Re: [Jscheme-devel] Re: JScheme SchemeApplet - UC WISE Citris Project

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I have more information.  (1) I added "jlib/" between "src/" and "demo/"
and then your Demorunner.html URL was found (no more Error-404).  (2)
When the applet came up, I had this in the Java Console:

java.io.FileNotFoundException:
http://www.cs.brandeis.edu/~tim/jscheme/src/applet.jar
	at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:689)
	at
sun.plugin.net.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:369)
	at
sun.net.www.protocol.http.HttpURLConnection.getHeaderFields(HttpURLConnection.java:1133)
	at
sun.plugin.net.protocol.http.HttpURLConnection.checkCookieHeader(HttpURLConnection.java:330)
	at
sun.plugin.net.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:367)
	at
sun.plugin.net.protocol.http.HttpUtils.followRedirects(HttpUtils.java:39)
	at sun.plugin.cache.CachedJarLoader.download(CachedJarLoader.java:311)
	at sun.plugin.cache.CachedJarLoader.load(CachedJarLoader.java:131)
	at sun.plugin.cache.JarCache.get(JarCache.java:177)
	at
sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(CachedJarURLConnection.java:71)
	at
sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(CachedJarURLConnection.java:56)
	at sun.misc.URLClassPath$JarLoader.getJarFile(URLClassPath.java:498)
	at sun.misc.URLClassPath$JarLoader.<init>(URLClassPath.java:459)
	at sun.misc.URLClassPath$2.run(URLClassPath.java:255)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.misc.URLClassPath.getLoader(URLClassPath.java:244)
	at sun.misc.URLClassPath.getLoader(URLClassPath.java:221)
	at sun.misc.URLClassPath.getResource(URLClassPath.java:134)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:190)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
	at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:132)
	at
sun.plugin.security.PluginClassLoader.findClass(PluginClassLoader.java:189)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:112)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:262)
	at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:473)
	at sun.applet.AppletPanel.createApplet(AppletPanel.java:548)
	at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1621)
	at sun.applet.AppletPanel.runLoader(AppletPanel.java:477)
	at sun.applet.AppletPanel.run(AppletPanel.java:290)
	at java.lang.Thread.run(Thread.java:536)

On Sun, 2002-05-26 at 16:19, Timothy Hickey wrote:
> 
> On Sunday, May 26, 2002, at 02:17 PM, Geoffrey S. Knauth wrote:
> 
> > I tried your applet with JDK1.4 plugin and Mozilla and Netscape 4.79 on
> > RedHat 7.3.  The applet comes up OK, but if I press Detach nothing
> > happens, and no matter what I type (even garbage) in the stop text area,
> > when I press Eval nothing happens.
> 
> hmmmm. Does jscheme run on your system??
> I've tested the applet successfully on
>    Mac OSX with IE and Netscape
>    Mac OS9.1 with IE
>    Windows 98 with IE
> But I don't currently have a RH7.3 box. I'll try to get one soon
> and try it out....
> Do any jscheme applets run (you can try for example
> 
>      http://www.cs.brandeis.edu/~tim/jscheme/src/demo/Demorunner.html
> 
> Thanks for the bug report!
> 
> ---Tim---
> >
> > Geoffrey
> >
> > On Sun, 2002-05-26 at 08:55, Timothy Hickey wrote:
> >> Hi Darrel,
> >>
> >> How has your Scheme interpreter applet project  for WISE been
> >> progressing lately?
> >>
> >> I recently checked in a new Scheme Interpereter applet
> >> that you might be interested in. It should run in all browsers
> >>
> >>     
> >> http://www.cs.brandeis.edu/~tim/jscheme/src/jlib/demo/SchemeEval.html
> >>
> >> and it does "paren matching" and auto-indenting.
> >>
> >> Since "flashing" parens is fairly difficult to implement in Java 1.1,
> >> this applet has an extra textarea showing the most recently
> >> matched complete expression. It is implemented entirely in
> >> Scheme with no additional Java classes needed.
> >>
> >> Please feel free to "steal" anything you want from the code,
> >> it is open-source with zlib/png licensing (the most open of
> >> the open-source licenses).
> >>
> >> We hope to add a "reformat" button, that will auto-indent every
> >> line of the file. Also, improved error reporting would be
> >> helpful especially for pedagogical purposes. For Java 1.2+
> >> applets (or Java Web Start), we can use Swing highlighting
> >> for paren matching....
> >>
> >> ----Tim---
> >>
> >>
> >>
> >>
> >>
> >>
> >> On Saturday, March 30, 2002, at 12:33 AM, Dazhi Liu wrote:
> >>
> >>> Hi,
> >>>
> >>> I've downloaded the latest JScheme and finally had the applet compiled
> >>> under JDK 1.3.1_03 and run under both IE and Netscape 4.x. The problem
> >>> seemed to be that JDK 1.4 compiled a version that's imcompatible with
> >>> previous versions of JVM.
> >>>
> >>> Thank you for all your help.
> >>>
> >>> Best regards,
> >>> Darrel
> >>>
> >>>
> >>
> >>
> >> _______________________________________________________________
> >>
> >> Don't miss the 2002 Sprint PCS Application Developer's Conference
> >> August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> >>
> >> _______________________________________________
> >> Jscheme-devel mailing list
> >> Jsc...@li...
> >> https://lists.sourceforge.net/lists/listinfo/jscheme-devel
> >>
> > --
> > Geoffrey S. Knauth				http://knauth.org/gsk
> >
> >
> 
> 
> _______________________________________________________________
> 
> Don't miss the 2002 Sprint PCS Application Developer's Conference
> August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> 
> _______________________________________________
> Jscheme-devel mailing list
> Jsc...@li...
> https://lists.sourceforge.net/lists/listinfo/jscheme-devel
> 
-- 
Geoffrey S. Knauth				http://knauth.org/gsk