Blank page after submitting.

Hi all the Java Geeks can any one help me with this, 
 
I am getting a blank page after hitting the submit button. can you help me finding a solution for this in the JSP page or tell me where the error is.
 
 
 
 
 
<%@page contentType="text/html;charset=UTF-8" %> 
<%@page import="oracle.portal.provider.v2.render.*" %> 
<%@page import="oracle.portal.provider.v2.render.PortletRenderRequest" %> 
<%@page import="oracle.portal.provider.v2.PortletDefinition" %> 
<%@page import="oracle.portal.provider.v2.http.HttpCommonConstants" %> 
<%@page import="java.sql.*, javax.sql.*, java.util.*, oracle.jdbc.*, oracle.jdbc.pool.*, oracle.jdbc.oci.*" %> 
 
<% 
PortletRenderRequest portletRequest = (PortletRenderRequest)request.getAttribute(HttpCommonConstants.PORTLET_RENDER_REQUEST); 
RenderContext rc = portletRequest.getRenderContext(); 
PortletDefinition pd = portletRequest.getPortletInstance().getPortletDefinition(); 
%> 
 
<%!
 String tree_descrip; 
 String tree_descrip_long; 
 String curr_Scheme; 
 String overl_gif; 
 String curr_css_path; 
// page param 
 String p_number_val= "1"; 
 String p_period_val= "Day"; 
%> 
 
<% 
 String long_desc = "LONG"; 
 String Descrip = "SHORT"; 
 String treeDescrip= "%SUBMISS%OLDER%"; 
 String curr_treeCateg = "SUB"; 
 
try 
{ 
 curr_Scheme = getInfo.getSchem.getSchem(); 
 overl_gif = "/images/smmj_page_obj/" curr_Scheme "images/prefreshdefault.gif"; 
 curr_css_path = "/images/smmj_page_obj/" curr_Scheme "css/param_jsp.css"; 
 
 tree_descrip = getInfo.getPortletTitle.getPortletTitle ( Descrip , treeDescrip , curr_treeCateg); 
 tree_descrip_long = getInfo.getPortletTitle.getPortletTitle ( long_desc , treeDescrip , curr_treeCateg); 
} 
catch(Exception e) 
{ 
tree_descrip = ""; 
tree_descrip_long = ""; 
} 
%>
 
<%
// Get page param p_number_val
try
p_number_val = request.getParameterValues("p_number")[0];
catch(Exception e)
p_number_val = "1";
// Get page param p_period_val
try
p_period_val = request.getParameterValues("p_period")[0];
catch(Exception e)
p_period_val = "Day";
%>
 
<HTML>
<HEAD>
<link href="<%= curr_css_path %>" rel="stylesheet" type="text/css" media='' screen=''/>
<SCRIPT LANGUAGE="JavaScript1.1" SRC="/images/smmj_page_obj/Popup/overlib.js"></SCRIPT>
</HEAD>
<BODY>
 
<TABLE WIDTH=100% summary="<%= tree_descrip %>" border="0" cellspacing="0" cellpadding="3" BGCOLOR="#FFFFFF" >
<TR WIDTH="100%" height="6px"><td height="6px" COLSPAN="6" ></td></TR>
<TR WIDTH="100%" >
 <td ALIGN="LEFT" nowrap ></td>
 <td ALIGN="LEFT" style="font-family:Verdana; font-size:8pt;font-weight:normal" nowrap class="smmjPort2HeadJS"> CYCLE NAME</td>
 <td ALIGN="CENTER" style="font-family:Verdana; font-size:8pt;font-weight:normal" nowrap class="smmjPort2HeadJS">ID</td>
 <td ALIGN="CENTER" style="font-family:Verdana; font-size:8pt;font-weight:normal" nowrap class="smmjPort2HeadJS">FIRM NAME</td>
 <td ALIGN="CENTER" style="font-family:Verdana; font-size:8pt;font-weight:normal" nowrap class="smmjPort2HeadJS">BILLING PERIOD</td>
 <td ALIGN="RIGHT" style="font-family:Verdana; font-size:8pt;font-weight:normal" nowrap class="smmjPort2HeadJS0">AGE</td>
</TR>
<%= getOlderSubs( p_number_val, p_period_val , "dev", portletRequest.getUser().getName(), "close_connect") %>
</table>
<TABLE><TR><TD>
 <%=p_number_val%>
 
 <%=p_period_val%>
 
 <%=portletRequest.getUser().getName()%>
</TD></TR>
</TABLE>
</BODY>
</HTML>
 
 
 
<%! 
 private String getOlderSubs( String cnumb, String cperiod, String cstring, String userid, String cState) throws SQLException 
 { 
 CallableStatement cstmt; 
 ResultSet cursor; 
 int spacerLine = 1; 
 int retStrC = 1; 
 String retStr = "f"; 
 String retStr2 = "f"; 
 String retStr3 = "f"; 
 String retStr4 = "f"; 
 String ALLretStr = " "; 
 String TempretStr = " "; 
String userstring = getInfo.getPortlUser.getPortUsr("B", "1"); 
String pwstring = getInfo.getPortlUser.getPortUsr("B", "2"); 
String CNNstring = getInfo.getPortlUser.getPortUsr("B", "3"); 
 
 String PROXY_user_name = "test$" + userid; 
 //String PROXY_user_name = "test1$roger" ; 
 String url= "jdbc:oracle:oci:@" + CNNstring; 
 Properties prop = new Properties(); 
 
try { 
 if ( userid.trim().toUpperCase().equals(getInfo.getCONN.chkPortal.trim().toUpperCase()) ) 
 { 
 ALLretStr = "<tr><td>Default user: " + userid + "</td></tr>";
 } 
 
 else 
 { 
 // Create an OracleOCIConnectionPool instance with default configuration 
 OracleOCIConnectionPool cpool = new OracleOCIConnectionPool(userstring, pwstring , url, null); 
 Properties proxUserProp = new Properties(); 
 proxUserProp.setProperty(OracleOCIConnectionPool.PROXY_USER_NAME, PROXY_user_name); 
 OracleConnection conn__OCI = cpool.getProxyConnection (OracleOCIConnectionPool.PROXYTYPE_USER_NAME, proxUserProp); 
 cstmt = conn__OCI.prepareCall ("begin PORT_CURSOR.s_submission_wip( ?,?,?,?,? ); end;"); 
 cstmt.setString(2, cnumb); 
 cstmt.setString(3, cperiod); 
 
 cstmt.setInt(4, retStrC); 
 cstmt.setString(5, retStr3); 
 
 cstmt.registerOutParameter (4, Types.NUMERIC); 
 cstmt.registerOutParameter (5, Types.VARCHAR); 
 cstmt.registerOutParameter(1, OracleTypes.CURSOR); 
 cstmt.execute(); 
 retStrC = cstmt.getInt (4); 
 retStr3 = cstmt.getString (5); 
 
 retStr = "<tr class=OraDataText><td> " + retStrC + "</td></tr>"; 
 retStr = retStr + "<tr class=OraDataText><td> " + retStr3 + "</td></tr>"; 
 
if ( retStrC == -1 ) { ALLretStr = ALLretStr + retStr; } 
 else 
 { 
 cursor = ((OracleCallableStatement)cstmt).getCursor(1); 
 while (cursor.next ()) 
{ 
if (spacerLine >= 2) 
{ 
ALLretStr = ALLretStr + "<tr><td ALIGN=LEFT nowrap ></td><td colspan=5 height=1 <div id=ssubLine> <div id=ssubLinet></div> </div> </td></tr>"; 
 } 
ALLretStr = ALLretStr + "<tr WIDTH=100% class=smmjPort2Text ><td ALIGN=LEFT nowrap ></td><td ALIGN=LEFT> " + cursor.getString(1) + "</td><td ALIGN=CENTER>" + cursor.getInt(2) + "</td><td ALIGN=CENTER>" + cursor.getString(3) + "</td><td ALIGN=CENTER>" + cursor.getString(4) + "</td><td ALIGN=RIGHT>" + cursor.getString(5) + "</td></tr>"; 
spacerLine++; 
} 
} 
 if (cState != null ) 
 { //return(retStr); 
if (conn__OCI != null) conn__OCI.close(); 
if (cpool != null) cpool.close(); 
 }} 
 return(TempretStr); 
 } 
 catch (SQLException e ) 
 { 
String retErrStr = retStr + " SQL Error: <PRE> " + e + " </PRE> \n"; 
return(retErrStr); 
 } 
 } 
%> 
 
 
 
Vijay.

Vijay,
Do you see any error messages on your application server console or the error log files?
Thanks,
Rashmi

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