User.region configuration JDeveloper 10g

How can I change user.region (in About) in JDeveloper 10g?
I want to change it because I want to use comma instead of period for decimal point.
So I guess user.region must be defined to my country and not to <not assigned> (that is right now.)
I tryed using <% System.setProperty("user.region","PT"); %> but I want the change to be permanent.
Thanks in advance!

Hi,
Please check below steps:
1)Check server folder is available or not in jdevhome\jdev\myprojects\oracle\apps\fnd
2)if yes then open jdeveloper right click on project.jpr-->select project content-->click on add button-->and select Myproject folder in Folder tree and click Ok.restart jdeveloper and check server folder should display under Oracle.apps.fnd.
if above steps not worked use below link for jdeveloper setup.
https://www.dropbox.com/s/nyptz6tfq63w03k/JDeveloper%20Installation%20Steps.docx
Thanks
Dilip

Similar Messages

HOWTO: Configure JDeveloper for Power Users

< !doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Author" content="JDeveloper Product Management">
<meta name="GENERATOR" content="Mozilla/4.72 [en] (WinNT; I) [Netscape]">
<meta name="Description" content="Configuring JDeveloper for the Power User">
<title>Configuring JDeveloper for the Power User</title>
</head>
<body>
<center>
<h2>
HOWTO: Configure JDeveloper for Power Users</h2></center>
<hr WIDTH="100%">
The default JDeveloper installation installs many components, however,
it does not create easily accessible menus and shortcuts that many power
users need.
The common configuration problems that developers often face, but may
not know how to fix include:
<ul>
Quickly Launching JDeveloper</li>
Invoking the JDeveloper Help system (without running JDeveloper)</li>
Adding external tools to JDeveloper's Tools menu</li>
Editing JDeveloper Configuration files</li>
</ul>
This document explains how to perform the above tasks, and hopefully, you
will learn how simple customizing your Windows &; JDeveloper environment
can be.
<center>
<h2>
<hr WIDTH="100%"></h2></center>
<h2>
Introduction</h2>
This document contains instructions for configuring JDeveloper for the
power user.
The following instructions lead you through the steps necessary to:
<ul>
Add links to key JDeveloper configuration files from the windows start
menu. This makes it simpler to change JDeveloper's behavior.</li>
Create Short cut menus to JDeveloper Help system</li>
<img SRC="PowerUser_StartMenu.JPG" height=89 width=332>
Create a Quick Launch menu to JDeveloper</li>
<img SRC="PowerUser_QuickLaunch.JPG" height=27 width=309>
Add key utilities to the JDeveloper Tools menu. This makes your favorite
utilities just a menu away from within JDeveloper.</li>
<img SRC="PowerUser_ToolsMenu.JPG" height=351 width=214>
Enable the JDeveloper Console window. This allows you to see the
results of statements such as System.out.println( "message" ).</li>
Let you understand how easy customizing various aspects can be</li>
</ul>
<h2>
<hr WIDTH="100%"></h2>
<h2>
Detailed Instructions</h2>
1. If you have not previously executed JDeveloper, Run JDeveloper once
and exit.
This creates the initial JDeveloper.ini
2. Create links to JDeveloper's key files.
<blockquote>Right click on the Windows Start menu
Select Explore All Users to launch an Explorer window
We will refer to this as Explorer Window #2 because it has 2 panes
(left &; right)
Note: This directory structure is also used by the Windows Start menu,
thus adding folders here is the same as adding menu items to the Start
menu decedents, Adding folders here is the same as adding sub-menus!
In the right hand pane of Explorer Window #2, double click on Programs.
Double click on the Oracle JDeveloper Folder.
Select menu File | New / Folder to create a new folder.
Name the folder, Customize
Right click on the JDeveloper icon (either one)
Select the Properties menu to launch the JDeveloper
properties dialog,
<blockquote>Switch to the Shortcut Tab.
Copy the path portion of the Target string (exclude JDeveloper.exe)
into the clipboard (Select + Ctrl-C )
Cancel the Properties dialog</blockquote>
Press windows Start | Run... menu
Paste clipboard contents (Ctrl+V) in the open line.
Press OK to create an Explorer window.
We will refer to this as Explorer Window #1 because it has 1 pane.
Note that Explorer Window #1 is focused on your JDeveloper bin
directory.
Next we will create shortcuts to key JDeveloper files which are directly
accessible from your windows start menu.
Situate the two explorer windows so they do not overlap (shrink window
size if necessary)
We will be dragging from Explorer Window #1 to Explorer Window #2.
// Create Shortcut to JDeveloper.ini inside of Customize folder/menu.
In Explorer Window #2, Double click on Customize folder
In Explorer window #1, find and select JDeveloper.ini.
***Important: Right Click
and Drag JDeveloper.ini from Explorer Window #1 and right-drag to Explorer
Window #2 and release the right mouse button in the right pane.
Then a small context menu appears, select the menu item Create
Shortcut(s) Here
This created a shortcut to JDeveloper.ini.
// Create Shortcut to Tools.cfg inside of Customize folder/menu.
Lets repeat the process for Tools.cfg
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Navigate to LIB dir
In Explorer Window #1, lets navigate one directory level up by pressing
the Folder UP arrow icon.
Now Double click on the LIB directory Folder.
// Create Shortcut to JDeveloper.properties inside of Customize folder/menu.
Lets repeat the process for JDeveloper.properties.
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Create Shortcut to JBO.properties inside of Customize folder/menu.
[Optional] Lets repeat the process for JBO.properties.
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Navigate to DOC dir
In Explorer Window #1, lets navigate one directory level up by pressing
the Folder UP arrow icon.
Now Double click on the Doc directory Folder.
In Explorer Window #2, lets navigate one directory level up by pressing
the Folder UP arrow icon. This places us in the folder where the JDeveloper
shortcut is.
// Create Shortcut to JDeveloper.chm inside of JDeveloper folder/menu.
Lets repeat the process for JDeveloper.chm
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Create Quick Launch Shortcut to JDeveloper.
If you do not have the Windows Quick Launch Menu enabled, Right click
on your Task bar, but not on any icons and Select Menu ToolBars | Quick
Launch to display Quick Launch Menu
Now Select JDeveloper from Explorer Window #1 and Right click-drag
to the Quick Launch Area (on windows Task Bar) and choose Create Shortcut(s)
Here.
This creates a Quick Launch icon for launching JDeveloper from the
Quick Launch area.
To verify everything is OK, you can now select the Window Start menu
| Programs | Oracle JDeveloper... and you should see links to all the new
files we just added.
When everything is as you like, close both explorer windows.</blockquote>
3. Enable JDeveloper's output console window
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
JDeveloper.ini
If windows asks you what to use to edit this file choose Write.
Search for LogConsole=0 and change it to LogConsole=1
Save the file and exit the editor.
This Console window is very important for Advanced programmers because
they can see various output including exceptions during their IDE interaction,
Addin processing.</blockquote>
4. Add more tools to JDeveloper's Tools menu
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
Tools.CFG
If windows asks you what to use to edit this file, choose Write.
Add the following lines to the END of your Tools.cfg file.
***Important: Be sure to make
appropriate path changes suitable for your environment.
Note: You may want to add your own favorite tools to this file for
invocation from JDeveloper.
<table BORDER COLS=1 WIDTH="80%" >
<tr>
<td>## Shortcut to Netscape
Browser on current node (HTML, gif, etc)
Navigator <Current
Node>
"C:\Program Files\Netscape\Com municator\Program\netscape.exe"
.
$NodeName
## Shortcut to Netscape
Composer on current node (HTML, gif, etc)
## Note: Due to netscape
modal issue, drag the node to netscape.
Composer <Current
Node>
"C:\Program Files\Netscape\Communicator\Program\netscape.exe
-edit"
.
$NodeName
## Shortcut to editing
Tools.cfg
Edit Tools.cfg
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\Tools.cfg
## Shortcut to editing
Gallery.ini
Edit Gallery.ini
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\Gallery.ini
## Shortcut to editing
JDeveloper.ini
Edit JDeveloper.ini
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\JDeveloper.ini
## Shortcut to editing
JDeveloper.properties
Edit JDeveloper.properties
C:\WINNT\system32\Write.exe
.
D:\jd3\lib\JDeveloper.properties</td>
</tr>
</table>
Save the file and exit the editor.</blockquote>
5. [Optional] To view the output of JDeveloper Addins as they are loaded,
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
JDeveloper.properties
If windows asks you what to use to edit this file, choose Write.
Search for jdeveloper.logOutput= line and change it to end with
a dash
jdeveloper.logOutput=-
Save the file and exit the editor.
This will place trace like statements invoked with Addin handling into
the Console window.
This is also the file which you will edit to add your Addin files to
JDeveloper.</blockquote>
6. Start Developing with JDeveloper.
<blockquote>Your new shortcuts can make launching JDeveloper, JDeveloper
help files, external utilities, and configuring JDeveloper super easy.</blockquote>
<h2>
<hr WIDTH="100%"></h2>
<h2>
Summary</h2>
<blockquote>With the above configuration changes and the concepts understood,
there is no end to your levels of customization that you may perform.
These represent but a few of the customizations that you can perform to
make your day more productive.</blockquote>
Please send corrections and suggestions to [EMAIL][email protected][EMAIL]
</body>
</html>
null

<BLOCKQUOTE>quote:<HR>Originally posted by John Jannatpour ([email protected]):
< !doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Author" content="JDeveloper Product Management">
<meta name="GENERATOR" content="Mozilla/4.72 [en] (WinNT; I) [Netscape]">
<meta name="Description" content="Configuring JDeveloper for the Power User">
<title>Configuring JDeveloper for the Power User</title>
</head>
<body>
<center>
<h2>
HOWTO: Configure JDeveloper for Power Users</h2></center>
<hr WIDTH="100%">
The default JDeveloper installation installs many components, however,
it does not create easily accessible menus and shortcuts that many power
users need.
The common configuration problems that developers often face, but may
not know how to fix include:
<ul>
Quickly Launching JDeveloper</li>
Invoking the JDeveloper Help system (without running JDeveloper)</li>
Adding external tools to JDeveloper's Tools menu</li>
Editing JDeveloper Configuration files</li>
</ul>
This document explains how to perform the above tasks, and hopefully, you
will learn how simple customizing your Windows & JDeveloper environment
can be.
<center>
<h2>
<hr WIDTH="100%"></h2></center>
<h2>
Introduction</h2>
This document contains instructions for configuring JDeveloper for the
power user.
The following instructions lead you through the steps necessary to:
<ul>
Add links to key JDeveloper configuration files from the windows start
menu. This makes it simpler to change JDeveloper's behavior.</li>
Create Short cut menus to JDeveloper Help system</li>
<img SRC="PowerUser_StartMenu.JPG" height=89 width=332>
Create a Quick Launch menu to JDeveloper</li>
<img SRC="PowerUser_QuickLaunch.JPG" height=27 width=309>
Add key utilities to the JDeveloper Tools menu. This makes your favorite
utilities just a menu away from within JDeveloper.</li>
<img SRC="PowerUser_ToolsMenu.JPG" height=351 width=214>
Enable the JDeveloper Console window. This allows you to see the
results of statements such as System.out.println( "message" ).</li>
Let you understand how easy customizing various aspects can be</li>
</ul>
<h2>
<hr WIDTH="100%"></h2>
<h2>
Detailed Instructions</h2>
1. If you have not previously executed JDeveloper, Run JDeveloper once
and exit.
This creates the initial JDeveloper.ini
2. Create links to JDeveloper's key files.
<blockquote>Right click on the Windows Start menu
Select [b]Explore All Users to launch an Explorer window
We will refer to this as Explorer Window #2 because it has 2 panes
(left & right)
Note: This directory structure is also used by the Windows Start menu,
thus adding folders here is the same as adding menu items to the Start
menu decedents, Adding folders here is the same as adding sub-menus!
In the right hand pane of Explorer Window #2, double click on Programs.
Double click on the Oracle JDeveloper Folder.
Select menu File | New / Folder to create a new folder.
Name the folder, Customize
Right click on the JDeveloper icon (either one)
Select the Properties menu to launch the JDeveloper
properties dialog,
<blockquote>Switch to the Shortcut Tab.
Copy the path portion of the Target string (exclude JDeveloper.exe)
into the clipboard (Select + Ctrl-C )
Cancel the Properties dialog</blockquote>
Press windows Start | Run... menu
Paste clipboard contents (Ctrl+V) in the open line.
Press OK to create an Explorer window.
We will refer to this as Explorer Window #1 because it has 1 pane.
Note that Explorer Window #1 is focused on your JDeveloper bin
directory.
Next we will create shortcuts to key JDeveloper files which are directly
accessible from your windows start menu.
Situate the two explorer windows so they do not overlap (shrink window
size if necessary)
We will be dragging from Explorer Window #1 to Explorer Window #2.
// Create Shortcut to JDeveloper.ini inside of Customize folder/menu.
In Explorer Window #2, Double click on Customize folder
In Explorer window #1, find and select JDeveloper.ini.
***Important: Right Click
and Drag JDeveloper.ini from Explorer Window #1 and right-drag to Explorer
Window #2 and release the right mouse button in the right pane.
Then a small context menu appears, select the menu item Create
Shortcut(s) Here
This created a shortcut to JDeveloper.ini.
// Create Shortcut to Tools.cfg inside of Customize folder/menu.
Lets repeat the process for Tools.cfg
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Navigate to LIB dir
In Explorer Window #1, lets navigate one directory level up by pressing
the Folder UP arrow icon.
Now Double click on the LIB directory Folder.
// Create Shortcut to JDeveloper.properties inside of Customize folder/menu.
Lets repeat the process for JDeveloper.properties.
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Create Shortcut to JBO.properties inside of Customize folder/menu.
[Optional] Lets repeat the process for JBO.properties.
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Navigate to DOC dir
In Explorer Window #1, lets navigate one directory level up by pressing
the Folder UP arrow icon.
Now Double click on the Doc directory Folder.
In Explorer Window #2, lets navigate one directory level up by pressing
the Folder UP arrow icon. This places us in the folder where the JDeveloper
shortcut is.
// Create Shortcut to JDeveloper.chm inside of JDeveloper folder/menu.
Lets repeat the process for JDeveloper.chm
Right click-drag from Explorer window #1 to Explorer Window #2 and
choose Create Shortcut(s) Here.
// Create Quick Launch Shortcut to JDeveloper.
If you do not have the Windows Quick Launch Menu enabled, Right click
on your Task bar, but not on any icons and Select Menu ToolBars | Quick
Launch to display Quick Launch Menu
Now Select JDeveloper from Explorer Window #1 and Right click-drag
to the Quick Launch Area (on windows Task Bar) and choose Create Shortcut(s)
Here.
This creates a Quick Launch icon for launching JDeveloper from the
Quick Launch area.
To verify everything is OK, you can now select the Window Start menu
| Programs | Oracle JDeveloper... and you should see links to all the new
files we just added.
When everything is as you like, close both explorer windows.</blockquote>
3. Enable JDeveloper's output console window
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
JDeveloper.ini
If windows asks you what to use to edit this file choose Write.
Search for LogConsole=0 and change it to LogConsole=1
Save the file and exit the editor.
This Console window is very important for Advanced programmers because
they can see various output including exceptions during their IDE interaction,
Addin processing.</blockquote>
4. Add more tools to JDeveloper's Tools menu
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
Tools.CFG
If windows asks you what to use to edit this file, choose Write.
Add the following lines to the END of your Tools.cfg file.
***Important: Be sure to make
appropriate path changes suitable for your environment.
Note: You may want to add your own favorite tools to this file for
invocation from JDeveloper.
<table BORDER COLS=1 WIDTH="80%" >
<tr>
<td>## Shortcut to Netscape
Browser on current node (HTML, gif, etc)
Navigator <Current
Node>
"C:\Program Files\Netscape\Communicator\Program\netscape.exe"
.
$NodeName
## Shortcut to Netscape
Composer on current node (HTML, gif, etc)
## Note: Due to netscape
modal issue, drag the node to netscape.
Composer <Current
Node>
"C:\Program Files\Netscape\Communicator\Program\netscape.exe
-edit"
.
$NodeName
## Shortcut to editing
Tools.cfg
Edit Tools.cfg
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\Tools.cfg
## Shortcut to editing
Gallery.ini
Edit Gallery.ini
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\Gallery.ini
## Shortcut to editing
JDeveloper.ini
Edit JDeveloper.ini
C:\WINNT\system32\Write.exe
.
D:\jd3\bin\JDeveloper.ini
## Shortcut to editing
JDeveloper.properties
Edit JDeveloper.properties
C:\WINNT\system32\Write.exe
.
D:\jd3\lib\JDeveloper.properties</td>
</tr>
</table>
Save the file and exit the editor.</blockquote>
5. [Optional] To view the output of JDeveloper Addins as they are loaded,
<blockquote>Select Windows Start menu | Programs | Oracle JDeveloper |
JDeveloper.properties
If windows asks you what to use to edit this file, choose Write.
Search for jdeveloper.logOutput= line and change it to end with
a dash
jdeveloper.logOutput=-
Save the file and exit the editor.
This will place trace like statements invoked with Addin handling into
the Console window.
This is also the file which you will edit to add your Addin files to
JDeveloper.</blockquote>
6. Start Developing with JDeveloper.
<blockquote>Your new shortcuts can make launching JDeveloper, JDeveloper
help files, external utilities, and configuring JDeveloper super easy.</blockquote>
<h2>
<hr WIDTH="100%"></h2>
<h2>
Summary</h2>
<blockquote>With the above configuration changes and the concepts understood,
there is no end to your levels of customization that you may perform.
These represent but a few of the customizations that you can perform to
make your day more productive.</blockquote>
Please send corrections and suggestions to [EMAIL][email protected][EMAIL]
</body>
</html><HR></BLOCKQUOTE>
null

JDeveloper 10g and ClearCase

I tried to configure JDeveloper 10g to use the ClearCase versioning tool and received the following message:
Warning: A supported ClearCase version has not been detected in your system environment path.
I checked the PATH env and ClearCase is there.
The JDev Help docs state that ClearCase 2002/4.0 is supported. Our Rational suite is 2003.
I'd like to know if the final release of JDev 10g will support the 2003 version. This is critical, we are planning to upgrade to JDev10g to take advantage of new features and we are not able to use Rational 2002 anymore, mainly because Rational now only supports the 2003 suite.
We'd like to know what's planned for 10g regarding this issue.
Thanks a lot !
Juarez Junior
System Analyst - SCPJ2/SCWCD/SCBCD
Unisys Global Outsourcing

Brian - you are right. I was able to create a workarea inside a ClearCase view, and immediately JDeveloper began offering an option to add objects to version control. I still get the "Warning" every time I start up JDeveloper, and that is annoying, but it is only a warning and everything works anyway.
Thank you.

How to configure JMS queue on OC4J server. Development in JDeveloper 10G

Hi there,
I have to configure a JMS for an Asynchronous process in my Application which will be running in Oracle 10G Application Server. Development Environment is Oracle JDeveloper 10G.
I am facing a problem on how to configure JMS queue.
Steps Followed are:
in the <JDevloperHome>/j2ee/home/config
1. Made the new queue and connection factory's JMS entry in jms.xml.
2. Specifed the queue in oc4j-connectors.xml.
3. played around with application.xml
and tried all combinations, but the message producer always failed to lookup the queue.
Need help on the steps to follow so that the producer can post the message in the queue.
Also please help how to configure the MDB to listen to the queue.
Thanx and Regards
Subham

If you were dealing with Oracle 10g app server as opposed to standalone, I might be better able to help you.
One thing though, when you are configuring your MDB in the orion-ejb-jar.xml file, do not forget to specify attribute listener-threads, otherwise no matter how many beans you have in your MDB pool, only one bean will be listening to the queue. Many listener-threads equal to max number of beans in pool.

Mail Session configuration with embedded oc4j in jdeveloper 10g 10.1.3.1

Hello all:
I'd tried to use javamail in a j2ee application. I´d defined an resource reference with the EJB Module Editor but when i run the application it throws:
java.lang.InstantiationException: Error initializing ejb-modules: No Mail Session configured for the resource MailSession
How can i configure a Mail Session with the embedded oc4j of jdeveloper 10g 10.1.3.1?
Thanks a lot.

Hi,
You need to add following configuration in $ORACLE_HOME/j2ee/home/config/application.xml & restart your OC4J :-
<mail-session location="EMailSession" smtp-host="mail.cdsc.com"> <property name="mail.transport.protocol" value="smtp"/> <property name="mail.debug" value="true"/> </mail-session>Regards,
Sandeep

[PM] Looking for JDeveloper 10g preview users

The JDeveloper Product Management team is looking for people who are currently using the preview version of Oracle JDeveloper 10g to develop their soon to be production applications.
We want to get your feedback on a some questions.
If you are using JDeveloper 10g Preview to develop what would become a production application please email us at:
Jdeveloperbeta_us@ oracle.com , with the subject: Currently Using JDeveloper 10g.
Thanks,
Shay.
Oracle Corporation.

I am using JD 10g!
I am following the steps to the tutorial: Developing J2EE application using EJB, Struts, JSP and ADF Databinding.
JD10g does not bring up the New Gallery as the step labeled: Reverse engineer tables as CMP beans instructs.
How can I can if my install in correct?
How can I solve this issue?
Thanks
Patrick

Failure to connect JDeveloper 10g to Oracle Database Expres Edition.

Hi, i working with Oracle JDeveloper 10.1.3 and Oracle Database 10g Express Edition. CONNECT to Oracle Database XE from Jdeveloper Wizards using JDBC/Thin, generate the next error messge:
ORA-0064: error ocurred at recursive SQL level 1.
ORA-12705:Cannot access NLS datafile or invalid environmment specified.
Vendor code: 604.
, but connect to using ODBC work Ok.
If run the application display:
17002:Exception of E/S: SO: Exception was generated.
Roberto.

Hi Roberto,
this issue can be caused by language incompatibility between JDeveloper language (client language) and database language.
To check the language of the database, execute the following SQL statement from the DB:
select * from nls_database_parameters;To check the JDeveloper language:
Select menu Help --> About in JDev, and see the values for:
user.language, user.region.
Are they the same ?
If not,
1. Edit <JDev_Home>/jdev/bin/jdev.conf file.
2. Add the following parameters:
AddVMOption -Duser.language=...
AddVMOption -Duser.region=...
with the values for language and region, f.ex. en and US respectively
3. Restart JDeveloper and re-test the connection.
Hope this helps,
Didier.

Getting HTTP 500 Internal Server Error in JDeveloper 10g Release 3

Hello,
I had run a web page of JSF a month ago with no issues from the server. Now however whnever I try running any page from the IDE, I keep getting following message in the log:
[i]Mar 1, 2008 10:06:25 AM com.evermind.server.ApplicationStateRunning initConnector
SEVERE: Stack trace: oracle.oc4j.sql.DataSourceException: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
 at com.evermind.server.ApplicationStateRunning.initDataSourceConnectionPool(ApplicationStateRunning.java:2016)
 at com.evermind.server.ApplicationStateRunning.initDataSourceConnector(ApplicationStateRunning.java:1961)
 at com.evermind.server.ApplicationStateRunning.initConnector(ApplicationStateRunning.java:1220)
 at com.evermind.server.ApplicationStateRunning.initConnectors(ApplicationStateRunning.java:356)
 at com.evermind.server.ApplicationStateRunning.initializeApplication(ApplicationStateRunning.java:208)
 at com.evermind.server.Application.setConfig(Application.java:391)
 at com.evermind.server.Application.setConfig(Application.java:309)
 at com.evermind.server.ApplicationServer.addApplication(ApplicationServer.java:1771)
 at com.evermind.server.ApplicationServer.initializeDeployedApplications(ApplicationServer.java:1532)
 at com.evermind.server.ApplicationServer.setConfig(ApplicationServer.java:939)
 at com.evermind.server.OC4JRestarter.run(OC4JRestarter.java:35)
 at java.lang.Thread.run(Thread.java:595)
Caused by: javax.resource.ResourceException: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
 at oracle.oc4j.sql.spi.ResourceAdapterImpl.createDataSourceConnectionPool(ResourceAdapterImpl.java:106)
 at oracle.oc4j.sql.DataSourceUtils.getDataSourceConnectionPool(DataSourceUtils.java:322)
 at com.evermind.server.ApplicationStateRunning.initDataSourceConnectionPool(ApplicationStateRunning.java:1997)
 ... 11 more
Caused by: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
 at oracle.oc4j.sql.config.DataSourceConfigUtils.createConnectionFactory(DataSourceConfigUtils.java:247)
 at oracle.oc4j.sql.DataSourceConnectionPoolImpl.<init>(DataSourceConnectionPoolImpl.java:107)
 at oracle.oc4j.sql.spi.ResourceAdapterImpl.createDataSourceConnectionPool(ResourceAdapterImpl.java:99)
 ... 13 more
Caused by: oracle.classloader.util.AnnotatedClassNotFoundException:
 Missing class: com.mysql.jdbc.Driver
 Dependent class: oracle.oc4j.sql.config.DataSourceConfigUtils
 Loader: oc4j:10.1.3
 Code-Source: /C:/Program Files/j2ee/home/lib/oc4j-internal.jar
 Configuration: <code-source> in META-INF/boot.xml in C:\Program Files\j2ee\home\oc4j.jar
This load was initiated at current-workspace-app.root:0.0.0 using the Class.forName() method.
The missing class is not available from any code-source or loader in the system.
 at oracle.classloader.PolicyClassLoader.handleClassNotFound(PolicyClassLoader.java:2061)
 at oracle.classloader.PolicyClassLoader.internalLoadClass(PolicyClassLoader.java:1665)
 at oracle.classloader.PolicyClassLoader.loadClass(PolicyClassLoader.java:1621)
 at oracle.classloader.PolicyClassLoader.loadClass(PolicyClassLoader.java:1606)
 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:242)
 at oracle.oc4j.sql.config.DataSourceConfigUtils.createConnectionFactory(DataSourceConfigUtils.java:244)
 ... 15 more
08/03/01 10:06:25 WARNING: Application.setConfig Application: current-workspace-app is in failed state as initialization failedjava.lang.InstantiationException: Error occurred initializing connectors. Exception is: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
Mar 1, 2008 10:06:25 AM com.evermind.server.Application setConfig
WARNING: Application: current-workspace-app is in failed state as initialization failedjava.lang.InstantiationException: Error occurred initializing connectors. Exception is: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
2008-03-01 10:06:25.109 WARNING J2EE 0JR0013 Exception initializing deployed application: current-workspace-app. Error occurred initializing connectors. Exception is: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.mysql.jdbc.Driver
Ready message received from Oc4jNotifier.
Embedded OC4J startup time: 22578 ms.
Target URL -- http://192.168.1.2:8989/AVTproject-ViewController-context-root/faces/HomeLogin.jspx
[Another instance of the server is still running. JDeveloper will shut it down and then restart the server.]
Process exited.
**** Server startup cancelled by the user.
I finally deleted the MYSQL Database connection to the application. Still it doesnt work. Please help me as I really cant track why this is so.

Hello,
Thank You very much for the solution. I had uninstalled the previous JDeveloper 10g installation and installed a new instance of the same. After which it worked without much of a problem.
However, my application requires to use MySQL database, so how do I tackle such an error. What was wrong with the connection? I mean MySQL instance seemed to work fine. Is there any version with which JDeveloper can work? Right now am using MySQL 5.0.? Please do advise.

Jdeveloper 10g UI not starting.

Hi All,
I'm a new user of jdeveloper and using 10g.
This is the problem which is happening everytime I start it second time after fresh installation. It works fine for the first time and shows problem and never loads in the subsequent attempts.
I have installed it in E directory following is the path of .exe file which I run E:\Jdev10g\jdev\bin\jdev.exe
Following is the logs which I have got from command window---
java.lang.NullPointerException
at javax.swing.border.EmptyBorder.<init>(EmptyBorder.java:54)
at com.sun.java.swing.plaf.windows.WindowsTableHeaderUI$XPDefaultRendere
r.getTableCellRendererComponent(WindowsTableHeaderUI.java:63)
at javax.swing.plaf.basic.BasicTableHeaderUI.getHeaderRenderer(BasicTabl
eHeaderUI.java:394)
at javax.swing.plaf.basic.BasicTableHeaderUI.getHeaderHeight(BasicTableH
eaderUI.java:428)
at javax.swing.plaf.basic.BasicTableHeaderUI.createHeaderSize(BasicTable
HeaderUI.java:454)
at javax.swing.plaf.basic.BasicTableHeaderUI.getPreferredSize(BasicTable
HeaderUI.java:485)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1275)
at javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:75
at java.awt.Container.preferredSize(Container.java:1178)
at java.awt.Container.getPreferredSize(Container.java:1162)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1277)
at javax.swing.ScrollPaneLayout.preferredLayoutSize(ScrollPaneLayout.jav
a:507)
at java.awt.Container.preferredSize(Container.java:1178)
at java.awt.Container.getPreferredSize(Container.java:1162)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1277)
at java.awt.BorderLayout.preferredLayoutSize(BorderLayout.java:572)
at java.awt.Container.preferredSize(Container.java:1178)
at java.awt.Container.getPreferredSize(Container.java:1162)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1277)
at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.
getPreferredSizeOfComponent(BasicSplitPaneUI.java:1770)
at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.
getPreferredSizes(BasicSplitPaneUI.java:2003)
at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.
resetToPreferredSizes(BasicSplitPaneUI.java:2040)
at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.
layoutContainer(BasicSplitPaneUI.java:1470)
at java.awt.Container.layout(Container.java:1020)
at java.awt.Container.doLayout(Container.java:1010)
at java.awt.Container.validateTree(Container.java:1092)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validateTree(Container.java:1099)
at java.awt.Container.validate(Container.java:1067)
at java.awt.Window.show(Window.java:461)
at java.awt.Component.show(Component.java:1133)
at java.awt.Component.setVisible(Component.java:1088)
at oracle.ideimpl.MainWindowImpl$11.run(MainWindowImpl.java:718)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
System configuration is "Intel core-2-duo" with 2 gb memory.
after this it hangs and never loads...please suggest solution for this..I'm quite fed up of this.

See if these old posts help-
cannot start JDeveloper 10g: nullpointer exception
http://programming.itags.org/development-tools/17231/

Samples don't work under Oracle 10g w JDeveloper 10g

I have downloaded and attempted to use 3 different samples, and not a single one of them works properly without modification. These were all developed a couple of years ago, probably tested under earlier versions, but do not work under the most current. Does Oracle have any plans to update these samples to work with the most current products, or would the company rather leave its customers frustrated?
For reference, I am running Oracle 10g (version 10.2.0.1.0) on a Windows 2000 workstation. I'm simply trying to set up a demo application, so I haven't put it on a more powerful server as of yet. I am using JDeveloper 10g (version 10.1.2.1.0 build 1913). The three samples which I have tried to use are:
Oracle Label Security - Illustrating Ols Function API
Oracle9i JDBC Sample OCI Connection Pooling and Middle-Tier Authentication Sample
Oracle Connection Cache Sample Application
The OLS sample does not even compile properly if not modified. It is necessary to add "jsp:useBean" declarations in order to get past the compiler errors. The documentation for this is also in error. The text describing the application indicates that Figure 3 will show the details for EMP_OPN (the same as for Figure 2), but the actual figure shows the deatils for EMP_RESCH. Thus the resulting discussion and the figures do not match. At least I could finally get this application to work.
The other two I have not yet figured out the proper drivers or calling sequence. The drivers that work for the first application do not work for the latter two, or the calling sequence are wrong. I get lots of connection errors, loader errors, and others. I am about ready to give up on using the samples, as so far they have wasted more of my time than they have helped.
All I want to achieve is a demo that shows a database that uses connection sharing or pooling (for performance reasons), does middle-tier authentication, allows the application set a user context and then make database queries, having OLS enforce the access control policy based on the user context (vs. the user used for the shared connections). If there is other sample code that demonstrates this that works under the configuration described above, I would most greatly appreciate knowing about it, or receiving such sample code via email.

Firstly, XE 10.2.0.1 isn't the same as 10gR2 10.2.0.1
It was released a bit later and had some fixes that were in later 10.2.0.x patchsets (and also had some different security settings). Maybe they should have gone with 10.2.1.1.
Second, the embedded PL/SQL gateway was okay for XE, but isn't supported for Apex on the Standard/Enterprise Edition until 11g. It doesn't mean it never works, but it does mean that you shouldn't rely on it.
That said, there are other issues with 10.2.0.1 so I'd recommend going for the latest patchset anyway.
Thirdly, if you get the XDB login dialog box, something has gone wrong. For the embedded PL/SQL gateway, XDB is acting as a virtual webserver. Generally what should happen is you connect to the webserver (XDB) and request a page (the APEX login page) and XDB should give it to you, no questions asked.
If it asks you to login then the XDB webserver is running but is trying to get authorisation before it gives you the page. [By the way, if it does prompt for a username/password, it is expecting a database username/password, not an apex one or an O/S one] I'd suspect something is wrong with the setup.
What happens if you ask for a simple image like
http://URAN:8080/i/bottom_left.gif

How to configure Oracle 10g to use 4GB memory

I'm trying to configure Oracle 10g to use >4GB memory. Have configured server boot.ini with required flags (/3GB /PAE). Rebooted server then created standard database, then connected to db instance and changed oracle parameters DB_BLOCK_BUFFERS, USE_INDIRECT_DATA_BUFFERS as required. Restarted DB instance, DB fails to restarted with SGA memory error. According to oracle user docs the SGA is nolonger in effect due to previous settings. Can you provide example of SPFILE with parameters settings that do work and use >4GB memory. Current server has 8GB, 2 x Dual XEON core/processors (i.e. 8 processors)

The recommended /3GB switches in the boot.ini file can only be used with the following operating systems editions (KB article 291988):
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Data Center Server
Microsoft Windows Server 2003, Enterprise Edition
Microsoft Windows Server 2003, Data Center Edition
Microsoft Windows Small Business Server 2003
Important: Windows 2000 and 2003 Server Standard Editions DO NOT SUPPORT /3GB Switch.
So if your OS is listed above, then you cannot have a larger SGA.

How to configure Oracle 10g Advanced Security to use SSL concurrently with

How to configure Oracle 10g Advanced Security to use SSL concurrently with database User names and passwords
In Oracle Advanced Security Documentation it is mentioned that i can use SSL concurrently with DB user names and passwords. But when i configure the client certificate on the client my DB connection is getting authenticated using the certificate, which out passing user id or password.
We want to connect to Oracle DB over SSL channel so that the data packets are not in clear text. Also we want the user to make a connection using user id and password.
Basically we want SSL with out authentication.
Need your expert advice

Read the documentation (I have given following links assuming you are running a 32 bit architecture)
Server installations:
http://www.oracle.com/pls/db102/to_toc?pathname=install.102%2Fb14316%2Ftoc.htm&remark=portal+%28Books%29
Client installations:
http://www.oracle.com/pls/db102/to_toc?pathname=install.102%2Fb14312%2Ftoc.htm&remark=portal+%28Books%29
You can find the required books (if not using 32 bit architecture) from
http://www.oracle.com/pls/db102/portal.portal_db?selected=3

Error while running OA Framework (HelloWorld.jpr) in Jdeveloper 10g

Hi all,
I have a created sample HelloWorld Page thru Jdeveloper 10g with OA Extension on R12 Instance. I am running to following error when I run the page from Jdeveloper 10g. Can you please help me out in resolving this issue?
I would really appreciate your help. Thx
java.lang.ExceptionInInitializerError at oracle.apps.fnd.common.WebRequestUtil.validateContextPrivate(WebRequestUtil.java:439) at oracle.apps.fnd.common.WebRequestUtil.validateContext(WebRequestUtil.java:322) at oracle.apps.fnd.common.WebRequestUtil.validateContext(WebRequestUtil.java:225) at OAErrorPage.jspService(_OAErrorPage.java:62) [OAErrorPage.jsp] at com.orionserver[Oracle Containers for J2EE 10g (10.1.3.3.0) ].http.OrionHttpJspPage.service(OrionHttpJspPage.java:59) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:259) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:51) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:193) at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:283) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:198) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.EvermindPageContext.handlePageThrowable(EvermindPageContext.java:847) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.EvermindPageContext.handlePageException(EvermindPageContext.java:813) at runregion.jspService(_runregion.java:193) [runregion.jsp] at com.orionserver[Oracle Containers for J2EE 10g (10.1.3.3.0) ].http.OrionHttpJspPage.service(OrionHttpJspPage.java:59) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:122) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:111) at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260) at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239) at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34) at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880) at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:298) at java.lang.Thread.run(Thread.java:595)Caused by: java.lang.IllegalArgumentException: WebAppsContext.getJDBCConnection() == null at oracle.apps.fnd.functionSecurity.FunctionSecurity.init(FunctionSecurity.java:1602) at oracle.apps.fnd.functionSecurity.FunctionSecurity.<init>(FunctionSecurity.java:188) at oracle.apps.fnd.sso.SSOUtil.getLocalPwdChangeUrl(SSOUtil.java:709) at oracle.apps.fnd.sso.SSOUtil.getLocalPwdChangeUrl(SSOUtil.java:765) at oracle.apps.fnd.sso.SSOManager.<clinit>(SSOManager.java:2209) ... 37 more

Hi
Thanks for your reply. I have checked my Runtime Connection. Everything looks good. The following are settings done.
1) Project Properties -> Oracle Applications -> Runtime Connection
Dbc FileName: C:\Jdev10g_R12\jdevhome\jdev\dbc_files\secure\dld.dbc
username: kthalakoti (Apps Username & password as given)
password: ************
Applcation Short Name: AK
Responsibility Key: FWK_TBX_TUTORIAL
2) Project Properties -> Oracle Applications -> Database Connection
User Name: apps
Connect String:
jdbc:oracle:thin:@//mrpdev24.sirf.com:1521/DLD
Can you please help me out where I'm getting wrong?
Thanks
3) Project Properties -> Oracle Applications -> Run Options
Selected Options: OADiagnostic
OADeveloperMode

Problem in using JDeveloper 10g with JHeadstart

I am using JDeveloper 9.0.3 and jheadstart 9.0.4.5 and I would like to test jdeveloper 10g preview with JHeadstart.
So, I have downloaded the JDeveloper 10g to test it with my old application.
Having run the Jdeveloper for the first time, I realized that Jdeveloper
installed the jheadstart automatically and following message was shown in the message window :
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\PrjWizard.jar!\META-INF\jdev-ext.xml
Error: <Line 12, Column 24>: XSD-2034: (Error) Element 'description' not expected.
Error: <Line 13, Column 17>: XSD-2034: (Error) Element 'help' not expected.
Error: <Line 17, Column 27>: XSD-2034: (Error) Element 'dependency_addin' not expected.
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\JhsShare.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\MvcFrameworkServiceFileViewer.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\JHeadstartDesignerGenerator.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\JAGLauncher.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\Bc4jPropertyEditor.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
E:\Software\10g\JDev10g\jdev\lib\ext\jheadstart\JASEditor.jar!\META-INF\jdev-ext.xml
Converting JDeveloper 9.0.3 extension manifest to 9.0.5
So I try to test one of my old application with this configuration. After Jdeveloper migrated my workspace and projects and business componenet
to the newer version, I run the application generator. It worked fine without any problem but after running the application, I got an error page showing
that my bc4j.xcfg is not in the path.
On the other hand, I found out that when I wanted to view my UIX pages, 2 dialog boxes appeared. The first one asked to upgrade
to UIX 2.2's new expression language syntax and the other which is on the top of the first one, showing that UIX runtime failed to render the page
with following detail :
javax.servlet.ServletException: No page broker found!
 at oracle.cabo.servlet.PageBrokerHandler.handleRequest(Unknown Source)
 at oracle.cabo.servlet.UIXServlet.doGet(Unknown Source)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at oracle.cuervo.share.servlet.PreviewServletContainer.handleRequest(PreviewServletContainer.java:305)
 at oracle.cuervo.share.servlet.PreviewServletContainer.handleRequest(PreviewServletContainer.java:229)
 at oracle.cabo.ide.addin.preview.UIXRenderThread._reallyLoad(UIXRenderThread.java:263)
 at oracle.cabo.ide.addin.preview.UIXRenderThread.runImpl(UIXRenderThread.java:203)
 at oracle.cabo.ide.addin.preview.BasePreviewThread.run(BasePreviewThread.java:79)
I think that I should have set some setting before use JHeadstart with JDeveloper.
Could anybody help me ?

Alex,
The document Sandra referred to applies to JDeveloper 10g preview (9.0.5.0). JHeadstart 9.0.4.5 will NOT work with JDeveloper 109 production (9.0.5.1).
We plan to release a new version end of april that is compatible with 9.0.5.1. See this thread for more info: JDeveloper 10g production, status JHeadstart?
Steven Davelaar,
JHeadstart Team.

Problem creating WebDav connection to review XML schema in JDeveloper 10g

I am trying to review some XML schema and cannot seem to create a WebDav connection. I entered all the relevant info and keep getting the following error :Testing connection...
Connection test failed: unable to connect
Unable to connect to WebDav Connection1 (http://localhost:8080/)
May require proxy to connect to the location,
when I tried to test the connection. The tips given in the help section didn't work either. Could someone please help me?

Thanks for your prompt response.
I had done that before yet, it still doesn't work.
Please, bear with this newbie, for a second.
I think it may be relevant to mention that I am trying to create a connection on my local network.
Had no problems when I try to connect to enterprise manager,or iSQL*plus console, or creating a database connection through Jdeveloper, or even to the HTTP server through the browser. I am using windowsXP platform BTW, if it makes a difference, and Jdeveloper 10g. When I try to create the webDav Connection it still gives me the connection failed error, .....
Testing connection...
Connection test failed: unable to connect
May require proxy to connect to the location
Additionally ran this script ....
DECLARE
HTTP_PORT pls_integer := 8080;
FTP_PORT pls_integer := 2100;
config xmltype;
BEGIN
SELECT updateXML(dbms_xdb.cfg_get(),
'/xdbconfig/sysconfig/protocolconfig/httpconfig/http-port/text()',
HTTP_PORT) INTO config
FROM DUAL;
DBMS_XDB.CFG_UPDATE(config);
SELECT updateXML(dbms_xdb.cfg_get(),
'/xdbconfig/sysconfig/protocolconfig/ftpconfig/ftp-port/text()',
FTP_PORT) INTO config
FROM DUAL;
DBMS_XDB.CFG_UPDATE(config);
END;
COMMIT;
-- Updates configuration
BEGIN
DBMS_XDB.CFG_REFRESH;
COMMIT;
END;
-- Creates /home Directory
DECLARE
result boolean;
BEGIN
result := dbms_xdb.createFolder('/home');
dbms_xdb.setAcl('/home','/sys/acls/all_all_acl.xml');
commit;
END;
list
OUTPUT from script....
PL/SQL procedure successfully completed.
Commit complete.
PL/SQL procedure successfully completed.
DECLARE
ERROR at line 1:
ORA-31003: Parent / already contains child entry home
ORA-06512: at "XDB.DBMS_XDB", line 195
ORA-06512: at line 4
Still no luck! What I am i doing wrong?
Any pointers will be appreciated.

User.region configuration JDeveloper 10g

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