APEX and JDeveloper prerequisites

Before installing APEX, I knew that it
needed an Oracle database to be running.
I've suddenly discovered that it also assumes
an HTTP server is already available. Which
I did not notice at all in the installation documents.
If it needed one, I assumed that it installed it.
Are there any other fundamental assumptions
or prerequisites that need to met before
successfully installing APEX?
What about JDeveloper?
What are all the fundamental assumptions?

Please tell us your first name and update your forum profile to show it as a help to us. Thanks.
See the Installation Guide for answers to all of your questions, for example, under the heading:
About Choosing an HTTP Server
"In order to run, Oracle Application Express must have access to either Oracle HTTP Server and mod_plsql or the embedded PL/SQL gateway."
What about JDeveloper? Unrelated to Application Express.
Scott

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Create PDF report with APEX and Oracle 11g doesn't work

Hi everyone,
I have a problem with the downloading of PDF reports from APEX with Oracle 11g.
When I try to download a PDF, Acrobat Reader says it can not open the file.
I have done the same test in an environment with APEX and Oracle 10g and it works perfectly.
Does anyone know if there is a known bug for version 11g.
Thank you very much.

Hi Munky,
I open the generated file the Notepad++ I can read the next message:
*<HTML><HEAD><TITLE>500 Internal Server Error</TITLE></HEAD><BODY><H1>500 Internal Server Error</H1>OracleJSP:*
An error occurred. Consult your application/system administrator for support. Programmers should consider setting the init-param <code>debug_mode</code> to "true" to see the complete exception message.</BODY></HTML>
I have not idea can I solve the problem.
Have you got any solution for this problem??
Thank you so much.
Victor Muñoz.

How to automatically login to apex and run a specific page / application

Hi all.
I'd like to know if there is a way of automatically login to apex and run a specific page / application. I mean, invoke browser and pass the necessary information to login (not public user) and run a specific application( ina secure way if possible).
Thanks in advance ...!

Hi,
Well, as a very crude test you can set your authentication scheme to be Application Express Authenticationand define some users in Apex. Then create a before header login process on the login page (101) to automatically logon containing:
apex_authentication.login(
p_username => :P101_USERNAME,
p_password => :P101_PASSWORD );
:P101_PASSWORD := NULL;conditional on P101_PASSWORD is not null.
Then you can login by specifying your username and password in the URL e.g.
f?p=YOURAPP:LOGIN:::::P101_USERNAME,P101_PASSWORD:username,password
Rod West

Soa 11g and jdeveloper 11g user defined extension function

I have developed a set of extension functions,
in design time for the previous version, I can put the deployment file (jar file) that contains the extension functions in the %JDEV_HOME%\jdev\lib\ext directory and jdeveloper recognizes the set of extension functions if previously i have defined an xml descriptor with every one of the functions i need to include in the panel.
Now, with the jdeveloper 11g i have tried the same, and jdev recognizes the functions, but when I am going to test one transformation that includes the extension function, the parser is not founding the jar file; the error (in spanish) is:
XML-22045: (Error) Error de funcion de extension: No se ha encontrado la clase '
Falta la clase: aac._shared.extensions.xsl.XmlW3cDomFunctions
Clase Dependiente: oracle.xml.xpath.XSLExtFunctions
Cargador: main:11.0
Origen del Codigo: /C:/.extracted/jdevstudio1111/lib/xmlparserv2.jar
Configuraci≤n: system property PCLMain.createExtensionManagerLoader()
Esta carga se ha iniciado en main:11.0 mediante el mΘtodo loadClass().
La clase que falta no esta disponible desde ningun origen de codigo o cargador del sistema.
my dude is:
+ at design time, where can I put the jars with extension functions to make one transformation function used in a mediator component can works fine?
+ at runtime, where can I put those libraries? (in the previous version, we can put this libraries in the %APP_SERVER%\j2ee\home\applib, or create one shared library and reference it in the oracle.bpel.common shared library declaration of the server.xml configuration file).

Hi,
please post this question to the JDeveloper 11 forum. Please translate the messages into English as well
JDeveloper and OC4J 11g Technology Preview
Frank

What are variables or parameters in Apex and how to use them?

Hi
What are variables or parameters in apex and how to use them to connect and run BI Publisher Report
From Apex URL

Hello Kanaiya,
You should go here: http://www.oracle.com/technology/products/database/application_express/index.html
Look at "What is Oracle APEX?" then download the documentation and review the various PDF files that are available.
If you have a version of APEX installed and available, go through the 2-Day Application Express Developer's Guide followed by the Advanced Developer's Guide.
Good luck,
Don.

APEX and Oracle XE

I am trying to use the APEX (as a substitute for my PHP forms base application) for a new client.
Can I use the APEX and Oracle XE in production, without spending any money for a license from Oracle - i.e. for listener, Web server, etc,?
I already have setup the APEX that works fine on my laptop, able to see and work with the form on the browser, so can I take the same to a server as a production?
Any help is appreciated,
Merdad

Mehrdad wrote:
I am trying to use the APEX (as a substitute for my PHP forms base application) for a new client.
Can I use the APEX and Oracle XE in production, without spending any money for a license from Oracle - i.e. for listener, Web server, etc,?
I already have setup the APEX that works fine on my laptop, able to see and work with the form on the browser, so can I take the same to a server as a production?Yes. Oracle XE is free to use for internal use or use in your products subject to the license terms for Oracle Database Express Edition.
APEX is a no-cost database option, so if you have a licensed database (including XE), you can use APEX to develop applications. (Note that if XE is upgraded to use the latest version of APEX, some of the built-in GUI database admin features described in the guides will be lost. All admin will then have to be performed using SQL*Plus or SQL Developer.)
The licensing information covers the features included (and not included) in Oracle XE.
There's a dedicated {forum:id=251} forum. This is the only channel for XE support as Oracle do not support the product through MOS (even for customers paying for support of other database editions).

Oracle apex and extjs grid table

hi
im new to extjs and i was wondering if someone can help me with this;
i want to create a report in oracle apex and put the output in extjs grid table
for example i want to view the output of select * from all_objects in grid table
thnx in advance

Okay
To get you started...
Create a new report template with named rows.
In row 1 template put this
["#1#","#2#","#3#","#4#","#5#","#6#","#7#","#8#"]Assuming you have 8 rows say... and make it conditional based on a PL/SQL Expression like this
#ROWNUM# = 1Then row 2 template like this
,["#1#","#2#","#3#","#4#","#5#","#6#","#7#","#8#"]Conditional on
#ROWNUM# > 1Then in before row put this
<script type="text/javascript">
Ext.onReady(function(){
var munkyData = [And after rows something like this (based on the emp table)
var store = new Ext.data.SimpleStore({
      fields: [
               {name: 'empno', mapping: '0'},
               {name: 'ename', mapping: '1'},
               {name: 'job', mapping: '2'},
               {name: 'mgr', mapping: '3'},
               {name: 'hiredate', mapping: '4'},
               {name: 'sal', mapping: '5'},
               {name: 'comm', mapping: '6'},
               {name: 'deptno', mapping: '7'}
store.loadData(munkyData);
var grid = new Ext.grid.GridPanel({
       store: store,
       columns: [
                 {id:'empno',header: "Employee",sortable:true, width:100,dataIndex:'empno'},
                 {header: "Name", sortable:true,width:75, dataIndex:'ename'},
                 {header: "Job", sortable:true, dataIndex:'job'},
                 {header: "Manager", sortable:true,width:75, dataIndex:'mgr'},
                 {header: "Hire Date", sortable:true,dataIndex:'hiredate'},
                 {header: "Salary", sortable:true,width:50,dataIndex:'sal'},
                 {header: "Commission", sortable:true,dataIndex:'comm'},
                 {header: "Department", dataIndex:'deptno'}
       stripeRows: true,
       width:700,
       autoHeight:true,
       title:'Array Grid',
       renderTo: 'munkyDiv'
</script>Then create a region to hold it with a source of
<div id="munkyDiv>
</div>
{code}
This is pretty basic but it should get you going...
Cheers
Ben
http://www.munkyben.wordpress.com
+Don't forget to mark replies helpful or correct+ ;)

Differences between Apex and Oracle Answers (being part of OBIEE)?

Hi!
A colleague and I just completed a very simple demonstration prototype in Oracle answers consisting of tables (using filters, columns selectors, etc.) to control asset price deviations in fund management. The prototype is based on a star schema with a couple of facts and about 15 dimensions. We made some dashboards using traffic lights as alerts for price tables and designed a couple of data entry forms. The client says that licence costs are not issue (he is a very large banking institute) since he has special licensing agreements with Oracle. However, he wants to know what the main differences between OBIEE's Answers and Apex are. He is about to install Apex and is not sure if he should also introduce OBIEE's Answers. Is there any official Oracle paper comparing Apex and OBIEE's Answers or does someone know the main differences between both products?
Thanks a lot for your help!!
Ilias

Hi,
Q2). I assume that is something that is not default on Apex when you install it.
appshosting have e.g. [Apex builder plug in |http://builderplugin.oracleapex.info/] that is not supported by Oracle.
But I just ques here
Br,Jari

Apex and Natural Vs Surrogate keys

Hi
We've been using Apex for a few months now and there's a debate raging in our department over whether we should design our database tables using natural or surrogate (based on Oracle sequences / triggers) keys. Our experience as Apex developers shows that Apex itself looks to lean towards surrogate keys, a few examples are below:
- When creating forms on reports / tables Apex only allows 2 primary key columns without adding 'extras' in the background (see a previous post of mine).
- If we have a form on a table and our natural primary keys can be updated, the Apex-created DML statements break, as they look to do the update using the changed key values in the WHERE clause rather than the old ones. The only way around this seems to be to delete the inbuilt DML statements created by Apex and code your own, which is extra work.
- The Apex sample applications themselves seem to use sequences / surrogate keys.
What are people's opinions on this? In particular is there any guidance from the Apex development team on which is best to use with Apex?
Regards
Antilles

Hi Andrew,
As with abots_d, I only use "natural" keys for lookups.
>
1. the department names were here for 20 years and they never changed
>
But, can you guarantee that they never will? My firm has changed departmental names so many times, it's getting ridiculous! But other things also change over time - consider what happens if a person gets married and changes their name and you've used their previous names as the keys (and consider how much data in other tables may use those keys).
>
2. Server names are uniquely generated by special formula in excel to preciously avoid the duplication problem and guarantee the uniqueness within our glamorous bank.
>
SQL could probably recreate that formula and Unique Key constraints would handle the rest
>
3. no, we are not going to extend this app to cover any other banks
>
Given what's happening with the banking industry right now, who can say ;)
>
4. PK that means smth ( aka "server name" ) has a meaning, whereas meaningless - has no (business) value
>
Why does a bit of data have to have explicit "business value"? I would suggest that a surrogate key is a pointer to a record and allows you to easily create relationships. Once created, the key would never be changed regardless of what happens to the data on its record. Thus, the relationship is maintained. Using personnel (which our firm renamed as "Human Resources" a while back) as an example, it's likely that every employee would have an employee number. Does this number actually mean anything in itself, does it have "business value"? Most likely, it's just a convenient way to identify a person and relate records to them.
I would suggest that any non-numeric/date keys are relatively slow. As strings, the only way to check for their sort order would be to (A) convert to upper or lower case and (B) perform a string comparison left-to-right across the entire string. There's also the possibility of certain characters appearing in the strings that can cause issues - for example, quotes, apostrophes, colons, commas, question marks and percentage signs.
Also, consider the length of a VARCHAR2 that you would have to use - how big would it need to be to cover all possibilities? You may say 20 now but tomorrow you get data with 21 characters in it - do you want to update the table plus all related tables for that?
There are further issues with parent, child, grand-child etc relationships where the keys would have to be passed down in full through the relationships. Depending on how many levels you may have, a fair number of the fields on the bottom-most table would be there just for the keys.
It has been a standard industry practice for many years now to "normalise databases" to avoid lots of issues with keys and "repeating data". Apart from very simple lookup tables, I have stuck with those guidelines for years now without any problems at all.
Andy

Database Lite and JDeveloper / ADF

Hello,
I'm planning to create a small application which will run on mobile PC in an off-line mode, having synchronization with master DB once connected to the proper network.
The main architecture on the target PC may be :
- Oracle Lite
- GlassFish
- ADF application
I downloaded JDeveloper 11.1.1.3.0 and the latest version of Oracle Lite (10.3.0.3).
I'm looking the tutorials but none of them are talking about the JDeveloper 11g version, they all speak about BC4J/OC4J. Since I'm new to Oracle's product I don't know these "products" (framework ?) and in the 11g version this seems to have disappeared.
Are those versions compatible with each other ?
Will the tutorial work ?
Regards
PS: the same thread is present on the JDeveloper forum

The main thread will be the one on JDeveloper section :)
==> Database Lite and JDeveloper / ADF

JMS with weblogic and jdeveloper IDE

HI,
I am a newbie to jms..could anyone provide me a sample tutorial to test and deploy a sample jms application using weblogic and jdeveloper IDE.
Thanks,
Amy
Edited by: 838667 on Feb 22, 2011 2:50 AM

...I have a strong feeling this is a TIBCO-related issue where you're not doing the lookup the way TIBCO likes.

APEX and BI Publisher - chart not displayed in html

Hi All,
I have created a report using BI Publisher and created a report query and uploaded the RTF template into APEX. The report contains a chart then a table.
When I run the report in HTML format the chart is not rendered, but the table is. The browser seems to show the page as loading for a very long time, but nothing seems to happen.
If I run the report in PDF the report is rendered correctly. Also in the BI Publisher Word plugin I can preview the report in HTML ok.
I'm using APEX 3.1.2, BI Publisher 10.1.3.4
Any ideas?
Thanks,
Matt

Hello,
Remember that Apex and BI Publisher are different products (they just "play" very nicely together).
Apex has the possibility to create SVG and Flash charts, SVG charts were great because they were very flexible, however Adobe has announced their discontinued support for the SVG plugin that some browsers need to display the SVG charts.
So moving forward, use Flash Charts instead, as most browsers already have Flash player plugins installed.
I'm guessing the reason your SVG chart isn't displaying in the browser is because you haven't installed the SVG plugin in your browser.
If you have a lot of SVG charts already in your applications, fear not! There is a simple SVG->Flash migration wizard you can use (look on the right hand side of the page when you edit your Chart region, and also in the Shared Components section if you want to migrate a lot of them). If you use these wizards Apex will automagically convert your SVG chart regions to Flash chart regions.
Hope this helps,
John.
http://jes.blogs.shellprompt.net
http://www.apex-evangelists.com

The missing ring between Designer and JDeveloper.

I'm a user of both Designer and JDeveloper and I found a difficulty in making both updated at once.
I would like to have something wich can help to map Designer table definitions to ADF entities but I still don't see anything usefull.
I hoped the integration between Desigern and JDev could help me, but it's based upon Modules and not upot tables and then is useless.
I looked for Jheadstart but it seems to have similar problems.
Is there any plan to fill the gap ?
Is there any viable soluntion already done ?
Tks
Tullio

Repost

Hi, im a beginner in ADF and JDeveloper. Can anyone suggest me any video links for learning Oracle ADF?

Hi, im a beginner in ADF and JDeveloper. Can anyone suggest me any video links for learning Oracle ADF?
Thanks,
Vijay

Refer the below link as a starting point.
https://blogs.oracle.com/shay/entry/how_do_i_start_learning_oracle_adf_and_jdeveloper
http://sameh-nassar.blogspot.com.au/2010/04/main-references-to-learn-oracle-adf.html
Cheers
AJ

OBIEE 11.1.1.7 and JDeveloper integration

Hi all,
I am integrating OBIEE 11.1.1.7 with J Developer. I have installed OBIEE 11.1.1.7 and JDeveloper 11.1.2.3.0 on my machine. Can anyone tell me the further steps to move on.
As per my research, I have to download an extension called Web Center portal in JDeveloper. But it is not getting displayed in the extension list. Is it compatible with this version ? If not, then which versions is it compatible with.
Apart from this I also came across the extensions called BI ADF task extension Bundle, BI ADF Bundle. Can anyone provide me appropriate links that demonstrate use of these extensions (Any tutorials or so).
I am just trying to explore the possibilities of OBIEE with J Developer.

Pl see if MOS Doc 337737.1 (Oracle Clusterware - ASM - Database Version Compatibility) can help
HTH
Srini

APEX and JDeveloper prerequisites

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