Shane,
it looks like you are using simply a class of commons-collection.
Put commons-collection.jar in $ANT_HOME/lib (the simplest solution),
or change your build files to put commons-collection.jar where you need it (maybe in the classpath of some custom task ???)
or you can also start ant like this
ant -lib [path of commons-collection.jar] (this works under ant 1.6).
Cheers,
Antoine
Shane Furlong wrote:
>
>
>All,
>I recognize that this may be an elementary question but I'm stuck with what
>I know is a Classpath problem and I can't figure out how to fix it. I'm
>trying to learn ant and I have some tutorials but they won't build. The
>error says:
>
>BUILD FAILED
>java.lang.NoClassDefFoundError: org/apache/commons/collections/Predicate
> at org.apache.tools.ant.Project.executeTarget(Project.java:1223)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
> at org.apache.tools.ant.Main.runBuild(Main.java:673)
> at org.apache.tools.ant.Main.startAnt(Main.java:188)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
>Caused by: java.lang.NoClassDefFoundError:
>
>org/apache/commons/collections/Predicate
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
> at java.lang.Class.getConstructor0(Class.java:1930)
> at java.lang.Class.getConstructor(Class.java:1027)
> at org.apache.tools.ant.IntrospectionHelper.<init>(IntrospectionHelper.java:346)
> at org.apache.tools.ant.IntrospectionHelper.getHelper(IntrospectionHelper.java:437)
> at org.apache.tools.ant.UnknownElement.handleChildren(UnknownElement.java:318)
> at org.apache.tools.ant.UnknownElement.configure(UnknownElement.java:182)
> at org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:158)
> at org.apache.tools.ant.Task.perform(Task.java:363)
> at org.apache.tools.ant.Target.execute(Target.java:341)
> at org.apache.tools.ant.Target.performTasks(Target.java:369)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
>
>So what in there is the missing element and what do I need to get in the
>Classpath? Many thanks.
>
>Shane Furlong
>
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