[
http://jira.codehaus.org/browse/MREPOSITORY-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=176186#action_176186
]
Michael Walters commented on MREPOSITORY-7:
-------------------------------------------
Type the command:
$>mvn -e clean install
Have the following in your pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project...
...
<distributionManagement>
<!--
This POM's parent POM (the Apache root POM) provides repositories.
Unfortunately,
this allows for accidental deployments. So we disable them here by
providing
a dummy repository. Use "mvn -Prc deploy" (Apache snapshot repository) or
"mvn -Prelease deploy" (Apache release repository), if you really want to
deploy.
-->
<repository>
<id>dummy</id>
<name>Dummy to avoid accidental deploys</name>
</repository>
</distributionManagement>
...
</project>
You'll get:
$>mvn -e clean install
+ Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
at org.apache.maven.wagon.PathUtils.protocol(PathUtils.java:206)
at
org.apache.maven.wagon.repository.Repository.setUrl(Repository.java:121)
at
org.apache.maven.wagon.repository.Repository.<init>(Repository.java:74)
at
org.apache.maven.artifact.repository.DefaultArtifactRepository.<init>(DefaultArtifactRepository.java:70)
at
org.apache.maven.artifact.repository.DefaultArtifactRepositoryFactory.createDeploymentArtifactRepository(DefaultArtifactRepositoryFactory.java:44)
at
org.apache.maven.project.ProjectUtils.buildDeploymentArtifactRepository(ProjectUtils.java:80)
at
org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic(DefaultMavenProjectBuilder.java:1060)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:878)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:506)
at
org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:198)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:583)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:461)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:365)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:292)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
[INFO] ------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Tue May 12 13:01:19 MDT 2009
[INFO] Final Memory: 1M/4M
[INFO] ------------------------------------------------------------------------
> When given blank repositories cannot attain goal
> ------------------------------------------------
>
> Key: MREPOSITORY-7
> URL: http://jira.codehaus.org/browse/MREPOSITORY-7
> Project: Maven 2.x Repository Plugin
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Matthew Purland
>
> With the example in the pom.xml
> <repositories>
> <repository>
> <releases>
>
> </releases>
> <snapshots>
>
> </snapshots>
> </repository>
> </repositories>
> Maven fails with the following:
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at org.apache.maven.wagon.PathUtils.protocol(PathUtils.java:206)
> at
> org.apache.maven.wagon.repository.Repository.setUrl(Repository.java:119)
> at
> org.apache.maven.wagon.repository.Repository.<init>(Repository.java:72)
> at
> org.apache.maven.artifact.repository.DefaultArtifactRepository.<init>(DefaultArtifactRepository.java:84)
> at
> org.apache.maven.artifact.repository.DefaultArtifactRepositoryFactory.createArtifactRepository(DefaultArtifactRepositoryFactory.java:82)
> at
> org.apache.maven.project.ProjectUtils.buildArtifactRepository(ProjectUtils.java:102)
> at
> org.apache.maven.project.ProjectUtils.buildArtifactRepositories(ProjectUtils.java:53)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.buildArtifactRepositories(DefaultMavenProjectBuilder.java:811)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:958)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:674)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:416)
> at
> org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:192)
> at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:515)
> at
> org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:447)
> at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:351)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:278)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
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