Hi there,
I had exactly the same problem when I first started trying to get J3D applets working
in browsers last August/September (See
http://java.sun.com/products/java-media/mail-archive/3D.9.98/1216.html ). It took me
days before I discovered that it only happened when I used Microsoft Personal Web
Server as my server. After switching to the main University Web Server here (UNIX),
I've had no problems at all with J3D & the Plug-In, whether using IE4 or Netscape -
and that's without any "dummy" BeanInfo.classes.
Don't know if this is any use to you, but I hope it helps.
Best Regards,
Tom Richards
University of Bath, UK
-----Original Message-----
From: Daniel Selman [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, May 11, 1999 1:52 AM
To: Harley Blumenfeld; [EMAIL PROTECTED]
Subject: RE: [java3d] BeanInfo ?????
Harley,
I also found this little gem in the Java Plugin FAQ:
Q: When I try to use the AppletClassLoader with Java Plug-in 1.2 Software,
it crashes with a null pointer exception in IE4, but works fine in Netscape.
Why does this happen? Is there a way to make it work correctly in IE4?
A: Java Plug-in 1.2 Software in IE4 tries to load
<YourAppletName>BeanInfo.class even if your applet is not a bean. There is a
bug in JDK 1.2 in the AppletClassLoader that occurs when trying to load
nonexistent classes. To prevent this problem, create an empty
<YourAppletName>BeanInfo.class.
.. you do have to wonder how the hell this stuff gets out into the field,
don't you?
Scary!
Daniel Selman
Tornado Labs Ltd.
Email: [EMAIL PROTECTED]
Web: http://www.tornadolabs.com
Phone: +44 (0131) 343 2513
Fax: +44 07070 800 483
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Harley
Blumenfeld
Sent: 10 May 1999 17:53
To: [EMAIL PROTECTED]
Subject: [java3d] BeanInfo ?????
Hello All,
I have been pulling my hair out trying to use the Java Plug-in
to show a Java3D applet. My applet works fine locally. However when
I try to access it from a web server I publish to it crashes my
browser. The plug in seems to crash when trying to load a class
that doesn't exist. For some reason it keeps trying to load a class
that has the same name as my main class with the suffix BeanInfo.
So my class is BlindsApp.class. It keeps crashing trying to load
BlindsAppBeanInfo.class. I am not even using JavaBeans.
Are any of the Java3D classes intertwined (i.e. inhereted from, share
interfaces with, any connection whatsoever) with JavaBean classes.
Any ideas on what the problem is or should I just chalk it up to
El-Nino?
Thanks,
Harley Blumenfeld
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