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https://issues.apache.org/jira/browse/MASSEMBLY-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17016987#comment-17016987
 ] 

Andrey Turbanov edited comment on MASSEMBLY-874 at 1/16/20 5:01 PM:
--------------------------------------------------------------------

As I can in debugger see artifacts are downloaded there - 
https://github.com/apache/maven-assembly-plugin/blob/master/src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java#L158
Perhaps code should set more parameters in {{ProjectBuildingRequest}}.
Something like this:
{code}
Index: 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
<+>UTF-8
===================================================================
--- 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
     (revision 178d0d0e3af1557f0c1400de33cce9885e1d89ab)
+++ 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
     (date 1579186139177)
@@ -180,7 +180,9 @@
 
     private ProjectBuildingRequest getProjectBuildingRequest( 
AssemblerConfigurationSource configSource )
     {
-        return configSource.getMavenSession().getProjectBuildingRequest();
+        ProjectBuildingRequest pbr = 
configSource.getMavenSession().getProjectBuildingRequest();
+        pbr.setRemoteRepositories( project.getRemoteArtifactRepositories() );
+        return pbr;
     }
 
     private boolean isUnpackWithOptions( DependencySet dependencySet )

{code}

It's still unclear for my why plugin tries to "build" project from dependency.

You can see that {{project.getRemoteArtifactRepositories()}} contains all 
defined remote repositories, while default 
{{pbr.getRemoteArtifactRepositories()}} contains only one.


was (Author: turbanoff):
As I can in debugger see artifacts are downloaded there - 
https://github.com/apache/maven-assembly-plugin/blob/master/src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java#L158
Perhaps code should set more parameters in {{ProjectBuildingRequest}}.
Something like this:
{code}
Index: 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
<+>UTF-8
===================================================================
--- 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
     (revision 178d0d0e3af1557f0c1400de33cce9885e1d89ab)
+++ 
src/main/java/org/apache/maven/plugins/assembly/archive/task/AddDependencySetsTask.java
     (date 1579186139177)
@@ -180,7 +180,9 @@
 
     private ProjectBuildingRequest getProjectBuildingRequest( 
AssemblerConfigurationSource configSource )
     {
-        return configSource.getMavenSession().getProjectBuildingRequest();
+        ProjectBuildingRequest pbr = 
configSource.getMavenSession().getProjectBuildingRequest();
+        pbr.setRemoteRepositories( project.getRemoteArtifactRepositories() );
+        return pbr;
     }
 
     private boolean isUnpackWithOptions( DependencySet dependencySet )

{code}

It's still unclear for my why plugin tries to "build" project from dependency.

> maven-assembly plugin always downloads dependencies from net
> ------------------------------------------------------------
>
>                 Key: MASSEMBLY-874
>                 URL: https://issues.apache.org/jira/browse/MASSEMBLY-874
>             Project: Maven Assembly Plugin
>          Issue Type: Improvement
>    Affects Versions: 3.1.0
>         Environment: Multi-Module build
>            Reporter: Roland Schäuble
>            Assignee: Enrico Olivelli
>            Priority: Major
>         Attachments: make.log, 
> maven_assembly_repositories_after_and_before_change.png
>
>
> The maven-assembly-plugin always loads it own dependencies from the internet, 
> although the required dependencies are available in the local m2 repositiory. 
> The local repository is updated with the dependencies but during the next 
> build, the files are downloaded from the internet again instead of getting 
> them from the local repo.
> In the attached log, near the end, the unnecessary downloads begin with 
> "Downloading from central: 
> [https://repo.maven.apache.org/maven2/com/lowagie/itext/2.1.7.js5/itext-2.1.7.js5.pom.";|https://repo.maven.apache.org/maven2/com/lowagie/itext/2.1.7.js5/itext-2.1.7.js5.pom.]
> The files are definitely available in my local repository under 
> ~/.m2/repository/com/...



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