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From: Lew <lewbloch@gmail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Basic question about compiling
Date: Fri, 10 Feb 2012 13:11:23 -0800 (PST)
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On Friday, February 10, 2012 11:48:13 AM UTC-8, simplicity wrote:
> On Feb 10, 10:29=A0am, Lew <lewbl...@gmail.com> wrote:
> > Knute Johnson wrote:
> > > simplicity wrote:
> > > > I know this is kind of basic but somehow the solution escapes me.
> >
> > > > I have the applet which is supposed to hook up with the hardware
> > > > attach to the computer. The hook-up interface is available in the
> > > > external JAR archive called sbsdk.jar. So, I compile the applet wit=
h
> > > > the following command:
> >
> > > > javac -d %DST% ^
> > > > =A0 =A0 =A0 =A0-classpath %CLASSPATH_1%;%CLASSPATH_2% ^
> > > > =A0 =A0 =A0 =A0%SRC%\MyApplet.java>%DST%\MyApplet.log 2>%DST%\MyApp=
let.err
> >
> > > > where
> > > > %CLASSPATH_1% points to the location of the sbsdk.jar, namely "C:\U=
sers
> > > > \User\\Java\lib\sbsdk.jar"
> > > > and
> > > > %CLASSPATH_2% points to "%JRE%\lib\plugin.jar" (for JSObject to
> > > > communicate with javascript in the page).
> >
> > > > OK, so far so good. Applet compiles with no issues. But that's wher=
e
> >
> > So far all you've done is specify the compile-time classpath.
> >
> > > > it ends. When I load the HTML file containing the applet into a
> > > > browser I am getting the exception
> >
> > > > Exception in thread "thread applet-MyApplet.class-1"
> > > > java.lang.NoClassDefFoundError: com.<blah-blah>.sbsdk/SBSDKListener
> >
> > Because you did not provide the JAR to the runtime classpath!
> >
> > You need to study the Java tutorial.
> >
> > > > Luckily, I have the access to the sbsdk.jar source code. =A0When I =
copy
> > > > the folder structure containing compiled classes of sbsdk (com\<bla=
h-
> > > > blah>\sbsdk), my applet loads and everything works as expected.
> >
> > Your expectations are what are at fault.
>=20
> I guess you are right. When I post the question on the public forum my
> expectations are (1) get the answer, regardless of how trivial, basic
> and obvious it might be or (2) get a gibberish like the stuff you
> spent time on creating.
>=20
> "Go do your research" is a typical response of a clueless buffoon
> whose only characteristic is that he/she cannot keep his/her mouth
> shut.

So you're saying that reading the documentation is not a good idea?

> > You must provide the dependencies *at run-time*.
>=20
> Didn't I say that I know WHAT is causing it? I thought I did. What I
> do not know is WHY and HOW to fix it.

You asked specifically for help understanding the issue. Another respondent=
 had=20
given you a recipe for repair; I did not see any point in wasting your time=
=20
repeating his good advice. However, that only answered part of your questio=
n.=20
You also asked, "Can someone help me understand why this is happening?" I a=
m so=20
very sorry I took your question seriously and tried to answer it more fully=
.
I guess I was under the assumption that you actually wanted the information=
=20
that you requested.

> Anyway, thanks for your time you spent typing your response. Sorry to
> state it to you though that it is useless. I always DO my research and
> if I decide to go public with questions it means I did not find the
> answer myself. I suppose the same applies to majority of folks here
> and my advise [sic] to you is: give people a bit of a slack.

Your answer showed no signs of you having read or understood the very basic=
=20
need in Java to have the JAR present at runtime as well as at compile time.
Under the circumstances, telling you what to research and where seemed=20
appropriate. Now, untwist your knickers, please.

> > > > Can someone help me understand why this is happening? I know that t=
his
>=20
> > We can tell you why this is happening; we cannot help you understand it=
.
>=20
> And also thanks for your attempt to point out to me how really stupid
> I am. I am going to try to improve...

With that level of response to the help you received, I doubt it.

--=20
Lew