Return; after RequestDispatcher.forward();

I notice that some examples using return; keyword right after the line with RequestDispatcher.forward(request, response);
Can anyone pls explain when and why we do this?

Thanks a lot BalusC. Can't believe I am so damn dumb not noticing that there were more codes after that block of codes....

Similar Messages

Proper use of RequestDispatcher.forward()

I have a servlet, and want to forward on to an error JSP page for
          exceptions. Is RequestDispatcher.forward() supposed to return to the
          source servlet when the target is finished?
          I am using a return to stop the source servlet when the target is
          finshed. Is this the correct behavior? Isn't this behavior very
          similar to to include(), or is the only difference that include() does
          not clear the source servlet's response buffer?
          TIA,
          Alex


Alexander,
          The forward kindof has to return to the source servlet because that's
          where it's called from(unless it threw an exception). A servlet that
          performs a forward is meant to do preliminary processing of the request and
          allow another resource to generate the response. You are right in that it is
          basically an include that clears the buffer. If you want it to make a whole
          new request you should probably use a redirect.
          The weblogic docs help clarify things a bit(as well as the regular
          javadocs). http://www.weblogic.com/docs51/classdocs/API_servlet.html#129331
          Hope this helped.
          -jeremy
          Alexander Kowalyshyn <[email protected]> wrote in message
          news:[email protected]..
          > I have a servlet, and want to forward on to an error JSP page for
          > exceptions. Is RequestDispatcher.forward() supposed to return to the
          > source servlet when the target is finished?
          >
          > I am using a return to stop the source servlet when the target is
          > finshed. Is this the correct behavior? Isn't this behavior very
          > similar to to include(), or is the only difference that include() does
          > not clear the source servlet's response buffer?
          >
          > TIA,
          >
          > Alex
          >

Differences between (response.sendRedirect and Requestdispatcher.forward)

Hi All,
I have 3 queries
*1> I wanted to know the "Differences" between*
response.sendRedirect and Requestdispatcher.forward
*2> when do we Opt for response.sendRedirect?*
*3> when do we Opt for Requestdispatcher.forward?*
Thanks,
Deepak AL

The fundamental difference is that sendRedirect is a client based direction, while forward is a server based one.
SendRedirect forces the client to make a new request. In effect you are telling the client browser "What you are looking for is over there"
RequestDispatcher forward, is purely an internal server transition. The client knows nothing about the forward happening.
Example
Lets say you request the page www.myserver.com/myPage.jsp
Example A: Redirect
We send a redirect to www.myserver.com/thatPageOverThere.jsp
The browser receives this message, and its address url changes to www.myserver.com/thatPageOverThere.jsp, and it sends a new request over there.
Note that it is a completely new request, so any parameters that were sent with the old request are irrelevant. If you want to send them again you have to put them into the sendRedirect url.
You can also send a redirect to www.myOtherServer.com/thatPageOnACompletelyDifferentServer.jsp
Example B: Forward to thatPageOverThere.jsp
We obtain a request dispatcher to "thatPageOverThere.jsp" and forward to that resource.
The server instead of running myPage.jsp now executes and returns thatPageOverThere.jsp
The client browser knows nothing of this. As far as it knows it asked for myPage.jsp, and it is getting that response back.
So if you forward to something like "my/page/inASubFolder.jsp" you have to be very careful with relative links on the page.
The browser requested myPage.jsp, so it will resolve relative links from that Url.
When to use one or the other?
Redirect would need to be used when the resource is on another server.
Another common usage is the "Post-Redirect-Get" pattern. (you might want to look that up)
Hope this helps you understand a little.
cheers,
evnafets

Which system field returns the number of records returned after a select?

Which system field returns the number of records returned after a select?
a) sy-index
b) sy-recno
c) sy-lncnt
d) sy-dbcnt
e) sy-tabix

Hi,
SY-DBCNT
Regards,
Prashant

Using a Macro to add a Carriage Return after each data entry within all cells of an imported range of cells

I have a macro that copies data from a Target workbook then pastes the data into a destination workbook. I then wish to use lookups in the destination workbook to view specific data from the pasted range of data on a separate sheet.
The problem is, the cells that contain numbers from the pasted data have the green dogeared error flags associated with the cell. The only way I can make a lookup function work, is to go to each cell and manually enter a carriage return after each entry.
The code for the macro is given below. What can be done so that the pasted data contains no errors associated with the number cells? Or can a second macro be written to clean the data. If so can you help me out? Thanks in advance.
Kindest Regards
Sub ImportData()
' ImportData Macro allows user to select an Excel workbook (i.e. Orchestrate Excel Output),
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    Dim wbk As Workbook
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        Beep
        Exit Sub
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    Set wbk = ActiveWorkbook
    Range("A9:S116").Copy
    Workbooks("MediaSpreadsheet_1.0.xlsm").Activate
    Sheets("OrchestrateData").Select
    Range("A1").Select
    ActiveSheet.Paste
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        .TintAndShade = 0
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        .Pattern = xlNone
        .TintAndShade = 0
        .PatternTintAndShade = 0
    End With
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    Selection.Borders(xlDiagonalUp).LineStyle = xlNone
    Selection.Borders(xlEdgeLeft).LineStyle = xlNone
    Selection.Borders(xlEdgeTop).LineStyle = xlNone
    Selection.Borders(xlEdgeBottom).LineStyle = xlNone
    Selection.Borders(xlEdgeRight).LineStyle = xlNone
    Selection.Borders(xlInsideVertical).LineStyle = xlNone
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End Sub
DAPulliam64

Hi DAPAugust64,
The green "dogeared error flags" of the cells means that you paste numbers in these cells, but they're formated as Text.
So you need to change the cells back to the correct format so that the lookup function works fine. You can simply call this method after pasting:
ActiveSheet.Cells(1, 1).NumberFormat = "General"
ActiveSheet.Cells(1, 1) = ActiveSheet.Cells(1, 1).Text
Or use PasteSpecial method to paste the numbers as well as it's format:
https://msdn.microsoft.com/en-us/library/office/ff837425.aspx
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.

HT201177 My new Mac Mini is plugged directly into my tv via hdmi cable and the screen will abruptly go blank and then return after a few seconds. Why is this happening?

So I recently got a Mac Mini about two weeks ago and for some reason while I am on it the display will go blank and then return after a few seconds. It is happening very frequently. I checked the HDMI cable, I checked my tv and nothing seems to be wrong with them and I don't know what is going on.
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Could someone please help me with this? I don't want my new computer to be useless. I need it.

Which TV model do you have?
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In case of DVI inputs for data being present, it's not a problem if an HDMI->DVI adapter, or better, cable is being used.
Many users here are overlooking this potential reason for problems, assuming that HDMI outputs must always communicate with any HDMI input, certainly also because TV manufacturers do not "advertise" such limitations loudly.
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Goods Return after Payment

Hi all!
how to go for 'Goods Return' after the corresponding invoice been paid?
thanks in advance,
Meera.

Meera,
Once an Invoice is Paid, the Invoice document is marked as Closed by SAP. Nothing further can be done about that invoice.
An Item AP Credit memo actually Credits your Vendors Account and Debits Inventory.
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But now (which maybe seems a little bit strange) I want to show two paragraphs without any return, so my work around doesn't do the trick anymore...
Does anybody know if you can turn off the automatic return after a paragraph?

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I think the "paragraph terminator" is what I would like to bypass...
I've made a short example:
package {
import flash.display.Sprite;
import flashx.textLayout.formats.TextLayoutFormat;
import flashx.textLayout.container.ContainerController;
    import flashx.textLayout.elements.ParagraphElement;
    import flashx.textLayout.elements.SpanElement;
import flashx.textLayout.elements.TextFlow;
import flashx.textLayout.container.ScrollPolicy;
public class Test2 extends Sprite
public function Test2() {
   var tekstLayoutFormat:TextLayoutFormat = new TextLayoutFormat();
   var cs:Sprite = new Sprite();
   addChild(cs);
   var textFlow:TextFlow = new TextFlow();
   textFlow.format = tekstLayoutFormat;
   var tekstveldController = new ContainerController(cs, 400, 400);
   tekstveldController.verticalScrollPolicy = ScrollPolicy.OFF;
   tekstveldController.horizontalScrollPolicy = ScrollPolicy.OFF;
   textFlow.flowComposer.addController(tekstveldController);
   textFlow.flowComposer.updateAllControllers();
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   var spanElement = new SpanElement();
   spanElement.text = "text1";
   spanElement.fontSize = 10;
   paragraphElement.addChild(spanElement);
   var paragraphElement2 = new ParagraphElement();
   var spanElement2 = new SpanElement();
   spanElement2.text = "text2";
   spanElement2.fontSize = 10;
   paragraphElement2.addChild(spanElement2);
   textFlow.addChild(paragraphElement);
   textFlow.addChild(paragraphElement2);
   textFlow.flowComposer.updateAllControllers();
This test shows:
text1
text2
What I would like to get (maybe strangely enough) is:
text1text2
is this possible?

RequestDispatcher.forward() bug in WLS61???

Hi
          attached is a web application called forward that demonstrate a possible
          bug in weblogic 6.1 server.
          Description of the application
          index.html:
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          <head>
          <title>form</title>
          </head>
          <body>
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          import javax.servlet.http.*;
          import javax.servlet.*;
          import java.io.*;
          public class ForwardServlet extends HttpServlet {
          public void service(HttpServletRequest request,
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          IOException {
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          result.jsp:
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          <%
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          out.println(result);
          %>
          <P>****
          the jsp just takes the "result" parameter from the request object and
          prints it. However it gets a null instead of the String kaboom
          We use this method of adding parameters in many places in our application
          and it should work according to the API:
          "For a RequestDispatcher obtained via getRequestDispatcher(), the
          ServletRequest object has its path elements and parameters adjusted to match
          the path of the target resource."
          Everything worked fine in WLS5.1
          P.S
          if ForwardServlet.java looks like:
          import javax.servlet.http.*;
          import javax.servlet.*;
          import java.io.*;
          public class ForwardServlet extends HttpServlet {
          public void service(HttpServletRequest request,
          HttpServletResponse response) throws ServletException,
          IOException {
          RequestDispatcher disp =
          getServletContext().getRequestDispatcher("/result.jsp?result=kabooom");
          disp.forward(request, response);
          and not touching the request object itself the result.jsp will display
          kaboom!!!!
          Dror Last
          Senior Software Engineer
          Unisfair Inc.
          12 Yad Haruzim St. Tel Aviv 67778 Israel
          Tel: +972-3-5373738 Ext. 243
          Fax: +972-3-5373731
          GSM: +972-55-723710
          mailto:[email protected]
          http://www.unisfair.com/
          [forward.war]


Yes, SP1 fixes the problem.
          Thanks,
          Beth
          "Ian M. Goldstein" <[email protected]> wrote in message
          news:[email protected]...
          > Service Pack 1 is available now via WebSupport
          > http://websupport.beasys.com/custsupp/
          >
          > Regards,
          > -- Ian
          >
          > "Robert Patrick" <[email protected]> wrote in message
          > news:[email protected]...
          > > Contact BEA technical support...
          > >
          > > Beth wrote:
          > >
          > > > Hi,
          > > >
          > > > We are having this same problem with WL6.1.
          > > > Where do we get this patch? It doesn't appear that SP1 is out yet.
          > > >
          > > > Thanks,
          > > > Beth
          > > >
          > > > "Andrew" <[email protected]> wrote in message
          > > > news:[email protected]...
          > > > >
          > > > > I spoke with BEA about this bug, as we were exhibiting almost the
          > exact
          > > > same behavior.
          > > > > It is definitely a bug, and their engineering department said it is
          > fixed
          > > > with
          > > > > 6.1 SP1 which is due to be released in September. They gave me a
          > patch to
          > > > test,
          > > > > and it did indeed fix this bug.
          > > > >
          > > > > Andrew
          > > > >
          > > > > "Willie" <[email protected]> wrote:
          > > > > >Hi,
          > > > > >
          > > > > >Any update on this one? We are running into the exact same problem
          > and
          > > > > >it is
          > > > > >blocking us from moving into 6.1. The same code worked well in 6.0.
          > Is
          > > > > >this
          > > > > >a WL bug? When is the fix going to be available?
          > > > > >
          > > > > >Thanks!
          > > > > >Willie
          > > > > >
          > > > > >"Dror Last" <[email protected]> wrote in message
          > > > > >news:[email protected]...
          > > > > >> Hi
          > > > > >>
          > > > > >> attached is a web application called forward that demonstrate a
          > > > possible
          > > > > >> bug in weblogic 6.1 server.
          > > > > >>
          > > > > >> Description of the application
          > > > > >> ------------------------------------------
          > > > > >>
          > > > > >> index.html:
          > > > > >>
          > > > > >> <html>
          > > > > >> <head>
          > > > > >> <title>form</title>
          > > > > >> </head>
          > > > > >> <body>
          > > > > >> <form name="form" method="post" action="forwardServlet">
          > > > > >> <input type="hidden" name="nextPage" size="20"
          > > > > >> value="result.jsp">
          > > > > >> </form>
          > > > > >> <script language="javascript">
          > > > > >> document.forms["form"].submit();
          > > > > >> </script>
          > > > > >> </body>
          > > > > >> </html>
          > > > > >>
          > > > > >> the index.html of the application just cause the web browser to
          > send
          > > > > >a
          > > > > >> request to the ForwardServlet with a parameter
          nextPage=result.jsp
          > > > > >>
          > > > > >> ForwardServlet.java:
          > > > > >>
          > > > > >>
          > > > > >> import javax.servlet.http.*;
          > > > > >> import javax.servlet.*;
          > > > > >> import java.io.*;
          > > > > >>
          > > > > >> public class ForwardServlet extends HttpServlet {
          > > > > >>
          > > > > >> public void service(HttpServletRequest request,
          > > > > >> HttpServletResponse response) throws
          ServletException,
          > > > > >> IOException {
          > > > > >> RequestDispatcher disp =
          > > > > >> getServletContext().getRequestDispatcher("/" +
          > > > > >> request.getParameter("nextPage") +
          > "?result=kabooom");
          > > > > >> disp.forward(request, response);
          > > > > >> }
          > > > > >> }
          > > > > >>
          > > > > >> the servlet forwards the request to the nextPage(result.jsp)
          using
          > > > > >> RequestDispatcher.forward adding to the URI a parameter
          > result=kabooom;
          > > > > >>
          > > > > >>
          > > > > >> result.jsp:
          > > > > >>
          > > > > >> ****<P>
          > > > > >> <%
          > > > > >> String result = request.getParameter("result");
          > > > > >> out.println(result);
          > > > > >> %>
          > > > > >> <P>****
          > > > > >>
          > > > > >> the jsp just takes the "result" parameter from the request
          object
          > > > > >and
          > > > > >> prints it. However it gets a null instead of the String kaboom
          > > > > >>
          > > > > >>
          > > > > >> We use this method of adding parameters in many places in our
          > > > application
          > > > > >> and it should work according to the API:
          > > > > >> "For a RequestDispatcher obtained via getRequestDispatcher(),
          the
          > > > > >> ServletRequest object has its path elements and parameters
          adjusted
          > > > > >to
          > > > > >match
          > > > > >> the path of the target resource."
          > > > > >>
          > > > > >> Everything worked fine in WLS5.1
          > > > > >>
          > > > > >>
          > > > > >> P.S
          > > > > >>
          > > > > >> if ForwardServlet.java looks like:
          > > > > >>
          > > > > >> import javax.servlet.http.*;
          > > > > >> import javax.servlet.*;
          > > > > >> import java.io.*;
          > > > > >>
          > > > > >> public class ForwardServlet extends HttpServlet {
          > > > > >>
          > > > > >> public void service(HttpServletRequest request,
          > > > > >> HttpServletResponse response) throws
          ServletException,
          > > > > >> IOException {
          > > > > >> RequestDispatcher disp =
          > > > > >>
          > getServletContext().getRequestDispatcher("/result.jsp?result=kabooom");
          > > > > >> disp.forward(request, response);
          > > > > >> }
          > > > > >> }
          > > > > >>
          > > > > >> and not touching the request object itself the result.jsp will
          > display
          > > > > >> kaboom!!!!
          > > > > >>
          > > > > >>
          > > > > >> Dror Last
          > > > > >> Senior Software Engineer
          > > > > >> Unisfair Inc.
          > > > > >> 12 Yad Haruzim St. Tel Aviv 67778 Israel
          > > > > >> Tel: +972-3-5373738 Ext. 243
          > > > > >> Fax: +972-3-5373731
          > > > > >> GSM: +972-55-723710
          > > > > >> mailto:[email protected]
          > > > > >> http://www.unisfair.com/
          > > > > >>
          > > > > >>
          > > > > >>
          > > > > >>
          > > > > >>
          > > > > >
          > > > > >
          > > > >
          > >
          >
          >

Sales returns after 180 days

Dear team,
I have one doubt in return order creation. There are two scenarios while creating return order, (1) if customer returns within 180 days (from invoice date) than i need to give him full credit (base price as well as tax) and (2) if customer returns after 180 days of invoice than only base price needs to be credited. Tax amount shoud not be credited.
How can i map this in SAP ?..
your helpful answers will be rewarded by points...thanks in advance...
Thanks and regards,
Tarpan Vadalia

Hi
While creating sale order, go to item or header billing screen, you have ALT Tax classific (at header) - select 0 to Tax exempt.
At item level -billing - tax classification - select 0
thank you
Anirudh

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Hi Gregor,
I am sorry but this link that you send, did not help me. I am using this code within a c# application. This is a bit
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It's worth noting that the vast and overwhelming majority of headaches people were experiencing were related to download and activation servers (as well as credit check servers for some mobile carriers) being crushed and overwhelmed.
To give you an idea of just how crushed, here are some numbers. In the last year, something in the neighborhood of 8 million iPhones have been sold. That's just shy of 22,000 per day. So the typical traffic is around 22,000 times a day, someone is hitting the server for update/activation.
This weekend, Apple sold 1 million iPhones. In other words, 333,333 phones per day. Holy crap!
As if that wasn't enough, there are 8 million of us out there with the first generation iPhone. Not only do we need to download the new firmware, but we have to install it. The installation process requires hitting the activation server again, to validate the phone. Mind you, not everybody upgraded this weekend, but a few million did. For the sake of argument, we'll assume that's 1 million a day. So, instead of the normall traffic of 22K phones a day, those activation servers got SLAMMED with 1.33 million activations per day.
It ***** that some people had delays and hiccups and a hard time and everything, but completely understandable. With luck things will run more smoothly from here on out.
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Return; after RequestDispatcher.forward();

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