Solving Concrete Area Applet Problems

If you are having problems getting the Concrete Area applet to run on your browser, you should follow the following steps.

1. Make sure that you have a jdk 1.1 compliant browser. At the moment these include:

   SUN's HotJava

   Unsurprisingly, this browser works extremely well with Java applets

   Microsoft's Internet Explorer 4.0 or later

   Netscape's Navigator 4.06 or later

   Note: It has been reported that the JVM in the Linux release of Navigator 4.06 has serious problems that render it unusable. Similar problems might occur on other Unix platforms. Navigator 4.51 and later releases for Linux give good results.

   SUN's Java Activator - not currently enabled

   JPython applets should almost certainly work with the Java Activator, but I haven't yet invested the time to get the demo of this up and running.

2. Make sure you don't have any old releases of JPython in your class path.
   • If you are running a SUN (or SUN-like) VM you need to make sure your CLASSPATH environment variable is not pointing to any directories with JPython .class files.

   • If you are running a MS VM, you should probably check out the registry entry under LOCAL_MACHINE/Software/Microsoft/JavaVM/Classpath

3. Send mail to Drillco Tech Support explaining your problem. Include the following information:
   • What OS (name and version) and Browser (name and version) you are running.
   • A copy of your Java console window after failing to run the application applet. Under IE, you need to explicitly enable the Java console, or Java logging.
   
   
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