I had a similar problem with an exception occurring an launch time. I
finally found out that the cause where old versions of JAR files (Ant
and Log4J) hanging around in my /Library/Java/Extensions directory.
They where hiding the ones that came with Eclipse. May be you have a
look there.
Martin
On 29.01.2007, at 20:22, Fred Shurtleff wrote:
> Hello All,
>
> I am a new WebObjects user trying to get up the learning-curve by
> practicing some of the demo examples in various WO books (WO for
> Mac OSX-PeachPit Press and Practical WebObjects-Apress).
>
> I've run into a road-block when trying to run the demo examples in
> the Practical WebObjects book using the Eclipse/WOLips IDE. The
> error log gives:
>
> !MESSAGE An internal error occurred during: "Launching".\
> !STACK 0\
> java.lang.NullPointerException\
> at
> org.objectstyle.wolips.launching.delegates.WOJavaLocalApplicationLaunc
> hConfigurationDelegate.verifyWorkingDirectory
> (WOJavaLocalApplicationLaunchConfigurationDelegate.java:252)\
> at org.eclipse.jdt.launching.JavaLaunchDelegate.launch
> (JavaLaunchDelegate.java:53)\
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch
> (LaunchConfiguration.java:639)\
> at org.eclipse.debug.internal.core.LaunchConfiguration.launch
> (LaunchConfiguration.java:565)\
> at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch
> (DebugUIPlugin.java:754)\
> at org.eclipse.debug.internal.ui.DebugUIPlugin$6.run
> (DebugUIPlugin.java:944)\
> at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
> My configuration is Eclipse 3.2.1/WOLips 2.0.0.3686/Mac OSX 10.4.8/
> WO 5.2.
>
> Can anyone help me with a suggestion as to what is the cause of
> this error, and/or how to deal with this problem?
>
> Thanks
> Fred Shurleff
>
>
>
This archive was generated by hypermail 2.0.0 : Tue Jan 30 2007 - 04:11:45 EST