Exception:java.lang.NoClassDefFoundError: javax/naming/Referenceable. Java

Hi When i am calling a java class from cold fusion page i am getting following error java.lang.NoClassDefFoundError: javax/naming/Referenceable. Java exception occurred in call to method. I don't know why it is happening .
[260 byte] By [Ravi_Singh83a] at [2007-11-27 7:10:47]
# 1
The error is quite self explanatory. NoClassDefFoundError in full is no-class-definition-has-been-found error! The system cannot find a file you have specified
Jamwaa at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 2
Your classloader may not know what to do, Mr. Singh. http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_19268&sliceId=2
filestreama at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 3
Any other answer none of them are working
Ravi_Singh83a at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 4
> Any other answer none of them are workingYou are an idiot?
cotton.ma at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 5
> > Any other answer none of them are working> > You are an idiot?Please mr. cotton.m, that is not nice. What if Mr. Singh is having 1 doubt about CLASSLOADERs simply?
filestreama at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 6

> > > Any other answer none of them are working

> >

> > You are an idiot?

>

> Please mr. cotton.m, that is not nice. What if Mr.

> Singh is having 1 doubt about CLASSLOADERs simply?

He asked for another answer... that's another answer.

cotton.ma at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 7

> > > > Any other answer none of them are working

> > >

> > > You are an idiot?

> >

> > Please mr. cotton.m, that is not nice. What if

> Mr.

> > Singh is having 1 doubt about CLASSLOADERs simply?

>

> He asked for another answer... that's another answer.

No, it's a question.

DrClapa at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 8

> > > > > Any other answer none of them are working

> > > >

> > > > You are an idiot?

> > >

> > > Please mr. cotton.m, that is not nice. What if

> > Mr.

> > > Singh is having 1 doubt about CLASSLOADERs

> simply?

> >

> > He asked for another answer... that's another

> answer.

>

> No, it's a question.

No, it was an answer offered as an alternative suggestion.

Example

Q: I'd like to use an XML parser that isn't DOM.

A: SAX?

cotton.ma at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 9
> SAX?Not now dear, I have a headache.
filestreama at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...
# 10
> > SAX?> > Not now dear, I have a headache.Take two DOM and call me in the morning.
cotton.ma at 2007-7-12 19:02:21 > top of Java-index,Java Essentials,Java Programming...