ClassNotFoundException When Trying To Access Default Form For a New 12c Forms Install

(Doc ID 2358368.1)

Last updated on APRIL 16, 2018

Applies to:

Oracle Forms - Version 11.1.2.2.0 and later
Information in this document applies to any platform.

Symptoms

Test Form and a simple test applet fail with the following error when run from a new install of Oracle Forms 12c (12.2.1.3.0) on UNIX.
JRE 1.8.0_151 installed on desktop.

ClassNotFoundException

OR the following error:

java.io.FileNotFoundException: C:\Program Files\Java\Cache\#.#\##\filename.lap (Access is denied)

An existing install of Oracle Forms 12c (12.2.1.3.0) on a different UNIX server works from same desktop.


STEPS
-----------------------
1. Run the URL:
http://host:port/forms/frmservlet fails with documented error.
2. Error occurs, but does not occur if a form is run from a different server.
3. The issue does not occur if the above URL is run from a different desktop.
4.  Issue occurred with the latest JRE installed.
5.  The issue did not occur if the form was run as an administrator.

Changes

 Testing a new Forms 12c install on a UNIX server.

Cause

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