JDK-4070158 : (api) java.applet.Applet.getCodeBase() returns NullPointerException
- Type: Bug
- Component: tools
- Sub-Component: appletviewer
- Affected Version: 6
- Priority: P4
- Status: Closed
- Resolution: Not an Issue
- OS:
solaris_2.5.1,windows_nt,windows_2000 solaris_2.5.1,windows_nt,windows_2000
- CPU: x86,sparc
- Submitted: 1997-08-06
- Updated: 2005-06-01
- Resolved: 2005-06-01
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| JDK 6 |
|---|
6Resolved  |
Related Reports
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Relates :
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Description
Name: rlT66838 Date: 08/06/97
This is probably broken on every platform....
/*
java.applet.Applet.getCodeBase() returns NullPointerException
if the Applet is used as an application.
Compiling and running this program results in:
% javac AppletExample.java
% java AppletExample
java.lang.NullPointerException
at java.applet.Applet.getCodeBase(Applet.java:110)
at AppletExample.start(AppletExample.java:41)
at AppletExample.main(AppletExample.java:48)
----------
Applet.java contains the following code at line 110:
public URL getCodeBase() {
return stub.getCodeBase();
}
It needs to make sure "stub" isn't null. getCodeBase() should
return null if "stub" is null.
i.e.
public URL getCodeBase() {
return (stub == null ? null : stub.getCodeBase());
}
Workaround? none
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class AppletExample extends Applet {
public void start() {
if(getCodeBase() != null)
showStatus(getCodeBase().toString());
}
public static void main(String[] args) {
AppletExample ae = new AppletExample();
ae.init();
ae.start();
}
}
company - Sun Microsystems , email - ###@###.###
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