Oracle forms 11gr2 - Forms [32 Bit] Version 11.1.2.0.0 (Production)
Operating system: windows 7
When running the demo webutil form (webutil_form.fmx) on the server the following error is pop up:

I have run the webutil configuration checks form, there was no error. The results is as below:
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System Information & Environment Variables
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java.vm.version : 19.1-b02
os.name : Windows 7
os.version : 6.1
java.class.path : C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmall.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\j2ee\frmsrv.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ldapjclnt11.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\debugger.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ewt3.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\share.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\utj.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\zrclient.jar;C:\cbris\Middleware\Oracle_FRHome1\reports\jlib\rwrun.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmwebutil.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\start_dejvm.jar;C:\cbris\Middleware\Oracle_FRHome1\opmn\lib\optic.jar;
user.dir : C:\cbris\Middleware\Oracle_FRHome1\forms
user.home : C:\Users\admin
user.language : en
, Forms Version =11.1.2.0.0
11gR2 Deployment Installation Forms Managed Server WLS_FORMS is valid.
PATH=C:\cbris\Middleware\Oracle_FRHome1\bin;C:\cbris\Middleware\Oracle_FRHome1\jdk\jre\bin\client;C:\cbris\Middleware\Oracle_FRHome1\jdk\bin
LD_LIBRARY_PATH=C:\cbris\Middleware\Oracle_FRHome1\lib;C:\cbris\Middleware\Oracle_FRHome1\lib
CLASSPATH=C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmall.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\j2ee\frmsrv.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ldapjclnt11.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\debugger.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ewt3.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\share.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\utj.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\zrclient.jar;C:\cbris\Middleware\Oracle_FRHome1\reports\jlib\rwrun.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmwebutil.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\start_dejvm.jar;C:\cbris\Middleware\Oracle_FRHome1\opmn\lib\optic.jar
ORACLE_HOME=C:\cbris\Middleware\Oracle_FRHome1
FORMS_PATH=C:\cbris\allrun;C:\cbris\Middleware\Oracle_FRHome1\forms;C:\cbris\Middleware\asinst_1\FormsComponent\forms
JAVA_HOME=C:\cbris\MIDDLE~1\JROCKI~1.0-1
ORACLE_PATH=<not defined>
TNS_ADMIN=C:\cbris\Middleware\asinst_1\config
WEBUTIL_CONFIG=C:\cbris\Middleware\asinst_1\config\FormsComponent\forms\server\webutil.cfg
LD_ASSUME_KERNEL=<not defined>
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Checking virtual directory
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Virtual directory for webutil is defined in C:\cbris\MIDDLE~1\USER_P~1\domains\CLASSI~1\deploymentplans\formsapp\11.1.2\plan.xml
Checking the webutil directory .........
The directory "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil" exists ...
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Check Forms Configuration File
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Forms Configuration File Name: C:\cbris\MIDDLE~1\USER_P~1\domains\CLASSI~1\config\fmwconfig\servers\WLS_FORMS\applications\formsapp_11.1.2\config\formsweb.cfg
Webutil Configuration Section.......
[webutil]
WebUtilArchive=frmwebutil.jar,jacob.jar
WebUtilLogging=off
WebUtilLoggingDetail=normal
WebUtilErrorMode=Alert
WebUtilDispatchMonitorInterval=5
WebUtilTrustInternal=true
WebUtilMaxTransferSize=16384
baseHTML=webutilbase.htm
baseHTMLjpi=webutiljpi.htm
archive=frmall.jar
lookAndFeel=oracle
# $Id: formsweb.cfg /main/164 2010/10/19 05:20:53 atyagi Exp $
# formsweb.cfg defines parameter values used by the FormsServlet (frmservlet)
# This section defines the Default settings. Any of them may be overridden in the
# following Named Configuration sections. If they are not overridden, then the
# values here will be used.
# The default settings comprise two types of parameters: System parameters,
# which cannot be overridden in the URL, and User Parameters, which can.
# Parameters which are not marked as System parameters are User parameters.
# SYSTEM PARAMETERS
# -----------------
# These have fixed names and give information required by the Forms
# Servlet in order to function. They cannot be specified in the URL query
# string. But they can be overridden in a named configuration (see below).
# Some parameters specify file names: if the full path is not given,
# they are assumed to be in the same directory as this file. If a path
# is given, then it should be a physical path, not a URL.
# USER PARAMETERS
# ---------------
# These match variables (e.g. %form%) in the baseHTML file. Their values
# may be overridden by specifying them in the URL query string
# (e.g. "http://myhost.example.com/forms/frmservlet?form=myform&width=700")
# or by overriding them in a specific, named configuration (see below)
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Check Webutil Environment File
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Environment File Used: default.env
PATH=
LD_LIBRARY_PATH=C:\cbris\Middleware\Oracle_FRHome1\lib;C:\cbris\Middleware\Oracle_FRHome1\lib
CLASSPATH=C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmall.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\j2ee\frmsrv.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ldapjclnt11.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\debugger.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\ewt3.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\share.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\utj.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\zrclient.jar;C:\cbris\Middleware\Oracle_FRHome1\reports\jlib\rwrun.jar;C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmwebutil.jar;C:\cbris\Middleware\Oracle_FRHome1\jlib\start_dejvm.jar;C:\cbris\Middleware\Oracle_FRHome1\opmn\lib\optic.jar
ORACLE_HOME=C:\cbris\Middleware\Oracle_FRHome1
FORMS_PATH=C:\cbris\allrun;C:\cbris\Middleware\Oracle_FRHome1\forms;C:\cbris\Middleware\asinst_1\FormsComponent\forms
JAVA_HOME=C:\cbris\MIDDLE~1\JROCKI~1.0-1
ORACLE_PATH=<not defined>
TNS_ADMIN=C:\cbris\Middleware\asinst_1\config
WEBUTIL_CONFIG=C:\cbris\Middleware\asinst_1\config\FormsComponent\forms\server\webutil.cfg
LD_ASSUME_KERNEL=<not defined>
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Check necessary files
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The library file "webutil exists in C:\cbris\allrun ...
Checking neccessary DLL files.........
Checking neccessary 32 bit DLL files.........
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win32\jacob-1.14.3-x86.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win32\ffisamp.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win32\d2kwut60.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win32\JNIsharedstubs.dll" exists ...
Checking neccessary 64 bit DLL files.........
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win64\jacob-1.14.3-x64.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win64\ffisamp.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win64\d2kwut60.dll" exists ...
The DLL file "C:\cbris\Middleware\Oracle_FRHome1\forms\webutil\win64\JNIsharedstubs.dll" exists ...
Checking neccessary JAR files .........
The JAR file "C:\cbris\Middleware\Oracle_FRHome1\forms\java\jacob.jar" exists ...
The JAR file "C:\cbris\Middleware\Oracle_FRHome1\forms\java\frmwebutil.jar" exists ...
Checking neccessary HTML files .........
The HTML file "C:\cbris\Middleware\asinst_1\config\FormsComponent\forms\server\webutilbase.htm" exists ...
The HTML file "C:\cbris\Middleware\asinst_1\config\FormsComponent\forms\server\webutiljpi.htm" exists ...
WARNING! "rt.jar" not found in the CLASSPATH. This file can be found in ORACLE_HOME/jdk/jre/lib
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Checking webutil configuration file
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The webutil configuration file "C:\cbris\Middleware\asinst_1\config\FormsComponent\forms\server\webutil.cfg" exists ...
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Checking ffisamp.dll settings
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The library ffisamp.dll is defined "install.syslib.0.0.user.1=ffisamp.dll|40960|1.0|true"..... passed
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Check Upload / Download options
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Transfer Work Area :
Database Transfer is Enabled
Application Server Transfer is Enabled
Application Server Access Control is Disabled
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S U M M A R Y
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0 Error(s)
Found 1 Warning(s)
(1) WARNING! "rt.jar" not found in the CLASSPATH. This file can be found in ORACLE_HOME/jdk/jre/lib
Thanks and regards,