[3192] in java-interest
Re: win95 alpha3 Frame instantiation error
daemon@ATHENA.MIT.EDU (Thomas Ball)
Thu Nov 2 20:33:56 1995
Date: Thu, 2 Nov 1995 14:35:55 -0800
From: Thomas.Ball@Eng.Sun.COM (Thomas Ball)
To: garya@village.org
Cc: java-interest@java.Eng.Sun.COM
> Using alpha3 on win95,
The beta's out, and is the first release that officially supports Win95.
> If I try to instantiate a Frame as follows:
>
> wserver = new WServer();
> wserver.start();
> main_win = new Frame( wserver, true, false, null, 200, 200, null );
>
> I get the following message:
>
> Exception in thread "main" java.lang.NullPointerException
> at awt.Frame.<init>(F:\ws\liveoak.porting\src\share\awt\awt\Frame.java:72)
> at MyApp.MyApp.main(C:\GARYA\JAVA\Test\MyApp\MyApp.java:22)
>
> If I try the following:
>
> wserver = new WServer();
> main_win = new Frame( wserver, true, false, null, 200, 200, null );
>
> I get:
>
> Exception in thread "main" java.lang.UnsatisfiedLinkException frameCreate
> at awt.Frame.<init>(F:\ws\liveoak.porting\src\share\awt\awt\Frame.java:72)
> at MyApp.MyApp.main(C:\GARYA\JAVA\Test\MyApp\MyApp.java:21)
>
> It appears to be trying to grab something from the sun source site used
> to port this.
In the alpha release, the full path of a class's source file was saved.
In beta, it will just say "Frame.java:72".
> What's going on? What am I doing wrong? It has found the
> classes ok, since new WServer gets instantiated ok.
frameCreate is a native library -- my guess is that the awt.dll couldn't
be dynamically loaded. Check that it is in your PATH.
> Finally, what is
> ../alpha3/hotjava/lib/javai.lib
> and what uses it?
That's the java interpreter -- all java executables use it.
Tom Ball
Java Products Group
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