Form not displayed when run- a large gray block

I am trying to debug an existing form (which I know runs in our production enviroment). I need to debug to see what is happening to investigate the scope of a potential modification.
My problem is that when I startup the OC4J container (no errors) and run the form from withing the Forms developer IDE, my browser launches (or attempts) and the form is nor displayed, only a 'large gray block' which I presume is the applet which should be launching my form.
I tried to place message, in the form trigger, when-new-form-instance and when-form-navigate in order to identify if that code is been called, but I do not get the debug messages.
I turned on edit->preferences->runtime->debug messages, and I get 1 debug alert 'please acknoledge message' when launched in my browser.
Based on the fact that I am not getting any errors and I am getting one debug message, I presume that I need to somehow explicitly show/call the form or something similar?
The form does have multiple canvases, which look like they are overlayed and controlled depeding on the form interaction. Does anyone have some idea to start helping me move forward with this?

In order to run a form on your workstation using OC4J, you have to have a compatible JVM installed - typically Oracle's jInitiator, but it will work using the Microsoft JVM as well (although, not officially supported by Oracle anymore). It sounds like you have the default set to use the Microsoft JVM. If you hover your mouse over the "Gray Area" do you see the message: "Click to activate and use this Control." Have you tried to just click on the gray area to see what will happen?
If you have installed Oracle jInitiator, did you modify the "formsweb.cfg" file to specify the Browser's JVM option?
Hope this helps,
Craig...

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[/code:1:ccbd93ceb2]
And the file in the subview, named [b:ccbd93ceb2]navigationPane.jspf[/b:ccbd93ceb2] in the subfolder [b:ccbd93ceb2]/subview[/b:ccbd93ceb2] looks like this:
[code:1:ccbd93ceb2]<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<h:panelGrid width="20%" columns="1" id="navigationPane">
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[/code:1:ccbd93ceb2]
Just to be really clear, here is the dierctory structure for the relevant files:
[code:1:ccbd93ceb2]/web
|
|
|--/pages
|   |
|   |
|   |--/app
|   |   |
|   |   |
|   |   |--/subview
|   |   |   |
|   |   |   |--navigationPane.jspf
|   |   |
|   |   |
|   |   |--home.jsp
|   |
|   |
|   ...
|
...[/code:1:ccbd93ceb2]
My problem is that the subview will not display when I run the web app. In the design view I can see it just fine, but when I browse to home.jsp when running, all I get is this (from view source):
[code:1:ccbd93ceb2]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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</head>
<body>
<table width="100%"><tbody><tr><td>Hello?</td></tr>
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</tbody></table></td></tr>
<tr><td>Where's my subview?</td></tr>
</tbody></table>
</body>
</html>
<script type="text/javascript">

</script>
[/code:1:ccbd93ceb2]
Does anyone have any idea why this might not be working?
I'm really stumped!
Cheers,
   doug.

http://forum.java.sun.com/thread.jspa?messageID=3413354&#3413354

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hi
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Double-click My Computer, and then click Options on the View menu.
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Click Icon in the Registered File Types box, and then click Edit.
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Second Try this
Simple way
Copy your images to:
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c:\Oracle\Middleware\as_1\forms\java\
Notes:
- Icon files may not be supported.
- In case of a Java security issue when using gif images, you will need to create a jar file and sign it with oracles sign-tool (see below, point 6).
- In case you having trouble with oracle’s sign-tool, do it directly with java’s
Recommended way
1. Create a “icons” folder and place all your gifs in there
i.e. “c:\Oracle\Middleware\as_1\forms\java\<icons>”
2. From within icons folder make a jar file of all the gif images:
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jar -cvf frmicons.jar *.gif
3. Copy this new jar into “c:\Oracle\Middleware\as_1\forms\java\”
4. Edit/update formsweb.cfg file:
path = c:\Oracle\Middleware\user_projects\domains\<my_domain>\config\fmwconfig\servers\WLS_FORMS\applications\formsapp_11.1.1\config\formsweb.cfg …to update/include:
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# Forms applet parameter
codebase=/forms/java
# Forms applet parameter
imageBase=codebase
# Forms applet archive setting for other clients (Sun Java Plugin...etc)
archive=frmall.jar,frmicons.jar
# Forms applet archive setting for JInitiator
archive_jini=frmall_jinit.jar,frmicons.jar
5. Edit/update Registry.dat file:
path = c:\Oracle\Middleware\user_projects\domains\<my_domain>\config\fmwconfig\servers\WLS_FORMS\applications\formsapp_11.1.1\config\forms\registry\oracle\forms\registry\Registry.dat
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default.icons.iconpath=icons/
default.icons.iconextension=gif
At this point your icons should work normally, but if you get a security check of Java for gif files then proceed to the next step to fix this. TIP: May need to restart the weblogic/forms server for changes to take effect.
6. Sign your jar file with oracles sign_webutil.bat sign-tool.
path = c:\Oracle\Middleware\asinst_1\bin\sign_webutil.bat
Firstly, you need to edit the sign_webutil.bat as follows:
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SET KEYSTORE_PASSWORD=my_password
SET JAR_KEY=webutil2 # will need to change for every run
SET JAR_KEY_PASSWORD=my_password
Secondly, set the environment path and finally run the command:
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set path=c:\Oracle\Middleware\as_1\jdk\bin
cd c:\Oracle\Middleware\asinst_1\bin\
sign_webutil c:\Oracle\Middleware\as_1\forms\java\my_icons.jar
This will create your signed jar file. Once initialized from the web-app it should ask the user to “Trust” the certificate and never prompt again.
Other issues you may encounter and may need to edit/update the following files/registry entries as well:
formsweb.cfg
path = c:\Oracle\Middleware\user_projects\domains\<my_domain>\config\fmwconfig\servers\WLS_FORMS\applications\formsapp_11.1.1\config\formsweb.cfg
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# Forms applet parameter
codebase=/forms/java
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...or
# Forms applet archive setting for JInitiator
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Registry.dat
path = c:\Oracle\Middleware\user_projects\domains\<my_domain>\config\fmwconfig\servers\WLS_FORMS\applications\formsapp_11.1.1\config\forms\registry\oracle\forms\registry\Registry.dat
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default.icons.iconpath=/forms/java
default.icons.iconextension=gif
Registry entries:
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UI_ICON:<path_to_icons_dir>
UI_ICON_EXTENSION: "gif": ".gif" "ico": ".ico"
Credits and further information can be tracked for icons issue here and for jar file creation here.
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