[jira] (MNG-5680) java.lang.UnsupportedOperationException on DefaultProjectBuilder.build

["Shaun (JIRA)" <ji...@codehaus.org>]

    [ https://jira.codehaus.org/browse/MNG-5680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=358642#comment-358642 ] 

Shaun commented on MNG-5680:
----------------------------

[~gastaldi] can you post your environment information, such as operating system, jdk, etc? You can get this with "mvn --version". Also, are you by chance using homebrew?

> java.lang.UnsupportedOperationException on DefaultProjectBuilder.build
> ----------------------------------------------------------------------
>
>                 Key: MNG-5680
>                 URL: https://jira.codehaus.org/browse/MNG-5680
>             Project: Maven
>          Issue Type: Bug
>          Components: Bootstrap & Build
>    Affects Versions: 3.2.3
>            Reporter: George Gastaldi
>            Priority: Critical
>         Attachments: pom.xml
>
>
> {code}
> ProjectBuildingRequest request = ...
> ProjectBuilder builder = plexus.lookup(ProjectBuilder.class);
> builder.build(file, request);
> {code}
> When the build method is called, the following exception is thrown: 
> {code}
> java.lang.UnsupportedOperationException
> 	at java.util.AbstractMap.put(AbstractMap.java:209)
> 	at org.apache.maven.project.DefaultProjectBuilder.initProject(DefaultProjectBuilder.java:815)
> 	at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:174)
> 	at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:118)
> {code}
> The code should be reviewed. This is the offending code inside DefaultProjectBuilder: 
> {code}
>                     Artifact artifact = repositorySystem.createDependencyArtifact( d );
>                     if ( artifact == null )
>                     {
>                         map = Collections.emptyMap();
>                     }
>                     map.put( d.getManagementKey(), artifact );
> {code}



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