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https://jira.codehaus.org/browse/SCM-585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=358706#comment-358706
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Jörg Hohwiller commented on SCM-585:
------------------------------------
No feedback after 4 years now... Is maven-scm a dead project?
How does maven checkout from scratch? Is there a pattern and I am just not
seeing how to use the API properly?
> "repository cannot be null" on ScmManager.makeProviderScmRepository(String,
> File)
> ---------------------------------------------------------------------------------
>
> Key: SCM-585
> URL: https://jira.codehaus.org/browse/SCM-585
> Project: Maven SCM
> Issue Type: Bug
> Components: maven-scm-api
> Affects Versions: 1.4
> Reporter: Jörg Hohwiller
>
> I want to update a subversion with maven-scm.
> Therefore I get the ScmManager via Plexus and then do this:
> {code}
> ScmManager.makeProviderScmRepository("svn", new File(path/to/checkout));
> {code}
> What I get is:
> {noformat}
> java.lang.NullPointerException: repository cannot be null
> at
> org.apache.maven.scm.command.AbstractCommand.execute(AbstractCommand.java:49)
> at
> org.apache.maven.scm.provider.svn.AbstractSvnScmProvider.executeCommand(AbstractSvnScmProvider.java:356)
> at
> org.apache.maven.scm.provider.svn.AbstractSvnScmProvider.info(AbstractSvnScmProvider.java:377)
> at
> org.apache.maven.scm.provider.svn.svnexe.SvnExeScmProvider.getRepositoryURL(SvnExeScmProvider.java:150)
> at
> org.apache.maven.scm.provider.svn.AbstractSvnScmProvider.makeProviderScmRepository(AbstractSvnScmProvider.java:119)
> at
> org.apache.maven.scm.manager.AbstractScmManager.makeProviderScmRepository(AbstractScmManager.java:267)
> {noformat}
> From what I understand the code tries to execute "svn info" to get the
> repository URL.
> However executing a command always checks that the repository is not {{null}}.
> In this case the svn command should be executed in order to be able to create
> the repository.
> It is not possible to create the repository before, because the URL is not
> known.
> My suggestion is to revisit this block in AbstractCommand:
> {code}
> if ( repository == null )
> {
> throw new NullPointerException( "repository cannot be null" );
> }
> {code}
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