Executing multiple apex applications from EBS

Hi,
We have developed an apex application which can be triggered through an application link from Oracle EBS. Now, we have a requirement to run multiple apex applications from a single EBS session simultaneously.
Can someone provide information on how this can be acheived?
Raajkumar G

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How to deploy APEX Application within EBS module

Hi Guruz,
How to deploy APEX Application within EBS module, for example I have developed APEX application by using EBS Tables like OA Framework Development in jDeveloper. or anyone can clear my understanding regarding jDeveloper and APEX differences and both are same in relation with EBS Development.
Regards,

Hello,
First of all you can delete delete the development environment, by executing apxdevrm.sql script.
You can also wrap your packages.
Regards

Info : Migrating Apex Application from Non-SSO to SSO environment

Hi All,
This post is to share my experience while working on APEX. This may be useful to some apex developer.
If we migrate an apex application from a non-sso (i.e. http) to sso (i.e. https) environment, the flash chart doesn't work.
I found that in the source of a Flash Chart region, we use #HOST# variable to locate the swf file. The environment variable takes the correct path but with "http" as prefix. But to access application pages "https" is used. Because of which, the swf file couldn't be located by the application.
Work-around Solution : If I hard code the value i.e. the application path having "https" replacing #HOST# variable then the flash chart works fine. I couldn't found a way by which the #HOST# parameter value can be updated to take "https".
The same environment host other non-sso applications as well.
Any comments on this are welcomed.
Regards,
Mangal

Hi Dirk,
Thanks for the reply.
As I mentioned earlier, by Non-SSO I mean "http" and by SSO I mean "https". This is because, before migration the application was accessible using "http" and now we have to use "https" alongwith SSO to access the application. I only want to highlight the Flash Chart issue with this migration.
The problem doesn't solves with your solution as I am getting correct instance/environment name with #HOST# but prefixed with "http" and not "https". Hence the application won't be able to locate the required swf file.
Even the workaround I mentioned is only feasible, if an application has only few Flash Charts. However, if there are large no. of Flash charts in an application, then it would be a tedious task to update all flash chart source either by an application item (as you mentioned in your post) or hard coding the path itself. Also, every new Flash Chart source needs to be updated by a developer to fix this.
A better solution is required by which the Flash chart source is not touched and the #HOST# variable for the application is updated to take the "https" prefixed to the swf file path.
Regards,
Mangal
Edited by: Mangal on Mar 5, 2009 11:31 PM

How to execute 2 different application from same Application Server

Hi,
I would like to know that how to execute two different applications from the same Application Server with different databases?
We are using
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0
Oracle Application Server 10g 10.1.2.0.2
Regards,
Hassan

what type of applications you want to run from the same application server, Hassan?
What other DB are you using to launch it beside the one you quoted? Is it the MRep DB of infra?

Can't install my Apex Applications from 10.2XE

Installation from 11.2 XE went without problems, but I had a problem importing my Apex applications from my old 10.2XE database.
According to the Installation Guide, 7 Importing and Exporting Data between 10.2 XE and 11.2 XE
2. Connect to 10.2 XE database as SYS user and run gen_inst.sql. This will
generate install.sql, gen_apps.sql and other .sql files. The files will
be generated in the folder containing gen_inst.sql.
=> the generated script f100.sql ends with
ERROR:
ORA-06502: PL/SQL: numeric or value error: host bind array too small
ORA-06512: at line 1
This was during:
--application/shared_components/plugins/region_type/com_oracle_de_cczarski_labelcloudplugin
begin
wwv_flow_api.create_plugin (
=> the generated script f100.sql doesn't contain "set scan off"
but does contain lines like "p_home_link=> 'f?p=&APP_ID.:1:&SESSION.',"
Running the script f100 with set scan off added results in
...page templates for application: 100
......Page template 2301643674799144
......Page template 2301746430799146
......Page template 2301820809799146
......Page template 2301944547799146
......Page template 2302037696799146
......Page template 2302118851799146
ERROR:
ORA-01741: illegal zero-length identifier
Anton

Anton,
1) When you export your application 100 from within Application Express from your old instance and you compare it to the one generated, are there any significant differences?
2) Can you export your application 100 from within Application Express from your old instance and import it back into the same (old) instance but with a different application identifier?
Joel

Executing a java application from c++ using jni

hi,
how do i execute a java application from c++ ?. it should behave similar to typing 'java abc.class' at the dos prompt.
i've done up till recognizing the method id. GetStaticMethodID(). I tried using CallStaticVoidMethod() but didnt work. are there any other methods i should be using?

Look at the source code to the "java" command that is included in the sources that come with the JDK. Since it is the exact code that is run when you type java at the command line, it should be close to what you want.

Session state variables across multiple ApEx applications

We have a suite of loosely integrate ApEx applications that all share a common authentication scheme. When you first log in we attempt to load a series of session state variables with temporary data to streamline various logging and authentication related activities for the life of the session.
However, these session variables seem to disappear when you move from one application to another, so they are not truly tied to just the "session" which carries over across all applications, but the application from which the session state is set.
What is the suggested way, keeping in mind that the data being held may have security related context, to preserve values during a session, but regardless of which ApEx application you are in.
The method we are using to share the authentication is using a common "Cookie Name" from a common subscribed authentication scheme as suggested elsewhere on this site and seems to work very well outside of this specific issue.
Thanks in advance,
Barney

Apologies for the delay getting back on this.
My use of the word "disappear" was probably misleading. They were not visible from the second application. When setting "Session State" I was under the impression that it was setting it for the authenticated session, not for the specific application. (I am referring to the: apex_util.set/get_session_state).
Your solution will work fine, as long as I know which application the user last authenticated against. However, it could be one of over 30 (and growing) different applications which would require me writing a program to go through every "p_flow" to try and find a valid value every time I need to reference the field.
It would be really beneficial if you could store true Session variables which stay alive for the life of the authenticated session and is available to anything authenticated against that session id. This would streamline alot of cross-application program development.
The "get/set_session_state" is a misleading as it is not a Session value, but an Application value. The Session exists across multiple applications, while this procedure does not.
Thanks,
Barney

Is it possible to install multiple AIR applications from single install?

I've been asked to find a way to install multiple air applications in one install. Is this possible, or am I going to have to use a 3rd party tool like InstallShield?

I guess it's possible to create a meta-installer, which fires up the individual installers using the command line. It's not the ideal way to do this, but it might work.
Sample code to use the command line from within Flex:
<fx:Script>
if(NativeProcess.isSupported)
    var file:File = File.desktopDirectory;
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Can multiple APEX application use the same parsing schema?

Hi,
I have 4.2 APEX thru pl/sql Gatewat, 11gr2 DB and using theme 24.
Due to the APEX limitation for version control I would be splitting 1 big ERP applications into 24 different APEX applications and each application would be considered as 1 unit for version control.
I have about 800 tables and I would assume that all of these would need to be stored in 1 schema since a lot of these table are linked thru FK.
Can I have multiple APEX APPS using the same parsing schema? or is there a better way to do this?
Thanks in advance!

Hi,
Multiple applications can have same (one) parsing schema.
You can test that on e.g. apex.oracle.com, where normally you have only one schema and you create multiple applications and all use that same schema.
Regards,
Jari
My Blog: http://dbswh.webhop.net/htmldb/f?p=BLOG:HOME:0
Twitter: http://www.twitter.com/jariolai
Edited by: jarola on Jan 28, 2013 7:15 PM

How to restore or backup Apex application from Command line ? URGENT

We have Oracle apex 4.1 installed in Oracle 11g R2 database (windows 64-bit) 2008 R2
For some reason our database dictionary objects are corrupted.
We wanted to backup our Apex applications in some workspaces ASAP.
We are not able to access apex from http://localhost:7777/pls/apex/htmldb_login
We have an underlying database schema export (expdp).
1) Is there a way to export or backup the apex application without logging into the apex URL ? if yes how ?
2) Does Oracle has any of its own native tool to backup and restore from command line ?
Thanks in advance

My (MS Windows) experience, if I may; perhaps you'll find something useful.
You'll find the README.TXT file in /apex/utilities directory. Read it.
In order to use APEXExport, you need JDK version 1.5 or higher. Check your version by typing (and viewing the result):
C:\>java –version
java version "1.6.0_06"
Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
Java HotSpot(TM) Client VM (build 10.0-b22, mixed mode, sharing)Its directory should be part of the PATH environment variable: on my computer, directory name isC:\Program Files\Java\jre1.6.0_06\binFurthermore, Oracle JDBC class libraries must be part of the CLASSPATH environment variable. Check whether it exists (in Control Panel - System - Advanced - Environment Variables). For my 10gXE, it is here:C:\oraclexe\app\oracle\product\10.2.0\server\jdbc\lib\ojdbc14.jarI couldn't make it work; didn't know that ".\" directory must be entered into CLASSPATH as well (found that information in Arie Geller's book). Therefore, my final CLASSPATH version is:.\;C:\oraclexe\app\oracle\product\10.2.0\server\jdbc\lib\ojdbc14.jarOK, setup is done. Now, go to your /apex/utilities directory and, from the command prompt, run (mind the upper case!)java oracle.apex.APEXExportwhich will show a short help.
I chose to export the whole workspace. In order to do that, I need the workspace ID (got it from Apex's SQL Workshop; that might be a problem as you can't get there, can you? I can't tell how to find that information apart from SQL Workshop, but I'm pretty sure someone, who is much more experienced than me, will know it). OK, here's how you find it:select v('WORKSPACE_ID') from dual;Finally, here's the final step - export:C:\apex\utilities>java oracle.apex.APEXExport -db localhost:1521:xe -user scott -password tiger -workspaceid 1038408092496568The result are fxxx.sql files (where "xxx" represents application number).
I hope you'll manage to export your applications; basically, nothing special here (except that ".\" directory in the CLASSPATH variable).
Best of luck!

Start or stop the multiple java application from Netweaver Administrator

Hi All,
In NWA->Operations Management->Systems->Start & Stop... the procedure for how to start and stop the Java Applications is well explained on the following link:
http://help.sap.com/saphelp_nwpi711/helpdata/en/45/1e7eb303577524e10000000a114a6b/content.htm
The problem is that I want to Start or stop the multiple java application on all instances simultaneously with the application state not persisted. But I am not getting the way to select more than 1 rows in the table so that these applications can be started in a single click. Is there any way out or any alternative?
Each time the CE 7.1EHP1 server is restarted there are around 800 applications that are shown as stopped. I have to start each manually one by one which is an hectic task. Please help.
Thanks.
Rajat

FYI ***
The fix was in there were several ora init parms that were set incorrectly:
aq_tm_processes value is 0 Should be >= 1
job_queue_processes value is 0 Should be >= 10
enqueue_resources value is 2392 Should be = 3000
java_pool_size value should be >= 20MB

Securing my APEX application from theft.

I have an APEX application that I have created and am delivering to a customer.
How do I make it so they can’t copy it and use it in other departments without buying a new licensee?
How can I make it so their employees can’t steal the application?
Technically speaking

I'm not sure there is a way to make it 100% secure. If you don't have any control over the customer's environment, any future developer could technically undo any licensing measures you've added. Your best bet would be to get the customer to agree to some sort of Terms of Use which would give you future legal recourse. My only other thought is to host some parts of the application on your own site which would give you more control over licensing, but then you run into problems when connectivity goes down on either end.

SSO for multiple APEX applications on the same instance

Hi All,
We have an APEX instance with 2 applications configured in 2 workspaces.
The instance is already configured to use SSO. I have followed thee Metalink note #562807.1 to do the SSO wiring.
We are planning to incorporate SSO authentication for both the applications.
Also planning to use different URLs (2 aliases for the server) for the applications.
eg:-
App1 will be using http://app1.us.oracle.com/pls/apex/f?p=100:10
App2 will be using http://app2.us.oracle.com/pls/apex/f?p=200:10
Is it possible to register SSO on 2 URLs for the same instance?
Can I execute regapp.sql multiple times on the same instance?
Please advice me.
Thanks,
Sajeesh

Is it possible to register SSO on 2 URLs for the same instance?You should be able to register as many partner applications as you like. I suggest that you try it.
Can I execute regapp.sql multiple times on the same instance?Yes, but the lsnr_token value must be unique. That's HTML_DB:hostname:port.
Your applications in different workspaces will not be able to share sessions but you will probably get the single-sign-on behavior you need.
Scott

Target to execute multiple junit tests from jar file

I have written a custom selenium framework using JUnit and Selenium, problem I am having right now is our team wants to run the tests inside HP Quality Center (I have no idea or any experience with Quality Center) but if I provide a jar file the them they can execute it inside the Quality Center (Reason to run it in Quality Center is for reporting purpose).
Problem is that I have created my framework in away that You can create multiple JUnit base test files for different tests also keep in mind that these classes dont need main method (This is where the problem when it comes to jaring up ). I have introduced following ant target to run all the test cases.
     <target name="test.selenium" depends="jar" description="target to execute all the selenium tests.">
          <junit printsummary="yes">
               <classpath>
                    <path refid="classpath"/>
                    <path refid="application"/>
               </classpath>
               <batchtest fork="yes">
                    <fileset dir="${src.dir}" includes="**/Test*Selenium.java"/>
               </batchtest>
          </junit>
     </target>above ant target runs without any problem, but when you jar it up you need a manifest and main class, is there away I cant introduce some attribute that can execute all my tests without adding main method to each of them.
Here is my ant target for jar
     <target name="jar" depends="compile"
               description="Generates final jar">
          <copy todir="${build.jar}">
               <fileset dir="lib" excludes="**/*.java"/>
          </copy>
          <jar jarfile="${build.jar}/yukonSelenium.jar"
                    basedir="${build.classes}">
               <manifest>
                    <attribute name="Main-Class" value="com.somepackage.selenium.test.TestAuthenticationSelenium"/>
                    <attribute name="Class-Path"
                         value=". /c:/build/jar/log4j-1.2.15.jar /c:/build/jar/junit-4.6.jar /c:/build/jar/selenium-java-client-driver.jar /c:/build/jar/dom4j-1.6.1.jar"/>
               </manifest>
          </jar>
     </target>And this is how the Test Class looks like, I have added main method in this but once i do this after jaring java -jar myJarfile.jar will only execute just the class i have main method init.
public class TestAuthenticationSelenium extends SomePrivateFrameWorkClass {
     private void init() {
          start();
     @Test
     public void testProductNav() {
            //somecode
     @Test
     public void multipleLogin() throws FileNotFoundException, InterruptedException {
                         //Some Code
     public static void main(String[] args) {
          org.junit.runner.JUnitCore.main("com.somepackage.selenium.test.TestAuthenticationSelenium");
}Please let me know if i should put the entire ant build file.
Thanks for any help.
anuradha.uduwage
Edited by: Tilter on Aug 24, 2009 10:05 PM
Edited by: Tilter on Aug 24, 2009 10:06 PM

What i mean is if i have 3 class files in my jar file, and each one of those classes has a main method, how will i be able to execute a class of my choice from that jar file. In manifest files, you specify the main class, but how would i specify multiple classes with main methods, or achieve my objective here.

Single log in for multiple apex application in same workspace

hi forum.
We created 5 applications based on same schema and all in one workspace now. Actually, initially they were created on different machines. now, we have to authenticate users from AD and depending on user type, have to allow or deny some modules. i have created one pager application which have 5 buttons and can control rendering of buttons according to user logged in but...the problem is, inside the applications, i have restrictions on some reports for some users...now one way was to do that is to create a log in for every application separately and thus every application would exactly know who is logged in. but that would be impractical as we need single-sign-on kind of functionality.
please let me know how to have a single log in page work for all application inside the apex workspace so that every application would know name of the user currently logged in.
for the 5 applications, i actually use No_Authentication authentication scheme. and i use following function initially for my one pager application to render the buttons to user or deny
create or replace function getUserName return varchar2
is
   userName varchar2(20);
   c owa_cookie.cookie;
begin
    c := owa_cookie.get('LOGIN_USERNAME_COOKIE');
    userName := c.vals(1);
    return trim(userName);
end;but i cannot user this function obviously in my 5 actual applications.
help is requested please.
bundle of thanks in advance.

You can create one application that does the login authentication according to your authentication scheme. When authenticated, this login app sets a cookie. That's all the login app does (and maybe show a list of available apps to choose from).
The other apps have an even simpler authentication scheme. The only thing they have to do is check the cookie and redirect to the login page (Session Not Valid URL) if there is no valid cookie.

Executing multiple apex applications from EBS

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