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From: simplicity <stella_pigeon@live.ca>
Newsgroups: comp.lang.java.programmer
Subject: Re: Basic question about compiling
Date: Fri, 10 Feb 2012 11:26:33 -0800 (PST)
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On Feb 10, 10:00=A0am, Knute Johnson <nos...@knutejohnson.com> wrote:
> On 2/10/2012 8:12 AM, 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 with
> > 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%\MyApplet.=
err
>
> > where
> > %CLASSPATH_1% points to the location of the sbsdk.jar, namely "C:\Users
> > \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 where
> > 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
>
> > Luckily, I have the access to the sbsdk.jar source code. =A0When I copy
> > the folder structure containing compiled classes of sbsdk (com\<blah-
> > blah>\sbsdk), my applet loads and everything works as expected.
>
> > Can someone help me understand why this is happening? I know that this
> > is generally caused by SBSDKListener class not being available at the
> > run time (while it is available at compile time, hence no build
> > errors) but I do not understand what it means in practical terms.
>
> Do you have an archive statement in your APPLET tag that lists all the
> jar files?
>
> http://docs.oracle.com/javase/1.4.2/docs/guide/misc/applet.html
>
> --
>
> Knute Johnson

I do, but I only specify MyApplet.jar there. Does it mean that I
should have sbsdk.jar added to archive attribute?

How about plugin.jar? Obviously, I do not have the access to its
compiled classes but this one loads without complains. What's the
difference?