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Newsgroups: comp.lang.java.programmer
Date: Tue, 1 Jan 2013 00:25:47 -0800 (PST)
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Subject: Re: NoClassDefFoundError
From: Lew <lewbloch@gmail.com>
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Xref: csiph.com comp.lang.java.programmer:20846

Arne Vajh=F8j wrote:
> emf wrote:
>> After a long time, I tried to create an applet. In eclipse [sic] it runs
>> perfect as an applet, but in the webpage in the browser it gives a
>> NoClassDefFoundError.

Hmm. Could there be a dependent JAR missing in the browser context?

>> I even tried my very first program, HelloWorldApplet, but I got again

Example, please?
http://sscce.org/

>> the same problem.

Which would be ...?

Yes, yes, you said 'NoClassDefFoundError'. What was the *exact* message?

What is the code?

>> What kind of problem is this?=20

http://docs.oracle.com/javase/7/docs/api/java/lang/NoClassDefFoundError.htm=
l

You did read this before, yes?

It explains exactly what kind of problem this is.

RTFM is sooo useful.

>> Is it a compilation issue?

Really? Come on.

>> Or is it an eclipse [sic] problem?=20

Given that it doesn't happen in Eclipse, according to your report, I'd have=
 to=20
guess no.

>> At this stage I would be happy to have the HelloWorldApplet run: I feel =
if I this runs, my other program will run too.

"Feel"? Logic should rule.

> Impossible to say without more info.

Quite.

Although it's certainly possible to say this isn't a compilation error,=20


        given that it happened at runtime


        and not during compilation.


> It could be that the class/jar file is not correctly placed
> or is not correctly served by the web server.

Or not referenced properly in the various tags and applet JAR.

How are you packaging the applet?

How are you specifying its classpath?

--=20
Lew