Invoking servlet from ODB using GET

I have a requirement where i need to invoke a servlet using GET. Can anyone let me know the procedute to follow in this invocation.
Your help is appreciated
Thanks,
P

Hi
Try the following way to register servlets in web.xml
  <web-app>
    <servlet>
        <servlet-name>generateSurveyServlet</servlet-name>
        <servlet-class>com.robbie.servlet.generateSurveyServlet</servlet-class>
   </servlet>
      <servlet-mapping>     
              <servlet-name>generateSurveyServlet</servlet-name>
              <url-pattern>/generateSurveyServlet </url-pattern>
        </servlet-mapping>
<servlet>
        <servlet-name>surveyResultsHandlerServlet</servlet-name>
        <servlet-class>com.robbie.servlet.surveyResultsHandlerServlet</servlet-class>
   </servlet>
      <servlet-mapping>     
              <servlet-name>surveyResultsHandlerServlet</servlet-name>
              <url-pattern>/surveyResultsHandlerServlet </url-pattern>
        </servlet-mapping>
</web-app>i hope this will clear u.
thanks,
nvseenu

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    using System.Collections.Generic;
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    using System.Net;
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    using System.Threading;
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    using System.Threading.Tasks;
    using System.Text;
    using Windows.Storage;
    using System.Windows.Threading;
    using System.Diagnostics;
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    MyGrid.Children.Add(TbPW);
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    //create title
    title = new TextBlock();
    title.Text = "--- Sign Up 1/2 ---";
    title.VerticalAlignment = VerticalAlignment.Top;
    title.HorizontalAlignment = HorizontalAlignment.Center;
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    TbUN = new TextBox();
    TbUN.Opacity = 0.5;
    TbUN.Text = "Username";
    TbUN.FontSize = 16;
    TbUN.FontWeight = FontWeights.ExtraBold;
    TbUN.Foreground = new SolidColorBrush(Colors.Black);
    TbUN.Background = new SolidColorBrush(Colors.Transparent);
    TbUN.VerticalAlignment = VerticalAlignment.Top;
    TbUN.Height = 70;
    TbUN.Tap += TbUN_Tap;
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    TbPW = new TextBox();
    TbPW.Opacity = 0.5;
    TbPW.Text = "Password";
    TbPW.FontSize = 16;
    TbPW.FontWeight = FontWeights.ExtraBold;
    TbPW.Foreground = new SolidColorBrush(Colors.Black);
    TbPW.Background = new SolidColorBrush(Colors.Transparent);
    TbPW.VerticalAlignment = VerticalAlignment.Top;
    TbPW.Height = 70;
    TbPW.Tap += TbPW_Tap;
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    TbCPW = new TextBox();
    TbCPW.Opacity = 0.5;
    TbCPW.Text = "Confirm Password";
    TbCPW.FontSize = 16;
    TbCPW.FontWeight = FontWeights.ExtraBold;
    TbCPW.Foreground = new SolidColorBrush(Colors.Black);
    TbCPW.Background = new SolidColorBrush(Colors.Transparent);
    TbCPW.VerticalAlignment = VerticalAlignment.Top;
    TbCPW.Height = 70;
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    TbEmail.Opacity = 0.5;
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    TbEmail.FontWeight = FontWeights.ExtraBold;
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    I need to call servelt class from the <netui:anchor ..> tag of my jpf.
    i have mapped this servlet class in the web.xml.
    please tell us how to invoke servlet from the netui:anchor tag from the jpf action
    method.
    thanks
    shashi

    I am calling a Servlet from JAVA Class as I am using IDE: Eclipse. The Problem is below
    URL url = new URL(ServletPath);
    URLConnection connet = url.openConnection();Why should the Servlet running in different Runtime print on your Eclipse Runtime. Please be more clear about the question.

  • Invoke servlet

    How can I invoke servlet from an <af:form> tag ?

    Hi Zaro,
    it depends what you'd like to do.
    1. Put the result into the page: Use normal links, eg. <af:objectImage source="/graphservlet"/>2. Use it as a navigation step: edit your faces-config.xml
    --olaf                                                                                                                                                                                                                                                                                                                                                                                                                                                               

  • Not going to Servlet from JSP

              Hi,
              I have written a program that takes the email id and password from a jsp page and posts it to a servlet. The servlet had to get the parameters from the jsp and pass this values to a method called loginvalidation which inturn has to connect to data source and return true if the record exists else false if it doesn't exist. Now my problem is that the control is not passed from the jsp to the servlet(name:Login). It throws an Illegal access exception. What can be the problem? Can u provide a solution for this.
              

    The problem here is that your servlet doesn't implement doGet()
    doing a response.sendRedirect sends a web page back to the client, which then tries to load the servlet.
    It uses GET instead of POST because it is a standard URL link.
    Solution: implement doGet() in your servlet, even if all it does is call doPost() to do the same thing.
    You can also do a jsp:include, or jsp:forward to transfer control from a jsp to a servlet.
    However you are working in HTML, and you may not be able to get away from using an HTML form.
    Cheers,
    evnafets

  • How to invoke a servlet from an application-URGENT

    Hi,
              My requirement is as follows :
              I have to invoke a servlet from a client application. I am using
              java.net.URL and java.netURLConnection classes to
              open a connection and invoke the servlet.
              I am using WebLogic5.1
              my code snippet is as follows :
              URL url = new URL("http://localhost:7001/urlservlet");
              URLConnection connection = url.openConnection();
              connection.setRequestMethod("GET");
              connection.setDoOutput(true);
              connection.setDoInput(true);
              PrintStream outStream = new PrintStream( connection.getOutputStream() );
              outStream.print("message=hai");
              outStream.flush();
              outStream.close();
              When I execute the application, Webloigc server console is displaying the
              following line.
              <Listen Thread> Adding Address : <machine name><ip address>
              But the service method of servlet is not getting invoked at all.
              Help me to find the answer.
              Jeelani
              

    jeelani <[email protected]> wrote:
              > Hi Dimitri,
              > Thanks a lot.That worked for me.
              > But if I want to send java objects (Vectors,beans),what is the best way to
              > do it.
              > This is exactly what our requirement is..
              If you want to send Java object you have to use POST:
              URLConnection conn = ...
              conn.setDoOutput(true); // makes this a POST
              OutputStream os = conn.getOutputStream();
              ...write your objects here...
              os.flush();
              os.close();
              InputStream in = conn.getInputStream(); // sends data to the server and
              // opens input stream
              ..read servlet response..
              .. ot just close the stream...
              in.close();
              > my client application need to send some java components to our main server
              > located in our head office.The servlet will read the objects and execute the
              > functionality..
              > I really appreciate for the fast response from you.
              > Dimitri Rakitine <[email protected]> wrote in message
              > news:[email protected]...
              >> Try it like this:
              >>
              >> URL url = new URL("http://localhost:7001/urlservlet?message=hai");
              >> URLConnection connection = url.openConnection();
              >> InputStream in = connection.getInputStream();
              >> in.close();
              >>
              >>
              >> jeelani <[email protected]> wrote:
              >> > Thanks for the quick response.
              >>
              >> > Actually right now it doesn't matter whether it is by GET or by POST.
              >> > Add my clinet application just needs to send data to Servlet and nothing
              > to
              >> > get in return.Thats why I am using connection.getOutputStream().
              >>
              >> > since application will not be reading anything from servlet, I don't
              >> > think it is required to use connection.getInputStream().
              >> > (I am sorry, if I am wrong).
              >>
              >> > Can you please help me out. weblogic server is able to get the address
              >> > from where the request is coming. Only problem is servlet is not getting
              >> > invoked.
              >>
              >> > regards,
              >> > Jeelani
              >>
              >>
              >> > Dimitri Rakitine <[email protected]> wrote in message
              >> > news:[email protected]...
              >> >> Are you trying to do get or post? First you set method to GET
              >> >> and then you do the POST.
              >> >>
              >> >> And add InputStream is = connection.getInputStream() - that will
              >> >> result in HttpURLConnection sending data to the server and getting
              >> >> back the response.
              >> >>
              >> >> jeelani <[email protected]> wrote:
              >> >> > Hi,
              >> >>
              >> >> > My requirement is as follows :
              >> >>
              >> >> > I have to invoke a servlet from a client application. I am using
              >> >> > java.net.URL and java.netURLConnection classes to
              >> >> > open a connection and invoke the servlet.
              >> >>
              >> >> > I am using WebLogic5.1
              >> >>
              >> >> > my code snippet is as follows :
              >> >>
              >> >> > URL url = new URL("http://localhost:7001/urlservlet");
              >> >>
              >> >> > URLConnection connection = url.openConnection();
              >> >>
              >> >> > connection.setRequestMethod("GET");
              >> >> > connection.setDoOutput(true);
              >>
              >> >> > PrintStream outStream = new
              >> > PrintStream( connection.getOutputStream() );
              >> >> > outStream.print("message=hai");
              >> >> > outStream.flush();
              >> >> > outStream.close();
              >> >>
              >> >> > When I execute the application, Webloigc server console is displaying
              >> > the
              >> >> > following line.
              >> >>
              >> >> > <Listen Thread> Adding Address : <machine name><ip address>
              >> >>
              >> >> > But the service method of servlet is not getting invoked at all.
              >> >>
              >> >> > Help me to find the answer.
              >> >>
              >> >> > Jeelani
              >> >>
              >> >> --
              >> >> Dimitri
              >> >> http://dima.dhs.org
              >>
              >>
              >>
              >> --
              >> Dimitri
              >> http://dima.dhs.org
              Dimitri
              http://dima.dhs.org
              

  • How get data in servlet from selected recotrd

    I want set on my UIX site new button which after click will invoke servlet. In this servlet, I need a method which get data from selected record and write it to file. I have two questions. What kind of button I have to use to send data from selected record on my UIX site and how can I get selected data in servlet (I don't know a method - request.getParameter("column_name") doesn't work) It's very important for me. Please anyone response ?

    If you are using ADF you can how which row were selected using the following code
    tableClients.setRowIndex(
    Integer.parseInt(
    (String)
    tableClients.getSelectionState().getKeySet().iterator().next()));
    client = (Client) tableClients.getRowData();
    assuming that the <af:table> have a binding to a managed bean and that it have an "selection" facet and you include your command button in these facet
    to write to a file check java.sun.com and look for BufferedWriter or BufferedOutputStream
    Atilio

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