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http://jira.codehaus.org/browse/MANTTASKS-189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=227862#action_227862
]
SebbASF commented on MANTTASKS-189:
-----------------------------------
The solution is to ensure that the systemPath="path-to-jar" attribute is
provided.
Rather than crash with an NPE, the task should report that the systemPath is
required.
> NPE when using scope="system"
> -----------------------------
>
> Key: MANTTASKS-189
> URL: http://jira.codehaus.org/browse/MANTTASKS-189
> Project: Maven 2.x Ant Tasks
> Issue Type: Bug
> Components: dependencies task
> Affects Versions: 2.1.0
> Reporter: SebbASF
>
> Using scope="system":
> <artifact:dependencies>
> <dependency groupId="commons-logging" artifactId="commons-logging"
> version="1.1.1" scope="system"/>
> </artifact:dependencies>
> causes NPE:
> java.lang.NullPointerException
> at java.io.File.<init>(File.java:222)
> at
> org.apache.maven.project.artifact.MavenMetadataSource.createArtifacts(MavenMetadataSource.java:445)
> at
> org.apache.maven.artifact.ant.DependenciesTask.doExecute(DependenciesTask.java:186)
> at
> org.apache.maven.artifact.ant.AbstractArtifactTask.execute(AbstractArtifactTask.java:721)
> at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:390)
> at org.apache.tools.ant.Target.performTasks(Target.java:411)
> at
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1366)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1249)
> at org.apache.tools.ant.Main.runBuild(Main.java:801)
> at org.apache.tools.ant.Main.startAnt(Main.java:218)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
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