APEX Documentation Bug: APEX_UTIL.CLEAR_PAGE_CACHE

For APEX Team (documentation)..
APEX_UTIL.CLEAR_PAGE_CACHE says the parameter is p_page when it should be p_page_id.
Martin

Martin - Thanks.
Scott

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APEX 4.1 APEX_UTIL.CLEAR_PAGE_CACHE Bug

Hi,
I found the following issue in APEX 4.1. It's easiest described with an example:
Before going into a page process suppose P1_X = 'abc' in session state;
-- First page process (coming in P1_X = 'abc')
l_backup := :P1_X;
apex_util.clear_page_cache(:app_page_id);
:P1_X := l_backup;
-- Second page process (following the page process above)
-- This prints the value of P1_X to the screen
sys.htp.p(':P1_X: ' || nvl(:P1_X, 'null'));
-- Results:
-- APEX 4.0: (expected value)
:P1_X: abc
-- APEX 4.1 (incorrect)
:P1_X: nullIf I change +:P1_X := l_backup;+ line to apex_util.set_session_state('P1_X', l_backup); the output is:
-- Results (correct):
-- APEX 4.0:
:P1_X: abc
-- APEX 4.1
:P1_X: abcIf I change the +:P1_X := l_backup;+ line to +:P1_X := 'def';+ the output is:
-- Results (correct):
-- APEX 4.0:
:P1_X: def
-- APEX 4.1
:P1_X: defIt appears in 4.1 that any time a page item is set following a clear cache call (this issue also happens for clear_app_cache) and the page item value is the same as it was before the clear cache value (using a bind variable set) then its value is null in session state once the page process completes.
This was found in APEX version 4.1.1.00.23 and compared against 4.0.2.00.09
Martin
http://www.ClariFit.com
http://www.TalkApex.com
Edited by: Martin Giffy D'Souza on Oct 5, 2012 3:36 PM

Hi Martin,
thanks for reporting this. This change was introduced during a code reorg in 4.1.
The reason for the current behaviour is our dynamic code exec implementation:
1. create cursor and parse as user
2. for all bind variables:
3.      save session state value in local variable array
4.      bind local value in cursor
5. execute cursor
6. for all bind variables:
7.     if current bind value is different to local variable array value:
8.         save current value in session state Step 7 only detects a change if the bind variable value itself has been modified in the dynamic pl/sql block. I filed bug #14731783 to fix this, but we will probably ship it with the first patch set.
As a work-around, you should be able to use
l_backup := :P1_X;
apex_util.clear_page_cache(:app_page_id);
apex_util.set_session_state('P1_X', l_backup);
which does not rely on the dynamic code exec for writing back the original value of P1_X.
Regards,
Christian

APEX documentation bug: Application Builder User's Guide

Oracle® Application Express Application Builder User's Guide Release 4.0, chapter 12
>
Viewing Debug Deports
>
Should read "Viewing Debug Reports".

Thank you for noting this. I've passed the information along to the Application Express writers.

Documentation bug- -Djava.security.policy==weblogic.policy?

All,
According to the documentation, an example of invoking weblogic server
from the command line for JDK1.2 is as follows:
JDK 1.2 (Java 2) example
$ java -ms64m -mx64m -classpath c:/weblogic/classes/boot
-Dweblogic.class.path=c:/weblogic/classes;
c:/weblogic/license;c:/weblogic/lib/weblogicaux.jar;
c:/weblogic/myserver/serverclasses
-Djava.security.manager
-Djava.security.policy==c:/weblogic/weblogic.policy
weblogic.Server
Is the property
-Djava.security.policy==C:/weblogic/weblogic.policy
correct in that there are 2 equals signs? Should this be rather:
-Djava.security.policy=C:/weblogic/weblogic.policy?
It seems as if either works, I just wanted to clarify, as I've noticed
our startup scripts use the former and not the latter.
Thanks,
Ben

Hi Ben,
the doc is correct, there is a semantic difference between '==' and '=',
check
http://java.sun.com/j2se/1.3/docs/guide/security/spec/security-spec.doc3
.html for details.
Daniel
-----Ursprüngliche Nachricht-----
Von: Benjamin D. Engelsma [mailto:bengelsm@NO_SPAM.gfs.com]
Bereitgestellt: Mittwoch, 4. April 2001 16:30
Bereitgestellt in: environment
Unterhaltung: Documentation bug->
-Djava.security.policy==weblogic.policy?
Betreff: Documentation bug-> -Djava.security.policy==weblogic.policy?
All,
According to the documentation, an example of invoking weblogic server
from the command line for JDK1.2 is as follows:
JDK 1.2 (Java 2) example
$ java -ms64m -mx64m -classpath c:/weblogic/classes/boot
-Dweblogic.class.path=c:/weblogic/classes;
c:/weblogic/license;c:/weblogic/lib/weblogicaux.jar;
c:/weblogic/myserver/serverclasses
-Djava.security.manager
-Djava.security.policy==c:/weblogic/weblogic.policy
weblogic.Server
Is the property
-Djava.security.policy==C:/weblogic/weblogic.policy
correct in that there are 2 equals signs? Should this be rather:
-Djava.security.policy=C:/weblogic/weblogic.policy?
It seems as if either works, I just wanted to clarify, as I've noticed
our startup scripts use the former and not the latter.
Thanks,
Ben

DOCUMENTATION BUG: Broken link in APEX 4.0 API Reference

In the See also section of the <tt>apex_util.remove_preference</tt> method, the *"Managing Session State and User Preferences"* link is dead:
olink:AEADM110|Managing%20Session%20State%20and%20User%20Preferences

The broken lin in APEX 4.0 API Reference has been corrected. The latest updated version of this document is now available on the Oracle Technical Network (OTN).
Thanks for reporting the bug,
Drue Swadener
Principal Technical Writer

Apex 4 JavaScript API documentation bug

Hi,
JavaScript API documentation have exactly same description for functions
$f_Hide_On_Value_Item
$f_Show_On_Value_Item
>
Checks an page item's (pThis) value against a value (pValue). If it matches, a DOM node (pThat) is set to hidden. If it does not match, then the DOM node (pThat) is set to visible.
>
And also functions have same description
$f_Hide_On_Value_Item_Row
$f_Show_On_Value_Item_Row
>
Checks the value (pValue) of an item (pThis). If it matches, this function hides the table row that holds (pThat). If it does not match, then the table row is shown.
>
I think that is not correct
http://download.oracle.com/docs/cd/E17556_01/doc/apirefs.40/e15519/javascript_api.htm#CHDHIAJB
Somehow I recall there has been post about this, but I can not find it.
Regards,
Jari

The description of these functions have been corrected. The latest updated version of this document is now available on the Oracle Technical Network (OTN).
Thanks for reporting the bug,
Drue Swadener
Principal Technical Writer

Documentation bug/typo in Apex 4 workspace export

To someone on the Apex dev team:
I just did a workspace export from Apex 4, and noted the following remark near the top of the generated file:
This script can be run in sqlplus as the owner of the Oracle Apex owner.I can't make any sense of that statement. I know I can run the script as SYS, and perhaps as a used with the APEX_ADMINISTRATOR_ROLE, but I'd like the generated text in the script to be corrected/clarified.
Thanks!
- Morten
http://ora-00001.blogspot.com

Bump.
- Morten
http://ora-00001.blogspot.com

APEX 4 - Bug - default jQuery UI Datepicker - minDate maxDate

Hi,
I came across a strange bug in my dev environment and I was able to reproduce it on apex.oracle.com.
http://apex.oracle.com/pls/apex/f?p=696969:1
All datepicker items (even in tabular form) following a datepicker item with a minDate and maxDate will share the same date range.
Thanks in advance to the APEX dev team.
Louis-Guillaume
http://www.lgcarrier.com
http://www.apexframework.com

Hi,
Thanks for the support.
Here's a piece of JavaScript code that I run on page load using a Dynamic Action.
function set_date_pickr_read_only() {
apex.jQuery("input[name='f03']").attr('readonly','true');
set_date_pickr_read_only();
gNewRowDatePicker = 'apex.widget.datepicker("#f03_0000", { buttonImage: "/i/asfdcldr.gif", buttonImageOnly: true,"buttonText":"Calendar","minDate":new Date(apex.item("P3_MINM_WEEK_DATE_JS").getValue()),"maxDate":new Date(apex.item("P3_MAXM_WEEK_DATE_JS").getValue()),"showTime":false,"defaultDate":new Date(apex.item("P3_MINM_WEEK_DATE_JS").getValue()),"showOn":"both","showOtherMonths":true,"changeMonth":true,"changeYear":true}, "DD, d MM, yy", "en-ca")';
addRow_orgn = addRow;
addRow = function() {
addRow_orgn();
set_date_pickr_read_only();
apex.jQuery("input[name='f03']").datepicker("option", "minDate", new Date(apex.item("P3_MINM_WEEK_DATE_JS").getValue()));
apex.jQuery("input[name='f03']").datepicker("option", "maxDate", new Date(apex.item("P3_MAXM_WEEK_DATE_JS").getValue()));
Louis-Guillaume Carrier-Bédard
http://www.lgcarrier.com
http://www.apexquebec.com
http://www.apexframework.com

APEX 4 Bug: Wrong quickpicks in Item Page's Read Only section

This bug is an easy one
In Edit Page Item page, Read Only section, the predefined option list (now quickpicks) is as follows:
[PL/SQL] [item=value] [item not null] [request=e1] [page in] [page not in] [exists] [none] [never]
But if you look carefully, Conditions section has same quickpicks. Right quickpicks for Read Only should be:
[PL/SQL] [item=value] [item not null] [request=e1] [page in] [page not in] [exists] [always] [never]
Best regards.
Oscar

Hi Oscar,
this problem has already been filed as bug# 9752881 and will be addressed in a future release.
Thanks
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins

Documentation bug - "creating an about box" in wrong topic

I think I found a small error in the documentation for LabVIEW 2012. Under the Index tab, find 3D Surface. For some reason, the topic "Creating an About Dialog Box for a Stand-Alone Application" is listed under it, even though it has nothing to do with the 3D Surface plot. See attached image.
Solved!
Go to Solution.

Hi nathand,
Thanks for the freedback. I will make sure this bug gets reported to the correct poeple and fixed.
TimC
National Instruments
Applications Engineer

Apex 4 - Bug - Button image automatically adding /i/ at the beginning

Hi,
APEX generates a /i/ at the beginning of the image path if you don't start your input value with a slash (*/*).
Steps to reproduce the bug
-Create a regular button.
-Modify the button properties (attributes)
-Set Button Style to image
-Set Button Image to *&A_APP_FOLDR.icon_editn.png* (should render: /res/app01/images/icon_editn.png)
The result is: <img border="0" alt="Éditer" src="*/i//res/saf/icon_editn.png*">
Notice the */i/* at the beginning.
Now, if I do the same but I add a slash before my bind variable.
-Set Button Image to */&A_APP_FOLDR.icon_editn.png*
The result is: <img border="0" alt="Éditer" src="*//res/saf/icon_editn.png*">
I know how to workaround this one. ;) But I am looking for a permanent fix.
Thanks in advance to the APEX dev team for the proper correction.
Louis-Guillaume
http://www.lgcarrier.com
http://www.apexframework.com

This workaround seems to work for region buttons but not for item buttons. Item buttons still have the /i/ prepended to them.

Documentation bug?

Is the documentation right when it states that the getKeyPartition mathod must be in the range [0..N), where N is the value returned from PartitionedService.getPartitionCount()? I would have guessed it should be in the range [0 .. N - 1]?
/Magnus

Hi Magnus,
With the set notation on the page linked by Rob, [0..N) and [0..N-1] are equivalent (for integers).
For example, if N=3 (partitions) then:
* [0..N) represents the set {0, 1, 2}
* [0..N-1] also represents the set {0, 1, 2}
Using your example, the code should be "xxx % PartitionedService.getPartitionCount()" (or an appropriate equivalent).
Of course, that same page also points out that ")" is rarely used with integer intervals. And I agree that it would be more clear to use the closed interval notation [0..N-1]. I'll enter an enhancement request for the javadoc.
Jon Purdy
Oracle

For the apex-team : bug in apex ???

Hi apex-team,
if i make a master-detail report i can choose between a result of two pages (master and detailmaster with mru for the detail) , or a result with three pages (master, detailmaster with a report of detailtabel and a form for the detail-table.
apex creates in both cases but in the second situation (three pages) on the third page it's impossible to add a detail. (in the result with two pages everything works fine).
both apex verson 2.2 and version 3.
just to inform you.
regards!
Leo

Leo:
That is a good point. The home page is using a derived column, and the HTML Expression for the column formatting. That must escape the HTML.
I think the fix for a future release would be to not use that derived column, and just use a standard report with a custom template. It is also possible that for announcements and tasks it is more appropriate to use a standard Textarea instead of Textarea with HTML Editor.
Thanks for your feedback,
Jason

APEX 4 Bug: IR's csv export includes extra div

Hi
In IR export, csv files includes a pair of extras /div at final end.
Clasic Reports has no problems with csv export
Tested in apex.oracle.com
Oscar

To provide a bit more information it's not just some extra div tags. Any extra HTML that appears after the #BODY# variable in a Region Template is included in the csv export.
Martin
Martin
http://www.talkapex.com

APEX 5 Bug? Change Col order ends in Error processing update. ORA-01403: no data found

Hi ,
i have successfully migrated my 5 apps to apex 5 yeah. Wow, Migration was complted in 15 mins !
But now i have Problem: I have a classic report and want to chage the column order.
But i always get a
Error processing update.
ORA-01403: no data found
Any Workarounds ?
Thanks
Marco

Hi Patrick,
the Copy App crashes with
ORA-06550: line 79, column 18: PLS-00103: Encountered the symbol "WHERE" when expecting one of the following: ) , * & = - + < / > at in is mod remainder not rem => <an exponent (**)> <> or != or ~= >= <= <> and or like like2 like4 likec between || multiset member submultiset
Execution of the statement was unsuccessful. ORA-06550: line 79, column 18: PLS-00103: Encountered the symbol "WHERE" when expecting one of the following: ) , * & = - + < / > at in is mod remainder not rem => <an exponent (**)> <> or != or ~= >= <= <> and or like like2 like4 likec between || multiset member submultiset
begin wwv_flow_api.create_list_of_values( p_id=>wwv_flow_api.id(23215926281374548)
Thanks for help !
Marco

APEX Documentation Bug: APEX_UTIL.CLEAR_PAGE_CACHE

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