Can't retrieve POST parameters...

Hi,
I have this problem: from an HTML page I call a Servlet via a form like this:
<form name="richiesta" method="post" action="servletName">
<input type="hidden" name="in_file" value="00009177.doc">
<input type="hidden" name="port" value="8787">
</form>
In the Servlet I retrieve the parameters with request.getParameter("paramName");
With Tomcat3.x everithing goes well, but with Tomcat 4.0.3 I can't retrieve the parameters in the Servlet: every getParameter returns "null", and printing all with
for (Enumeration namesList = request.getParameterNames(); namesList.hasMoreElements();)
String curName =(String)namesList.nextElement();
System.out.println("Param "+curName+" value: '"+request.getParameter(curName)+"'");
prints nothing!
I really can't figure out where to look for a solution. Any help is welcome!

All parameters are sent as Strings. You must explicitly
convery at servlet side before using them.
Is this the problem ?

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NestedRuntimeException: can not parse POST parameters of request

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          Hi
          We are using Weblogic 5.1 service pack 10. We are seeing the same error sometimes.
          Any reason/solution to this?
          thanks
          Sri
          "Chengwei" <[email protected]> wrote:
          >
          >Hi,
          >
          >I am using WL 4.5 service pack 11. The following error occurs when a
          >second JSP page is forwarded to from the first page (ie 5.5):
          >
          >--------------- nested within: ------------------
          >weblogic.utils.NestedRuntimeException: cannot parse POST parameters of
          >request /
          >Optimum/transarranger/step2_via.jsp
          > - with nested exception:
          >[java.net.SocketException: Connection reset by peer]
          > at java.lang.Throwable.<init>(Compiled Code)
          > at java.lang.Exception.<init>(Compiled Code)
          > at java.lang.RuntimeException.<init>(RuntimeException.java:50)
          > at weblogic.utils.NestedRuntimeException.<init>(NestedRuntimeException.j
          >ava:23)
          > at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(Compiled
          > Code)
          > at
          > at
          > at jsp_servlet._Optimum._transarranger._step2_95_via._jspService(Compile
          >d Code)
          > at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
          > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Compiled
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          >)
          > at weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled
          >C
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          > at weblogic.servlet.JSPServlet.service(JSPServlet.java:132)
          > at javax.servlet.http.HttpServlet.service(Compiled Code)
          > at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Compiled
          >Code
          >)
          > at weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled
          >C
          >ode)
          > at weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled
          >C
          >ode)
          > at weblogic.socket.MuxableSocketHTTP.invokeServlet(Compiled Code)
          > at weblogic.socket.MuxableSocketHTTP.execute(Compiled Code)
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How to retrieve Post Parameter

Hi All,
I am new to JSF..I need to retrieve Post parameters from plain HTML pages.
Once i receive the post parameter in JSF then i need to validate one of the parameter and redirect user to diffrent pages based on the parameter value.
What is the best way doing this scenario..
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Try the following code snippet to access request parameters:
FacesContext facesContext = getFacesContext();
ExternalContext externalContext = facesContext.getExternalContext();
Map requestMap = externalContext.getRequestMap();Now that you have the request map, you can retrieve any of the request parameters using:
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Help!!! What's wrong with this code. JSP page can't retrieve properties.

I'v got a piece of code that was created to send some parameters to JSP page via POST method. But in server page I can't retrieve this parameters, please help me and try to find "main" bug in this code.
try {
URL url = new URL("http://localhost/index.jsp");
HttpURLConnection httpCon = (HttpURLConnection)url.openConnection();
httpCon.setRequestMethod( "POST" );
httpCon.setDoOutput( true );
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PrintWriter ow = new PrintWriter( os );
ow.print( body );
ow.flush();
ow.close();
} catch (....) {
}

Hi
You must not encode all the body just the values of the parameters.
You can do as following in order to send a post request with 2 parameters
String param1 = "Co & sons";
String param2 = "ltd.";
String encParam1 = URLEncoder.encode(param1,"UTF-8");
String encParam2 = URLEncoder.encode(param2,"UTF-8");
String body = "param1="+encParam1+"&param2="+encParam2;
OutputStream os = httpCon.getOutputStream();
PrintWriter ow = new PrintWriter( os );
ow.print( body );
ow.flush();
//read the response from the jsp
InputStream inS = httpCon.getInputStream();
byte[] buff = new byte[5000];
StringBuffer sbuff = new StringBuffer();
int nrBytes ;
while( (nrBytes = inS.read(buff, 0, 5000))!=-1) {
sbuff.append(new String(buff,0,nrBytes));
inS.close();
ow.close();
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<%
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%>I hope I helped you.
Regards,
BG

Howt to retrieve the parameters sent from an iView in WDA

Hi,
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Kind Regards,
Gerardo J

Hi Gerado,
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[http://wiki.sdn.sap.com/wiki/display/WDABAP/HowtoreadURLparametersinWebDynproforABAP|http://wiki.sdn.sap.com/wiki/display/WDABAP/HowtoreadURLparametersinWebDynproforABAP]
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They have taken into account my request and have changed the encoding used during the request to the HOOK_URL.
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Hi All
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Hi,
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I recently uploaded 10.8, but I have a number of VALUABLE old files which I can no longer read because "power PC applications are no longer supported. How can I retrieve them?

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<%
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%>
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<title>Paramrecv</title>
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<defaultLocale>hu.HU</defaultLocale>
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<showEditDefault>false</showEditDefault>
<showPreview>true</showPreview>
<showDetails>false</showDetails>
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<hasAbout>false</hasAbout>
<acceptContentType>text/html</acceptContentType>
<defaultLocale>hu.HU</defaultLocale>
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<contentType>text/html</contentType>
<showPage>bank.jsp</showPage>
<pageParameterName>bank_next_page</pageParameterName>
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When I press the submit button, the transient parameters are passed, but when I refresh the page the transient parameters are also passed.
When I make two TAB pages in the portal, and navigate between them, the behavior is the same.
Here is my URL after opening the tab page in a new navigator window:
http://portal2.eurotrend.hu:7777/portal/page?_pageid=73,31262,73_35033&_dad=portal&_schema=PORTAL&Amount=50&Action=Transfer
You can see the transient parameters in the URL!
I click the tab after submit.
This happens in IE 5.5 and IE 6.0
Thanks in advance!

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import javax.swing.event.*;
import java.io.*;
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ex.printStackTrace(System.err);
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thanx
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< form enctype="multipart/form-data" name="theForm"
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Ok, I havn't read all your code because it's quite a lot and I might have the answer for you already.
Maybe the problem is that your Nokia is still connected to your computer.
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I hope this solves your problem (more than six months after your post ;) ).

Can't retrieve POST parameters...

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