Best practice for performing spell check in ADF

Hi,
I would like to know if there is a way to perform spell check in ADF. What is the best way to do? Does ADF have some type functionality for that or do I need to have an external library for that?
Any help will be appreciated.
thank you in advanced,
Abraham
I'm using Jdevelper 11.1.1.4.0 - Build JDEVADF_11.1.1.4.0_GENERIC_101227.1736.5923

couple of related threads
http://kr.forums.oracle.com/forums/thread.jspa?threadID=2167553
spell check for the input text
may be you can check if there is a ajax way of doing this through jsf

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ASM on SAN datafile size best practice for performance?

Is their a 'Best Practice' for datafile size for performance?
In our current production, we have 25GB datafiles for all of our tablespaces in ASM on 10GR1, but was wondering what the difference would be if I used say 50GB datafiles? Is 25GB a kind of mid point so the data can be striped across multiple datafiles for better performance?

We will be using Redhat Linux AS 4 update u on 64-bit AMD Opterons. The complete database will be on ASM...not the binarys though. All of our datafiles we have currently in our production system are all 25GB files. We will be using RMAN-->Veritas Tape backup and RMAN-->disk backup. I just didn't know if anybody out there was using smallfile tablespaces using 50GB datafiles or not. I can see that one of our tablespaces will prob be close to 4TB.

What is SAP best practice for SU24 "no check" indicators

Hi Experts,
Let's say during testing if we find a t-code needs some authorization objects for end to end execution, and those objects are maintained as "CHECK" "NO" in USOBX_C.
Please suggest the best practice...
Should we change the proposal in USOBX_C to "CHECK" "YES" and populate specific values in USOBT_C or we can insert those authorization objects manually in the roles without changing proposals??
As far as I know, it makes upgrade activities more difficult when there is more customization in these tables....However manual insert of auth objects are not impacted during upgrade and also any SU24 maintenance of custom t-codes.
Thanks,
Deb
Edited by: Julius Bussche on Feb 8, 2012 10:31 AM
Subject title made more meaingful.

Normally there is some thought which went into the "no check" flag so you should put some thought into it before testing it to turn it on. It might force you to grant access for that transaction context but have the implication that in other transactions the user can access too much again.
There are however some authorization objects which were added with support packs with this "no check" in the hope of adding the authority-checks into the code to make them possible, but deliver them as backward compatible with existing roles. This is a work-around for not being able to deliver it as deactivated globally in transaction AUTH_SWITCH_OBJECTS.
You can find the candidates by sorting the + 12k entries in USOBX_C by object name and finding those which were dealt with in a very liberal way. Check the docs and OSS notes for them.
Other than that I can only say that a best practice which I believe in is to remove some of the odd things in SU24 immediately after the installation. This means that you later (and as required) only need to add proposals and checks. That is much less error-prone than removing proposals and checks again!
Cheers,
Julius

Home Networking Best Practice for Performance

Hi there first time poster. I have 3 wireless routers at home (Linksys WRT54G's) . I have WEP password setup for security and everything works great. My only question is, is there anything I can look for in the settings that may boost intranet and internet. Just trying to make sure I have the settings set to get the best performance. 2 of the routers have a linksys firmware on it the other has something called talisman. These were given to me.
I know that one thing I can do is change the antennae on them to boost the wireless signal but I'm not sure if that improves the performance. I assume that would come from settings. Thanks in advance.

So you need to improve the wireless signal on your computers. Here are some settings which you do it on your router, i think this might improve the wireless signal strength on your computers.
Open an Internet Explorer browser page on your wired computer(desktop).In the address bar type - 192.168.1.1
Leave username blank & in password use admin in lower case...
For Wireless Settings, please do the following : -
Click on the Wireless tab
-Here select manual configuration...Wireless Network mode should be mixed...
-Provide a unique name in the Wireless Network Name (SSID) box in order to differentiate your network from your neighbours network...
- Set the Wireless channel to 11-2.462GHz...Wireless SSID broadcast should be Enabled and then click on Save Settings...
Please make a note of Wireless Network Name (SSID) as this is the Network Identifier...
For Wireless Security : -
Click on the Sub tab under Wireless > Wireless Security...
Change the Wireless security mode to WEP, Encryption should be 64 bits.Leave the passphrase blank, don't type in anything...
Under WEP Key 1 type in any 10 numbers please(numbers only and no letters eg: your 10 digit phone number) and click on save settings...
Please make a note of WEP Key 1 as this is the Security Key for the Wireless Network...
Click on Advanced Wireless Settings
Change the Beacon Interval to 75 >>Change the Fragmentation Threshold to 2304, Change the RTS Threshold to 2304 >>Click on "Save Settings"...
Now see if you can locate your Wireless Network and attempt to connect... And check the signal strength on your computers.

What is the best practice for implementing scheduled tasks in ADF?

Hi experts,
I'm using Jdev 12.1.3, and I'd need your advice in how implement scheduled tasks.
We have today a button that generates a Jasper pdf report correctly. The new requirement is to schedule a task that automatically send this pdf via email once a week.
Thanks in advance for your help.
Best regards,
Jose.

Refer
Andrejus Baranovskis Blog: Optimizing Long Running ADF Operations with Parallel WebLogic Time Manager Execution
http://www.gebs.ro/blog/oracle/timer-task-in-adf/
https://technology.amis.nl/2011/10/19/adf-faces-handle-task-in-background-process-and-show-real-time-progress-indicator-…

Best practices for performance on io and storage.

I'm building / buying a new server was planning on going virtual.
Dual xeon 2620 v3 with 64 GB ram we have about 15 users and 14 remote users.
Main server 2008 / 2012 SQL
2nd Server 2008 / 2012 File storage
3rd Server / Terminal Services / Citrix (may not be needed still evaluating)
Here is my concern.
HyperV server installed on a mirror dive 120 GB SAS Raid 0 (i've been informed that this is unnecessary as hyper V doesn't require much space and that having it on an SSD would only improve on the boot up speed for the actual hyper V server, hypervisor,
there fore even if I put this on a slow 5400 RPM drive this would only affect the initial boot up of hyperV (which I don't' plan on rebooting often) is this true, would the page file be an issue?
I was then planning on having 600 sas 15K (x4) raid 10, I would use this for the datastores of the 3 server on these drives.
I've been informed that the I/O on these drives will affect performance and that each server should be on it's own separate physical drives (raid volume).
Is this common? Should I be using separate HD's for each virtual machine?
nambi

I'm building / buying a new server was planning on going virtual.
Dual xeon 2620 v3 with 64 GB ram we have about 15 users and 14 remote users.
Main server 2008 / 2012 SQL
2nd Server 2008 / 2012 File storage
3rd Server / Terminal Services / Citrix (may not be needed still evaluating)
Here is my concern.
HyperV server installed on a mirror dive 120 GB SAS Raid 0 (i've been informed that this is unnecessary as hyper V doesn't require much space and that having it on an SSD would only improve on the boot up speed for the actual hyper V server, hypervisor,
there fore even if I put this on a slow 5400 RPM drive this would only affect the initial boot up of hyperV (which I don't' plan on rebooting often) is this true, would the page file be an issue?
I was then planning on having 600 sas 15K (x4) raid 10, I would use this for the datastores of the 3 server on these drives.
I've been informed that the I/O on these drives will affect performance and that each server should be on it's own separate physical drives (raid volume).
Is this common? Should I be using separate HD's for each virtual machine?
Do not create "silos" or "islands" of storage as it both a) hell of a management and b) effective way to steal IOPS from your config. OBR10 (One Big RAID10) is a way to go. See:
OBR10 (One Big RAID10) is a way to go
http://community.spiceworks.com/topic/262196-one-big-raid-10-the-new-standard-in-server-storage
Good luck :)
Hyper-V Shared Nothing Cluster. Only two Hyper-V hosts needed.

Best General practice for performance and tuning.

Hi ,
Can some body let me know the General Best practice for performance and tuning for Oracle Application 11i and 10g.
that can be implemented and suggest in a new environment.
Regards,

Hi,
Please see the following documents/threads.
Note: 744143.1 - Tuning performance on eBusiness suite
Note: 864226.1 - How Can I Diagnose Poor E-Business Suite Performance?
Note: 362851.1 - Guidelines to setup the JVM in Apps Ebusiness Suite 11i and R12
Note: 216205.1 - Database Initialization Parameters for Oracle Applications Release 11i
EBS, performence issue
Re: EBS, performence issue
Oracle Apps Tuning
Re: Oracle Apps Tuning
Regards,
Hussein

Best practice for mouseless ADF applications

I am developing an ADF application where the users do not want to use the mouse.
So I would like to know if there are a best practice for this?
I am already using the accessKey functionality and subforms defaultCommand
But I have had problems setting focus to objects on a page like tables. I would like a button to return the focus to the table after it has made the command like delete.
I have implemented a solution where I have found inspiration several threads and other webpages (see below).
Is this solution okay?
Are there any problems with it?
I would also like to know if there are better pathways to go like
out of the box solutions,
http://www.oracle.com/technetwork/developer-tools/adf/learnmore/79-global-template-button-strategy-360139.pdf (are there an example implementation?), or
http://one-size-doesnt-fit-all.blogspot.dk/2010/11/adf-ui-shell-supporting-global-hotkeys.html
in advance thanks
Inspiration webpages
https://blogs.oracle.com/jdevotnharvest/entry/how_to_programmatically_set_focus
http://technology.amis.nl/2008/01/04/adf-11g-rich-faces-focus-on-field-after-button-press-or-ppr-including-javascript-in-ppr-response-and-clientlisteners-client-side-programming-in-adf-faces-rich-client-components-part-2/
how to Commit table by writting Java code in Managed Bean?
Table does not refresh and getting error as UIComponent is Null
A short description of the solution:
(jdeveloper version 11.1.1.2.0)
--- Example where I use onSetFocus in jsff page
<af:commandButton text="#{hrsusuiBundle.FOCUS}" id="cb10"
partialSubmit="true" accessKey="f"
shortDesc="Alt+Shift+F"
actionListener="#{managedBean_clientUtils.onSetFocus}">
<af:clientAttribute name="focusField" value="t1"/>
</af:commandButton>
--- Examples where I use doTableActionAndSetFocus in jsff page
--- There have to be a binding in the jsff page to delete, commit and rollback
<af:commandButton text="#{hrsusuiBundle.DELETE}" id="cb4"
accessKey="x"
shortDesc="Alt+Shift+X"
partialSubmit="true"
actionListener="#{managedBean_clientUtils.doTableActionAndSetFocus}">
<af:clientAttribute name="focusField" value="t1"/>
<af:clientAttribute name="actionField" value="Delete"/>
</af:commandButton>
<af:commandButton text="#{hrsusuiBundle.COMMIT}" id="cb5"
accessKey="s" shortDesc="Alt+Shift+S"
partialSubmit="true"
actionListener="#{managedBean_clientUtils.doTableActionAndSetFocus}">
<af:clientAttribute name="focusField" value="t1"/>
<af:clientAttribute name="actionField" value="Commit"/>
</af:commandButton>
<af:commandButton text="#{hrsusuiBundle.ROLLBACK}" id="cb6"
accessKey="z" shortDesc="Alt+Shift+Z"
partialSubmit="true"
actionListener="#{managedBean_clientUtils.doTableActionAndSetFocus}"
immediate="true">
<af:resetActionListener/>
<af:clientAttribute name="focusField" value="t1"/>
<af:clientAttribute name="actionField" value="Rollback"/>
</af:commandButton>
--- This is the java class I use
--- It is published in adfc-config.xml as a request scope managedbean
public class ClientUtils {
public ClientUtils() {
public void doTableActionAndSetFocus(ActionEvent event) {
RichCommandButton rcb = (RichCommandButton)event.getSource();
String focusOn = (String)rcb.getAttributes().get("focusField");
String actionToDo = (String)rcb.getAttributes().get("actionField");
UIComponent component = null;
String clientId = null;
component = JSFUtils.findComponentInRoot(focusOn);
clientId = component.getClientId(JSFUtils.getFacesContext());
if ( "Delete".equals(actionToDo) || "Commit".equals(actionToDo) || "Rollback".equals(actionToDo) ){
BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
OperationBinding operationBinding = bindings.getOperationBinding(actionToDo);
Object result = operationBinding.execute();
AdfFacesContext.getCurrentInstance().addPartialTarget(component);
if (clientId != null) {
makeSetFocusJavaScript(clientId);
public static String onSetFocus(ActionEvent event) {
RichCommandButton rcb = (RichCommandButton)event.getSource();
String focusOn = (String)rcb.getAttributes().get("focusField");
String clientId = null;
if (focusOn.contains(":")) {
clientId = focusOn;
} else {
clientId = findComponentsClientIdInRoot(focusOn);
if (clientId != null) {
makeSetFocusJavaScript(clientId);
return null;
private static void writeJavaScriptToClient(String script) {
FacesContext fctx = FacesContext.getCurrentInstance();
ExtendedRenderKitService erks = null;
erks = Service.getRenderKitService(fctx, ExtendedRenderKitService.class);
erks.addScript(fctx, script);
public static void makeSetFocusJavaScript(String clientId) {
if (clientId != null) {
StringBuilder script = new StringBuilder();
//use client id to ensure component is found if located in
//naming container
script.append("var textInput = ");
script.append("AdfPage.PAGE.findComponentByAbsoluteId");
script.append ("('"+clientId+"');");
script.append("if(textInput != null){");
script.append("textInput.focus();");
script.append("}");
writeJavaScriptToClient(script.toString());
public static String findComponentsClientIdInRoot(String id) {
UIComponent component = null;
String clientId = null;
component = JSFUtils.findComponentInRoot(id);
clientId = component.getClientId(JSFUtils.getFacesContext());
return clientId;
}

Hi,
I am developing an ADF application where the users do not want to use the mouse. So I would like to know if there are a best practice for this?
Well HTML (and this is the user interface you see) follows a tab index navigation that you follow with "tab" and "shift+tab". Anything else is a short cut for which you use mnemonics (as you already do) or shortcuts (explained in http://one-size-doesnt-fit-all.blogspot.dk/2010/11/adf-ui-shell-supporting-global-hotkeys.html). There is a distinction to make between non-web environments (which I think you and your users have abackground in) and client desktop environments. Browsers block some keyboard functionality for their own purpose. So you may have to find a list of keys first that work across browsers. Unlike desktop clients, which allow you to "press a button" without the button to take focus, this cannot be done on the web. So you need to be clever here, avoiding buttons at all.
The following paper is about JavaScript in ADF and explains the basics for what Chris Muir explains in : http://one-size-doesnt-fit-all.blogspot.dk/2010/11/adf-ui-shell-supporting-global-hotkeys.html
http://www.oracle.com/technetwork/developer-tools/jdev/1-2011-javascript-302460.pdf
It has the outline for how to register short cut keys that perform a specific action (e.g. register ctrl+d to delete the current row you are on, or press F11 to execute a query (similar to Oracle Forms frmres files)). However, be aware that this includes some code you have to write (actually quite some code to be honest).
http://www.oracle.com/technetwork/developer-tools/adf/learnmore/79-global-template-button-strategy-360139.pdf (are there an example implementation?), or
http://one-size-doesnt-fit-all.blogspot.dk/2010/11/adf-ui-shell-supporting-global-hotkeys.html
Actually these are implementations as they come with example code for you to use and customize, do they? So what is this question asking for more ? Also note that global buttons don't quite have anything in common with the question you asked. I assume you want to see it as an implementation of the Forms toolbar that operates on the form or table the focus is in. This however does not work for the web as there is nothing that keeps track of which component has a focus and to what iterator (data block) it belongs. This would involve even more coding (though possibly doable)
Frank

What is the best practice for Enumeration for ADF?

Dear All,
What is the best practice for Enumeration for ADF?
I need to add enumeration to my application. ex: Gender, Marital Status.
How to provide? Custom Declarative Components or are there any other way?
Thank you.
Erdenebayar

Hi ?
How to create Static VO and assign static values for the fields?
if you can, then decide the matter.
thank you
Edited by: Luuya on Mar 23, 2011 1:34 AM

Best Practices for BI, ADF and Oracle Forms installations on Weblogic

Hi, I'm researching options on upgrading to Oracle 11g Middleware. My company currently has Oracle Forms 10g running on Oracle Application Server.
We are interested in using Oracle Forms 11g, ADF and Jdeveloper, and Business Intelligence with Oracle's Weblogic 10.3.5.
Is there any whitepapers or documentation on best practices for installing alll of these components together?
For instance, can ADF ( with JSF 2.x ) be installed in the same domain as Oracle Forms 11g but use different managed servers?
Will Business Intelligence need to be in a seperate Oracle Home with it's own weblogic installation? I spend a lot of time trying to get the JSF upgraded to 2.x in the Business Intelligence installation and could not get it to work.
I know it's a pretty broad question but thank you for any direction on this.

Thanx for the reply! I read through the documents and they are very good at explaining how to install the different components individually. I still can't find much on installing them together. I hope it's not just going to be a trial and error thing.
So far I've installed done the following successfully:
Installed 10.3.5 weblogic
Forms and Reports 11g on top of 10.3.5
I've created an additional managed server for our ADF applications.
My next step is upgrading the JSF to 2.x. I would have to stage patches 12917525 and 12979653. I'm afraid it will break the forms and reports though. Any ideas?

What are the best practices for Database management and performance tuning?

Hello,
I want to ensure that I am using the best practices for managing and maintaining our Database.
Is there any documentation out there that outlines how to maintain and ensure top performance out of our database?
Thank you!
John Sefton

I appreciate the responses, however this is not the information I am looking for.
I am specificaly looking for best practices invloving the managment and performance tuning.
Example: are their tools that I can install that will monitor the size and response time of the database and alert me if there is degradation in performance?
Are there specific periodic activities I should be doing to garuntee that my database will continue to function that way it is supposed to?
Or is this a fire and forget solution that does not need this attention?

Best practice for PK and indexes?

Dear All,
What is the best practice for making Primary Key and indexes? Should we keep them in the same tablespace as table or should we create a seperate tableapce for all indexes and Primary Key? Please note I am talking about a table that has 21milion rows at the moment and increasing 10k to 20k rows daily. This table is also heavily involved in daily reports and causing slow performance. Currently the complete table with all associated objects such as indexes and PK is stored in one seperate tablespace. If my way is right then please advise me how can I improve the performance of retrival or DML operation on this table?
Thanks in advance..
Zia Shareef

Well, thanks for valueable advices... I am using Oracle 8i and let me tell you exact problem...
My billing database has two major tables having almost 21 millions rows each... one has collection data and other one for invoices... many reports are showing the data with the joining of Customer + Collection + Invoices tables.
There are 5 common fields in between invoices(reading) and collection tables
YEAR, MONTH, AREA_CODE, CONS_CODE, BILL_TYPE(adtl)
My one of batch process has following update and it is VERY VERY SLOW:
UPDATE reading r
SET bamount (SELECT sum(camount)
FROM collection cl
WHERE r.ryear = cl.byear
AND r.rmonth = cl.bmonth
AND r.area_code = cl.area_code
AND r.cons_code = cl.cons_code
AND r.adtl = cl.adtl)
WHERE area_code = 1
tentatively area_code(1) is having 20,000 consumers
each consuemr may have 72 invoices and against these invoices it may have 200 rows in collection tables (system have provision to record partial payment against one invoice)
NOTE: Please note presently my process is based on cursors so the above query runs for one consumer at one time but just for giving an idea I have made it for whole area.
Mr. Yingkuan, can you please tell me how can I check that the table' statistics is not current and how can I make it current. Is it really effect performance?

Best practice for keeping a mail session open in web application?

Hello,
We have a webmail like application where users login with their IMAP credentials, then are taken to an authenticated area of the site where they can manage different things about their email account.
Right now the application is opening and closing a mail store connection (via a new javax.mail.Session) for each page load based on the current logged in user credentials. To me this seems like it would be a bad practice to keep opening and closing a connection each page load.
Are there any best practices for this situation? It would be nice to be able to open the connection to the mail server on login, then keep that connection open until the person logs out, session expires, etc.
I can probably put the javax.mail.Session into the HTTP session, but that seems like it would break any clustering functionality of tomcat. This would be fine if the machine the user is on didn't fail, but id assume if they failed over to another the mail session would be gone. Maybe keeping the mail session in the http session, checking for a connection, then first attempting to reconnect with the logged in credentials before giving up would be a possiblity?
Any pointers would be appreciated

If you keep the connection open across pages, you're going to need to deal with
timeouts - from the http session and from the mail server.
If you don't keep the connection open, you're going to need to "resynchronize"
your view of the store/folder with each operation, in case the folder is modified
by another session.
The former is easier in the common cases, especially if you don't care how gracefully
you handle failures. The latter is more difficult in the common cases, but handles
failure better, and in particular handles clustering better. You'll need to measure it to
see if it meets your performance and scalability requirements. You may need to mix
the two approaches to get acceptable performance.

Best practice for linking fields from multiple entity objects

I am currently transitioning from PHP to ADF. I'm looking for the best practice for linking data from multiple entity objects.
Example:
EO 'REQUESTS' has fields: req_id, name, dt, his_stat_id, her_stat_id
EO 'STATUSES' has fields: stat_id, short_txt_descr
'REQUESTS' is linked to EO 'STATUSES' on: STATUSES.stat_id = REQUESTS.his_status_id
'REQUESTS' is also linked to EO 'STATUSES' on: STATUSES.stat_id = REQUESTS.her_status_id
REQUESTS.his_status_id is independent of REQUESTS.her_status_id
When I create a VO for REQUESTS, I want to display: REQUESTS.name, REQUESTS.dt, STATUSES.short_txt_descr (for his_stat_id), STATUS.short_txt_descr (for her_stat_id)
What is the best practice for accomplishing this? It appears I could do it a few different ways:
1. Create the REQUESTS VO with a LOV for his_stat_id and her_stat_id
2. Create the REQUESTS VO with the join to STATUSES performed within the query for the VO. This would require joining on the STATUSES EO twice (his_stat_id, her_stat_id)
3. I just started reading about View Links - would that somehow do what I'm looking for?
I also need to be able to update his_status_id and her_status_id through the by selecting a STATUSES.short_txt_descr from a dropdown.
Any suggestions on how to approach such a stupidly simple task?
Using jDeveloper 11.1.2.2.0 if that makes a difference in the solution.
Thanks ahead of time,
CJ

CJ,
I vote for solution 1 as it's just your use case. As you said you what to update the his_status_id and her_status_id through the by selecting a STATUSES.short_txt_descr by a drop down. This is exactly the LOV solution.
ViewLinks are used fro master detail navigation (which you don't do here) and Joining the data make it difficult to update (and you still need a LOV for the drop down box.
Timo

Best Practice for Initial Load Data

Dear Experts,
I would like to know the best practices or factors to be concerned when performing initial load
For example,
1) requirement from business stakeholders for data analysis
2) age of data to meet tactical reproting
3) data dependency crossing sap modules
4) Is there any best practice for loading master data?

HI ,
check this links
Master Data loading
http://searchsap.techtarget.com/guide/allInOne/category/0,296296,sid21_tax305408,00.html
http://datasolutions.searchdatamanagement.com/document;102048/datamgmt-abstract.htm
Regards,
Shikha

Best practice for performing spell check in ADF

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