attach the full log in debug mode.

 

With a little debug, I can see that on runtime scope dependency this is null : Artifact#getFile, but I don't know why.

 

When I try with maven-enforcer-plugin 1.4 it works well.

I try with other version of maven-assembly-plugin and it doesn't change anything.



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