Oracle Web Application Server Java Errors

I get the above error when attempting to run a form from Developer 1.5.

I used this code:

This is what spewed out of the Java Console on my Netscape 4.03 browser:

Netscape Communications Corporation -- Java 1.1.2 Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.057 Copyright (C) 1996-97 Symantec Corporation
# Error: Invalid Hash of this JAR entry (-7882)
# jar file: C:\TEMP\jzipN3UI.TMP
# path: oracle/forms/uiClient/v1_4/debug/Debug.class
# Error: Strange PKCS7 or RSA failure (-7881)
# jar file: C:\TEMP\jzipN3UI.TMP
# path: C:\TEMP\jzipN3UI.TMP
# Error: loading of signatures has failed (-1)
# jar file: C:\TEMP\jzipN3UI.TMP
# path: /web_code/
# Security Exception: cannot define package:java.awt.datatransfer
# Applet exception: error: java.lang.ClassFormatError: Class already
loaded
java.lang.ClassFormatError: Class already loaded
# Error: Invalid Hash of this JAR entry (-7882)
# jar file: C:\TEMP\jzip7P45.TMP
# path: oracle/forms/uiClient/v1_4/debug/Debug.class
# Error: Strange PKCS7 or RSA failure (-7881)
# jar file: C:\TEMP\jzip7P45.TMP
# path: C:\TEMP\jzip7P45.TMP
# Error: loading of signatures has failed (-1)
# jar file: C:\TEMP\jzip7P45.TMP
# path: /web_code/
# Security Exception: cannot define package:java.awt.datatransfer
# Applet exception: error: java.lang.ClassFormatError: Class already
loaded
java.lang.ClassFormatError: Class already loaded

Any insight / help / suggestions would be greatly appriciated. Note:
Using Oracle Web Application server 3.0
oracle server 8
Developer 1.5
Netscape 4.0.3
w/ Java version 1.1.2
although I have JDK 1.14 on my machine which I have not yet used Received on Mon Oct 06 1997 - 00:00:00 CDT