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Running Applet Classes from Packages

3 replies on 1 page. Most recent reply: Jan 31, 2003 10:56 AM by Kishori Sharan

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Ryan

Posts: 7
Nickname: rype69
Registered: Jan, 2003

Running Applet Classes from Packages Posted: Jan 30, 2003 3:19 AM
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I'm writing a package of classes, the main of which is an applet which refuses to run correctly unless it doesn't have "package storm;" at the top of the file. It says java.lang.noClassDefFoundError.Storm (wrong name: storm/Storm) in the browser (ie). Why is that?

Ryan, UK.


Kishori Sharan

Posts: 211
Nickname: kishori
Registered: Feb, 2002

Re: Running Applet Classes from Packages Posted: Jan 30, 2003 10:00 AM
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There are two ways to fix this problem:

1. Use CODEBASE attribute and place your applet class in appropriate folder according to your package. In fact, codebase acts like classpath for applet. Use fully qualified name in CODE

2. Use archive attribute for applet tag and place all your code in a jar file.

Thanks
Kishori

shruti

Posts: 1
Nickname: shruth
Registered: Jan, 2003

Re: Running Applet Classes from Packages Posted: Jan 31, 2003 8:08 AM
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Kishori Please tell me about Archieve attribute of applet tag

Kishori Sharan

Posts: 211
Nickname: kishori
Registered: Feb, 2002

Re: Running Applet Classes from Packages Posted: Jan 31, 2003 10:56 AM
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In case your applet uses more than one class files , you can pack them all in one in a jar file. Then , for applet tag you need to specify that jar file name for archive attribute. Suppose, you have packed all class files in myapplet.jar file. Then your applet tag should look like:
<applet code"p1.A1.class" archive="myapplet.jar">
</applet>
If you have more than one jar files then you can specify them all as a comma separated list. For more details on applet tag please visit the following link:

http://java.sun.com/docs/books/tutorial/applet/appletsonly/html.html

Thanks
Kishori

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