NullPointerException running Ant

[Thomas Jackson <th...@qrowireless.net>]

Hi all,

I am receiveing the following stack trace when I am running Ant in Eclipse.
Has anyone seen this before?

Any help is appreciated!

Thanks
Thomas Jackson

java.lang.NullPointerException
 at org.apache.tools.ant.launch.Locator.getResourceSource(Locator.java:108)
 at
org.apache.tools.ant.util.LoaderUtils.getResourceSource(LoaderUtils.java:147
)
 at
org.apache.tools.ant.taskdefs.optional.ANTLR.addClasspathEntry(ANTLR.java:28
9)
 at org.apache.tools.ant.taskdefs.optional.ANTLR.init(ANTLR.java:262)
 at
org.apache.tools.ant.ComponentHelper.createComponent(ComponentHelper.java:22
4)
 at org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:419)
 at
org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:189)
 at org.apache.tools.ant.Task.perform(Task.java:400)
 at org.apache.tools.ant.Target.execute(Target.java:338)
 at org.apache.tools.ant.Target.performTasks(Target.java:365)
 at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
 at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:420)
 at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:144)
 at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:306)
 at org.apache.tools.ant.Task.perform(Task.java:401)
 at org.apache.tools.ant.Target.execute(Target.java:338)
 at org.apache.tools.ant.Target.performTasks(Target.java:365)
 at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
 at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:420)
 at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:144)
 at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:306)
 at org.apache.tools.ant.Task.perform(Task.java:401)
 at org.apache.tools.ant.Target.execute(Target.java:338)
 at org.apache.tools.ant.Target.performTasks(Target.java:365)
 at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
 at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:420)
 at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:144)
 at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:306)
 at org.apache.tools.ant.Task.perform(Task.java:401)
 at org.apache.tools.ant.Target.execute(Target.java:338)
 at org.apache.tools.ant.Target.performTasks(Target.java:365)
 at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
 at org.apache.tools.ant.Project.executeTargets(Project.java:1094)
 at
org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunn
er.java:379)
 at
org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRun
ner.java:166)


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Re: NullPointerException running Ant

[Stefan Bodewig <bo...@apache.org>]

Should be fixed in CVS HEAD (and any future release of Ant).

My guess as to why you get the error from within Eclipse is that
ant-launcher.jar is part of the CLASSPATH there.

Stefan

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