Strange behavior on updating...

Ok,
just a disclaimer.... I'm new to Workshop, total time I've been using it is about
two weeks...
I'm working with WLS 8.1 on Win2k. Some strange things happen during the day
while redeploying/updating the app. I have a simple pageflow that is retreiving
a list of data from my db and displaying it in a grid. The flow will work sometimes,
then if I update/repdeply from Workshop, it will fail.
If I restart or sometimes just change the jpf file, then redeploy it might work.
But if I'm just changin a jsp or css file... the error occurs.
Can I expect to just "update/repdeploy" all day while working in Workshop....
Or am I missing a step or two?
thanks,
John

Josh Eckels <[email protected]> wrote:
After you've run the JSP and the Start button is enabled in the .portal
file, do you get a dialog asking if you'd like to re-run the JSP, or
can you run the .portal file directly?I can run it directly. I tried to experiment more systematically today but was
only able to experience the problem immediately after starting workshop. Moreover,
it is not necessary
to actually run the JSP. It suffices to double-click it. That is: I start workshop,
double-click
the .portal file, start is disabled, I double-click a .jsp file, start is now
enabled, I immediately
double-click the .portal file, start is now enabled. Since the work-around is
so simple and quick, the problem doesn't bother me anymore :-).
This sounds like it's probably a deployment problem, [...]
If you see that dialog again, you may be able to get more specific
information about the current state of deployment in the WebLogic Server
console, or by starting without debugging and checking for an error message in the browser.I started to monitor closely what happens in the console during my build, deployment,
and start activities. I think you are right that when I experience unintended
effects in
workshop it is typically due to problems with deployments.
The question then remains what, in turn, causes these problems (incorrect deployment
by me
or by the system). By looking closer at the documentation and what actually happens
when
building, deploying and running applications, I can see that I have been (and
still is) a little
bit confused about exactly what is done under certain circumstances.
For instance, smart debugging only means that the current file is checked for
changes when
starting the debugger. Thus, if other files are updated, but not the current one,
the application
is apparently not rebuilt/redeployed. However, if the current file is changed,
there is a new
build and deployment, but based on the (short) time taken to perform this, it
does not look
like a total build (which takes much longer). Also, by looking in the console
during the
deployment, one can see that not all files are begin updated, as opposed to the
situation
when one performs a full build of the project or application. So, what happens
if both the current file and also other files are changed.
QUESTION: Are the changes on the other files taken into account, or ignored?
Another thing that might have caused confusion for me is that the application
is redployed automatically after a build, even if there were build errors. If
smart debugging afterwards entails that only part of the deployment is updated
then it is not clear to me that the result is sound. My conclusion is that a total
build should be done in this situation. In this connection I also wonder about
the following questions (that I have also posed in feedback to the online help
documentation):
QUESTION: is there any way to disable automatic deployment after a build?
QUESTION: is there any way to modify the behaviour so that the automatic deployment
only happens if there are no build errors? This would be nice, because deployment
takes quite long
time, and if it is known that the deployment is no good, it would be nice to avoind
it.
QUESTION: Is there any way to have only all changed files rebuild or redeployed,
instead of all (i.e. a generalization of smart-debugging to all changed files,
not just the current file).
QUESTION: you mention in your previous post that one might forget to build+deploy
after a clean. I did some experiments and also concluded that one must do this.
But what is the utility of the clean command then? Why not just do a redeploy
instead of clean+build+deploy?
Thanks for all the help!
M.

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Hi Experts,
I am finding a strange behavior of certain Z update function (to update equipment install base) : The update happens perfectly if I go into debug mode and do a F6 on the function call. But if I executed it completed without going in debug mode, that update does not happen!
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FUNCTION Z_B_BAPI_EQMT_INSTALLHR.
*"*"Local interface:
*"       IMPORTING
*"             VALUE(EQUIPMENT) LIKE BAPI_EQUI-EQUIPMENT
*"             VALUE(SUPEREQUI) LIKE BAPI_EQHR-SUPEREQUI
*"             VALUE(POSEQUI) LIKE BAPI_EQHR-POSEQUI OPTIONAL
*"             VALUE(DATE) LIKE SY-DATUM DEFAULT SY-DATUM
*"             VALUE(TIME) LIKE SY-UZEIT DEFAULT SY-UZEIT
*"             VALUE(COMMIT) LIKE VBMOD-VBMODE DEFAULT SPACE
*"       EXPORTING
*"             VALUE(EQUIMASTER) LIKE BAPI_EQUI STRUCTURE BAPI_EQUI
*"             VALUE(EQUITIME) LIKE BAPI_EQUZ STRUCTURE BAPI_EQUZ
*"             VALUE(EQUITEXT) LIKE BAPI_EQKT STRUCTURE BAPI_EQKT
*"             VALUE(EQUILOCATION) LIKE BAPI_ILOA
*"                             STRUCTURE BAPI_ILOA
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*"             VALUE(EQUIHIERARCHY) LIKE BAPI_EQHR
*"                             STRUCTURE BAPI_EQHR
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              MSG_TYPE   = 'E'
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    CALL FUNCTION 'MESSAGE_SET_AND_CONVERT'
         EXPORTING
              MSG_CLASS = 'IS'
              MSG_TYPE   = 'E'
              MSG_NUMBER = '498'
              MSG_PARM1 = 'EQUIPMENT'
         IMPORTING
              RETURN     = RETURN.
    EXIT.
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PERFORM EQUIPMENT_CHECK_VEQUI                             "P9CK056992
    USING                                                   "P9CK056992
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      I_CODE.   "<-error code                               "P9CK056992
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    CALL FUNCTION 'MESSAGE_CONVERT'
         EXPORTING
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         IMPORTING
              RETURN   = RETURN
         EXCEPTIONS
              OTHERS   = 1.
    EXIT.
ENDIF.
* Superior equipment must exist.
PERFORM EQUIPMENT_CHECK_VEQUI                             "P9CK056992
    USING                                                   "P9CK056992
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    CALL FUNCTION 'MESSAGE_CONVERT'
         EXPORTING
              SY_SUBRC = 4
         IMPORTING
              RETURN   = RETURN
         EXCEPTIONS
              OTHERS   = 1.
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            READ_SOBJ   = ' '
            READ_ROBJ   = ' '
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            POSEQUI     = POSEQUI
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       CHANGING
            S_EQUI      = NEW_VEQUI
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            ERR_INSTALL = 1
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       EXPORTING
            SY_SUBRC = I_CODE
       IMPORTING
            RETURN   = RETURN
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            OTHERS   = 1.
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    PERFORM EQUIPMENT_UNLOCK USING EQUIPMENT.               "P9CK056992
    EXIT.                                                   "P9CK056992
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PERFORM MOVE_VIEW_TO_EQUIPMENT USING NEW_VEQUI EQUIMASTER EQUITIME
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       EXPORTING
            COMMIT_MODE              = COMMIT
       EXCEPTIONS
            ERR_COMMIT_WORK_AND_WAIT = 1
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ENDFUNCTION.
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Strange behavior of select for update

I observed a strange behavior of "select .. for update" statement in binary xml table. Here is the piece of code:
create table xmltab of XMLType XMLTYPE store as binary xml;
Table created.
insert into xmltab values('<x><y>y1</y><z>z1</z></x>');
1 row created.
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
The following query doesn't return any row!!
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' for update;
no rows selected
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='b1' for update;
OBJECT_VALUE
<x>
<y>b1</y>
<z>z1</z>
</x>
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/z')='z1' for update;
OBJECT_VALUE
<x>
<y>b1</y>
<z>z1</z>
</x>
The following one returns correct result !!
select x.object_value, extractValue(x.object_value,'/x/y'), extractValue(x.object_value,'/x/z')
from xmltab x
where extractValue(x.object_value,'/x/y')='b1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
EXTRACTVALUE(X.OBJECT_VALUE,'/x/y')
EXTRACTVALUE(X.OBJECT_VALUE,'/x/z')
<x>
<y>b1</y>
<z>z1</z>
</x>
b1
c1
I get expected result for all the cases if the table is created in the following way
create table xmltab of XMLType;
Can anyone tell me why does select for update behaves in this strange way for binary xml table?

Sorry for copy paste problem. b1 should be replaced with y1 and c1 with z1.
Here is the correct code.
create table xmltab of XMLType XMLTYPE store as binary xml;
Table created.
insert into xmltab values('<x><y>y1</y><z>z1</z></x>');
1 row created.
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
The following query doesn't return any row!!
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' for update;
no rows selected
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' for update;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/z')='z1' for update;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
The following one returns correct result !!
select x.object_value, extractValue(x.object_value,'/x/y'), extractValue(x.object_value,'/x/z')
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
EXTRACTVALUE(X.OBJECT_VALUE,'/x/y')
EXTRACTVALUE(X.OBJECT_VALUE,'/x/z')
<x>
<y>y1</y>
<z>z1</z>
</x>
y1
z1
I get expected result for all the cases if the table is created in the following way
create table xmltab of XMLType;
Can anyone tell me why does select for update behaves in this strange way for binary xml table?

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Message was edited by:
user552073

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Igor_G5 wrote:
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            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2)
                System.out.println("Opt 1.1 AND Opt 2.1 changed to: " + arg2);
    private void useBinding3() // NOT WORKING - ChangeListener.changed(..) is not called
        BooleanBinding l_andOpt11Opt21 = opt11.selectedProperty().and(opt21.selectedProperty());
        new SimpleBooleanProperty(false).bind(l_andOpt11Opt21);
        l_andOpt11Opt21.addListener(new ChangeListener<Boolean>()
            @Override
            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2)
                System.out.println("Opt 1.1 AND Opt 2.1 changed to: " + arg2);
    public static void main(String[] args)
        launch(args);
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.paint.*?>
<BorderPane id="BorderPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefWidth="371.0" xmlns:fx="http://javafx.com/fxml">
<center>
    <AnchorPane prefHeight="200.0" prefWidth="200.0">
      <children>
        <Label id="lblAnd" fx:id="lbl11And21" layoutX="82.0" layoutY="121.0" text="Group1 Opt1 AND Group2 Opt1 is true" textFill="#41cc00" visible="false" />
        <RadioButton fx:id="opt21" layoutX="216.0" layoutY="24.0" mnemonicParsing="false" text="Group 2 - Opt 1">
          <toggleGroup>
            <ToggleGroup fx:id="group2" />
          </toggleGroup>
        </RadioButton>
        <RadioButton fx:id="opt22" layoutX="216.0" layoutY="67.0" mnemonicParsing="false" text="Group 2 - Opt 2" toggleGroup="$group2" />
        <RadioButton fx:id="opt11" layoutX="29.0" layoutY="24.0" mnemonicParsing="false" text="Group 1 - Opt 1">
          <toggleGroup>
            <ToggleGroup fx:id="group1" />
          </toggleGroup>
        </RadioButton>
        <RadioButton fx:id="opt12" layoutX="29.0" layoutY="67.0" mnemonicParsing="false" text="Group 1- Opt 2" toggleGroup="$group1" />
      </children>
    </AnchorPane>
</center>
</BorderPane>
What I need for my application is the use case in useBinding1(), i.e., a BooleanBinding where several listeners are attached to. The problem is that I never get a callback in the ChangeListener if one of the RadioButton.selectedProperty() is changed.
Now I tried what happens if I use the same BooleanBinding for another binding to a property plus the listener, now the listener gets callbacks as expected! (see useBinding2() )
Than I thought may be Bindings must be bound in order to trigger listeners and tried useBinding3() where I bind the BooleanBinding to a new BooleanProperty, in this case the listener doesn't get callback anymore...
And now I'm very frustrated and hope that anyone out there can help me to understand this strange behavior.
Thanks a lot!
WhiteAntelope

All these work just fine for me: the listeners are all called as expected. Note that the listener is only invoked when the value of the binding actually changes, which doesn't happen every time a radio button is pressed. (For example, if both buttons are unselected, the binding is false. If one button is selected, the binding remains false and the listener is not invoked. When the second button is selected, the binding becomes true, and the listener is invoked.)

Strange behavior of Content area

Hello everybody,
I'm working with Portal 3.0.8. I've installed czech language on it.
What did I do is:
1) I made new look for my navigation bar (new image and basic items). And it worked fine. I worked in English!
2) Change language to Czech.
3) Show my content area and there were old items on navigation bar. But style was new. If I navigate to any sub-folder, the look is OK. In the root folder I can't change anything. I can add new items only, though it is possible to see them only when I work in English.
Does anybody know the reason of this strange behavior and what I should do? Thanks for your help!
Petra :-)
P.S.: You can use this email address: [email protected]

Sorry for copy paste problem. b1 should be replaced with y1 and c1 with z1.
Here is the correct code.
create table xmltab of XMLType XMLTYPE store as binary xml;
Table created.
insert into xmltab values('<x><y>y1</y><z>z1</z></x>');
1 row created.
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
The following query doesn't return any row!!
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' for update;
no rows selected
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' for update;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
select x.object_value
from xmltab x
where extractValue(x.object_value,'/x/z')='z1' for update;
OBJECT_VALUE
<x>
<y>y1</y>
<z>z1</z>
</x>
The following one returns correct result !!
select x.object_value, extractValue(x.object_value,'/x/y'), extractValue(x.object_value,'/x/z')
from xmltab x
where extractValue(x.object_value,'/x/y')='y1' and
extractValue(x.object_value,'/x/z')='z1' ;
OBJECT_VALUE
EXTRACTVALUE(X.OBJECT_VALUE,'/x/y')
EXTRACTVALUE(X.OBJECT_VALUE,'/x/z')
<x>
<y>y1</y>
<z>z1</z>
</x>
y1
z1
I get expected result for all the cases if the table is created in the following way
create table xmltab of XMLType;
Can anyone tell me why does select for update behaves in this strange way for binary xml table?

Strange behavior of Windows Azure Compute Emulator (SDK 2.3)

Today, after an update of the Azure SDK from 2.2 to 2.3, I noticed that only one of the two instances of my web role is started in
the Azure Compute Emulator, the output of the Start-AzureEmulator is this:
VERBOSE: Starting Emulator...
VERBOSE: Role is running at http://127.0.0.1:81/
Role is running at tcp://127.0.0.1:3389/
Role is running at tcp://127.0.0.1:3389/
VERBOSE: Started
and only one instance is started in the Azure Compute Emulator.
But in the past was something similar to this one:
VERBOSE: Starting Emulator...
VERBOSE: Role is running at http://127.0.0.1:81/
http://127.0.0.1:82/
Role is running at tcp://127.0.0.1:3389/
Role is running at tcp://127.0.0.1:338/
VERBOSE: Started
and two instances were started.
I already found this thread:
http://stackoverflow.com/questions/13946634/strange-behavior-of-windows-azure-compute-emulator-sdk-1-8-with-multiple-role
but it was not useful in my case (Microsoft.WindowsAzure.Common.WorkArounds.BindToAllIpsWorkAroundEnabled is False).
Thanks in advance for any help.
OS: Windows 8.1
Azure SDK: 2.3
Azure Compute Emulator: 2.3.0.0

Hi,
As far as I know, powershell didn't have a parameter to start azure emulator with full express, please try to use Command-line to test, refer to
http://msdn.microsoft.com/en-us/library/gg433130.aspx for more details, if this didn't give you help, please feel free to let me know.
Best Regards,
Jambor
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JDEV Team: Strange behavior in TOMCAT using DATATAGS (VERY CRITICAL)

I am encountering some strange behavior when I deploy my application to TOMCAT.
If I run in JDeveloper (webtogo) everything works fine but the behavior changes completely in TOMCAT.
Let me try and explain my situation here.
I have 3 jsps :
1.iss_listApps.jsp which is used to browse all the available records, allows the user to navigate to a specific record and edit or delete.
2. app_edit.jsp which is used to edit/delete a specific row passed from iss_listApps.jsp.
3. app_edit_post.jsp which is used to save the changes.
Note that I use an anchor ">Edit</a> to pass a row from the browser page to the edit page.
For your convenience I have listed all the source files below.
Now here are my problems:
Problem 1. If I run it in JDeveloper, I am able to browse the records and go to a specific record to edit and delete by clicking on the "Edit" anchor provided in the browser page.
I can also go to the edit page and backout out of it by not saving the changes. In that case I am back in my browser page and I can again click on the "Edit" anchor to a specific record.
However if I am in TOMCAT, I am able to browse and go to a specific record so long as I make changes to it and save it. If for any reason, I do not save a record and I go back to my browser
page then any subsequent calls to to edit a specific record goes to the same OLD RECORD that I did not save.
I fail to understand why? Maybe the "webtogo" server automatically refreshes when I click on the "back tab". If so, how do I automatically refresh a jsp page when I click on the "back tab" in TOMCAT.
I would sincerely appreciate any help on this.
Problem 2. I have an include jsp tag in my browser page. defined as
<jsp:include page="Message.jsp" flush="true">
<jsp:param name="colspan" value="2"/>
</jsp:include>.
This section of the code is currently commented out because if I uncomment it then it runs ok in JDeveloper but in Tomcat it causes the browser page to always navigate to the first record if I want to edit a specific record.
I would sincerely appreciate any answer on this.
Here are my source files:
1. iss_ListApps.jsp (browser page). Please see how the anchor is formed. It causes no problems
in JDeveloper.
<%@ page contentType="text/html;charset=WINDOWS-1252"%>
<HTML>
<base target="contentsframe">
<head>
</head>
<body>
<%@ taglib uri="/webapp/DataTags.tld" prefix="jbo" %>
<jbo:ApplicationModule id="NewBC4J.NewBC4JModule" configname="NewBC4J.NewBC4JModule.NewBC4JModuleLocal" username="issue" password="issue"/>
<jbo:RollBack appid="NewBC4J.NewBC4JModule" />
<jbo:DataSource id="app_vo" appid="NewBC4J.NewBC4JModule" viewobject="ApplicationsView" ></jbo:DataSource>
<jbo:RefreshDataSource datasource="app_vo" />
<table width="100%" bgcolor="tan" border="0" align="center" cellpadding="3" cellspacing="0">
<%--
<jsp:include page="Message.jsp" flush="true">
<jsp:param name="colspan" value="2"/>
</jsp:include> --%>
<form name="list" target="body" action="app_edit.jsp" method="post">
<tr><th colspan="4">List of Valid Applications</th></tr>
<tr>
<th> </th>
<th align="left"><u>Code</u></th>
<th align="left"><u>Name</u></th>
<th align="left"><u>Description</u></th>
</tr>
<tr>
<jbo:RowsetIterate datasource="app_vo">
<td>
<a href="app_edit.jsp?RowKeyValue=<jbo:ShowValue datasource="app_vo" dataitem="RowKey"/>">Edit</a>
</td>
<td>
<jbo:ShowValue datasource="app_vo" dataitem="Code" />
</td>
<td>
<jbo:ShowValue datasource="app_vo" dataitem="Name" />
</td>
<td>
<jbo:ShowValue datasource="app_vo" dataitem="A ppDesc" />
</td>
</tr>
</jbo:RowsetIterate>
</form>
</table>
<table width="100%" bgcolor="skyblue" align="center" cellpadding="10" cellspacing="0" >
<tr>
<form NAME="AddForm" action="app_add.jsp">
<td>
<input type = "submit" name="submit" value="Add" align="center" >
</td>
</form>
</tr>
</table>
</body>
<jbo:ReleasePageResources releasemode="Stateful" appid="NewBC4J.NewBC4JModule" />
</html>
2. Second Source File: app_edit.jsp (Allows editing of a record)
<%@ page contentType="text/html;charset=WINDOWS-1252"%>
<HTML>
<base target="contentsframe">
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=WINDOWS-1252">
<META NAME="GENERATOR" CONTENT="Oracle JDeveloper">
<TITLE>
</TITLE>
</HEAD>
<BODY>
<%@ taglib uri="/webapp/DataTags.tld" prefix="jbo" %>
<jbo:ApplicationModule id="NewBC4J.NewBC4JModule" configname="NewBC4J.NewBC4JModule.NewBC4JModuleLocal" />
<jbo:DataSource id="app_vo" appid="NewBC4J.NewBC4JModule" viewobject="ApplicationsView" />
<jbo:Row id="myrow" datasource="app_vo" rowkeyparam="RowKeyValue" action="Find">
<jbo:SetAttribute dataitem="*"/>
</jbo:Row>
<table width="100%" bgcolor="skyblue" border="0" align="center">
<tr>
<td>
<table width="100%" bgcolor="tan" border="0" align="center" cellpadding="3" cellspacing="0">
<form NAME="iForm" action="app_edit_post.jsp">
<tr>
<th colspan="2">
"Edit/Delete Applications"
</th>
</tr>
<jsp:include page="Message.jsp" flush="true">
<jsp:param name="colspan" value="2"/>
</jsp:include>
<tr>
<td align="right"><b><font color="red"> Name:</font></b></td>
<td> <jbo:InputText datasource="app_vo" dataitem="Name" cols="50" />
</td>
</tr>
<tr>
<td align="Right"><b><font color="red"> Description: </font></b></td>
<td> <jbo:InputTextArea datasource="app_vo" dataitem="AppDesc" cols="50" rows="5" />
</td>
</tr>
</table>

<table width="100%" bgcolor="skyblue" align="center" cellpadding="10" cellspacing="0" >
<tr>
<input name="RowKeyValue" type="hidden" value="<jbo:ShowValue datasource="app_vo" dataitem="RowKey"/>" />
<td>
<input type = "submit" name="submit" value="Save">
</td>
</form>
<form NAME="DelForm" action="app_del_post.jsp">
<input name="RowKeyVal" type="hidden" value="<jbo:ShowValue datasource="app_vo" dataitem="RowKey"/>" />
<td>
<input type = "submit" name="submit" value="Delete">
</td>
</form>
</tr>
</table>
</td>
</tr>
</table>
</BODY>
</HTML>
<jbo:ReleasePageResources releasemode="Stateful" />
3. Third source file app_edit_post.jsp (ALlows saving the changes made to a specific record)
<%@ page contentType="text/html;charset=ISO-8859-1"%>
<HTML>
<BODY>
<%@ taglib uri="/webapp/DataTags.tld" prefix="jbo" %>
<jbo:ApplicationModule id="NewBC4J.NewBC4JModule" configname="NewBC4J.NewBC4JModule.NewBC4JModuleLocal" />
<jbo:DataSource id="app_vo" appid="NewBC4J.NewBC4JModule" viewobject="ApplicationsView" ></jbo:DataSource>
<%
try
%>
<jbo:Row id="row3" datasource="app_vo" rowkeyparam="RowKeyValue" action="Update" >
<jbo:SetAttribute dataitem="*" />
</jbo:Row>
<jbo:Commit appid="NewBC4J.NewBC4JModule" />
<p><font face="Arial, Helvetica, sans-serif"><b><font color="006699">Application Successfully Updated</b></font></font> </p>
<%
catch(Exception exc)
out.println("<pre> ");
exc.printStackTrace(new java.io.PrintWriter(out));
out.println("</pre>");
%>
<br>
<br>
<form action="app_ListApps.jsp" method="post"><input type="submit" value="Click to Continue"></form
<jbo:ReleasePageResources releasemode="Stateful" />
</BODY>
</HTML>
null

I would not expect the 'back' button to automatically refresh the page. This button basically traverses the history of pages. Since Tomcat is caching your pages, you can try to control it's interaction with the browser by:
1. Adding cache control pragmas to the returned content so it doesn't get cached.(look at www.w3c.org at the HTTP spec)
2. dont rely on the back button, place a link on your pages to go back to the list page.
3. change your cache control settings in your browser to check for a new page every time a url is visited.

Strange behavior on updating...

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