How to avoid Moved Temporarily page

Hi,
In my app, I use jsp with servelet, and the servelet acts as the "traffic cop", that is, the users fill up the form in jsp pages, and the jsp pages are submitted (post) to this servelet, this servlet do some work by calling other helper class and get the next jsp page to present, and use response.sendRedirect(page). The problem is the "sendRedirect" method, some user complain that they submit the form and got a page says "The document you reqested has moved temporarily" and there is a link, after the user clisk the link, it got the right page, and do another submit for next step, the same thing happed aggain.
I checked the log file, the form post returns 302 code, and the next page (redirected by sendRedirect method) is invoked as GET and returns 200.
what can I do to avoid the problem some user has by presenting the page directly?
Thanks

If you use "forward" instead of "redirect" that won't happen. It might even be a better design, since redirecting displays a URL in the browser's address bar that the client can use to go directly to the JSP instead of through your traffic cop.

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How to avoid submitting a page when tabular form rows are empty

Hi,
I have a master detail form in my application. There are 2 tables that are used Table A and Table B. Table A contains Ticket number and Table B refers to Table A through a foriegn key and Table B have columns like Date,Name, Age, ticket_id (that refers to the ticket_number of the Table A).
This is how the application works:
In a page there is a field for Ticket Number, once the user enters the Ticket Number and click Add Details, a tabular Form with 5 empty field appears... (Done through Page Process->Data Manipilation->Add Rows)
This form contains fields Date, Name and Age. Once the user fills in all the details and click Submit button, the page is submitted. Whatever values that was entered is saved in Table B. Page Sucess message appears. This works fine.
But once the Ticket Number is entered and Add Details is clicked, and without entering the values in the Tabular Form, if Submit button is clicked, there is no error showing up neither I see Page success message. But this should not be allowed. There should be some error showing up...
Tabular Form Validations works only when user enters some values in the Tabular Form and click Submit. For the above scenario, where the form is untouched the validation doesnt work.
How can I get this done? Any ideas?

Hello Suzi,
>> if (document.wwv_flow==null)
The document.wwv_flow is an object representing the current form that was just rendered on your screen. As such, it can never be null.
>> How to avoid submitting a page when tabular form rows are empty
The correct way, especially for versions prior to APEX 4.0 is to use JavaScript, but for that, you need to know and understand how APEX generates your tabular form, HTML wise.
To be very brief, APEX attached a unique ID to every updatable cell in the tabular form, using a certain pattern – each updatable column is getting a unique name (e.g. ‘f01’,’f02’ etc.) and the ID of a cell is a combination of this name with the serial row number the cell is on. For example, a cell on the third row in an updatable column called ‘f04’ will be given an ID of f04_0003. (More detailed explanation, with an example, can be found in my book).
What you should do is to check these cells according to your validation policy (e.g. is all five row must be filled, is all the columns in a specific row must be filled, etc.).
Regards,
Arie.
&diams; Please remember to mark appropriate posts as correct/helpful. For the long run, it will benefit us all.
&diams; Author of Oracle Application Express 3.2 – The Essentials and More

How to avoid present 302 page

          Hi,
          In my app, I use jsp with servlet, and the servlet acts as the "traffic cop",
          that is, the users fill up the form in jsp pages, and the jsp pages are submitted
          (post) to this servlet, this servlet do some work and get the next jsp page to
          present, and use response.sendRedirect(page). The problem is the "sendRedirect"
          method, some user complain that they submit the form and got a page says "The
          document you reqested has moved temporarily" and there is a link, after the user
          clisk the link, it got the right page.
          I checked the log file, the form post returns 302 code, and the next page (redirected
          by sendRedirect method) is invoked as GET and returns 200.
          I thought about the forward, but the images in the jsp all has relative path,
          so the call will be /myservelt/images/...gif. That doesn't work.
          what can I do to avoid the problem and send the page directly?
          Thanks


          Thanks. I still can't have a good idea how to deal with. By reading it I may set
          the status code to 303 and get the post to be auto redirected, but this is the
          http1.1 new feature, I don't know what's the percentage of browsers support http1.1.
          I am assuming the older version browsers is for http1.0
          "Deepak Vohra" <[email protected]> wrote:
          >
          >For status codes refer to
          >http://www.apl.jhu.edu/~hall/java/Servlet-Tutorial/Servlet-Tutorial-Response-Status-Line.html
          >
          >
          >"John" <[email protected]> wrote:
          >>
          >>Hi,
          >>
          >>In my app, I use jsp with servlet, and the servlet acts as the "traffic
          >>cop",
          >>that is, the users fill up the form in jsp pages, and the jsp pages
          >are
          >>submitted
          >>(post) to this servlet, this servlet do some work and get the next jsp
          >>page to
          >>present, and use response.sendRedirect(page). The problem is the "sendRedirect"
          >>method, some user complain that they submit the form and got a page
          >says
          >>"The
          >>document you reqested has moved temporarily" and there is a link, after
          >>the user
          >>clisk the link, it got the right page.
          >>
          >>I checked the log file, the form post returns 302 code, and the next
          >>page (redirected
          >>by sendRedirect method) is invoked as GET and returns 200.
          >>
          >>I thought about the forward, but the images in the jsp all has relative
          >>path,
          >>so the call will be /myservelt/images/...gif. That doesn't work.
          >>
          >>what can I do to avoid the problem and send the page directly?
          >>
          >>Thanks
          >

How to avoid starting a page with line breaks?

Hello. I've just started to refine my Master's thesis and some of the topics moved up and down as I edited their contents. The problem is that in some cases the topic breaks right after the title, and the rest of the contents just move away to another page. Is there any way to avoid starting a page with line breaks or broken topics?

At the end of your title, you didn't inserted a line break but a paragraph break (carriage return).
Acivate the mode "Show hidden characters"
Select the carriage return (paragraph break)
Delete it
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Thanks for the suggestion.
We used to do this in the past, but this yields a host of other issues including:
* no control over when getters get called and in what order
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etc.
@PostConstruct is a great standard-based option to get a bean initialized early in the JSF lifecycle, but there's just this one issue with commandLink that's problematic... :(
We're sometimes using Shale's prerender callback, which is not invoked on a postback, but I was hoping there was maybe a standard-based solution?

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<MOVED TO CORRECT FORUM BY MODERATOR>
Edited by: Alvaro Tejada Galindo on Apr 15, 2009 8:49 AM

Hi Micky,
The external debugging works. Thank you very much!
And how can I reward you?

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Hi,
Just check it out. I m printed report directly instead of display.
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How to avoid blank page in the report?

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How to avoid printing a blank page when there is 'no data' in the report.

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Hello Experts,
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