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From "Andreas Felder (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IVY-1539) NullPointerException in dependencytree with no dependencies
Date Tue, 19 Apr 2016 07:02:25 GMT

    [ https://issues.apache.org/jira/browse/IVY-1539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247282#comment-15247282
] 

Andreas Felder commented on IVY-1539:
-------------------------------------

I got the same issue. It's very annoying and prevents me from using this target.

> NullPointerException in dependencytree with no dependencies
> -----------------------------------------------------------
>
>                 Key: IVY-1539
>                 URL: https://issues.apache.org/jira/browse/IVY-1539
>             Project: Ivy
>          Issue Type: Bug
>          Components: Ant
>    Affects Versions: 2.4.0
>            Reporter: Brett Wooldridge
>
> When running <ivy:dependencytree /> in a project with no declared dependencies
a NPE is generated:
> {code:java}
> /Users/brettw/Documents/lvi/netld/netld/common.xml:16: java.lang.NullPointerException
> 	at org.apache.ivy.ant.IvyDependencyTree.printDependencies(IvyDependencyTree.java:56)
> 	at org.apache.ivy.ant.IvyDependencyTree.doExecute(IvyDependencyTree.java:52)
> 	at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:271)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
> 	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:497)
> 	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:435)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:456)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
> 	at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1260)
> 	at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:441)
> 	at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:309)
> 	at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:224)
> 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:497)
> 	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:435)
> 	at org.apache.tools.ant.Target.performTasks(Target.java:456)
> 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
> 	at org.apache.tools.ant.Project.executeTarget(Project.java:1376)
> 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> 	at org.apache.tools.ant.Project.executeTargets(Project.java:1260)
> 	at org.apache.tools.ant.Main.runBuild(Main.java:853)
> 	at org.apache.tools.ant.Main.startAnt(Main.java:235)
> 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:285)
> 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:112)
> {code}



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