Strange behavior while using Commons-discovery.jar

[NB...@chrysler.com]

If I use "commons-discovery.jar" on my WAS 6.0 server classpath, it gives 
me an error -"Could not find Web Service Engine"
but the specifications for axis say that it has to be there on the server 
classpath.

And more interesting is when I run the Web Service Axis client, it gives 
me a "NoClassDefFoundError for DiscoverSingleton class which is located in 
commons-discovery.jar"

So if put that file on classpath - my web service server stops working and 

if I don't put that on classpath - my web service client stops working.

Is it any Jar conflict issue ?

Please advise.

Thanks.

Regards,
Nipun Bansal