Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardConstants.java
===================================================================
diff -u -r3eea4539311588af3053d362058f2eb01c4f9887 -rdb44d0ba01e0426868d12ed9f59075d841251e4d
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardConstants.java	(.../NoticeboardConstants.java)	(revision 3eea4539311588af3053d362058f2eb01c4f9887)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardConstants.java	(.../NoticeboardConstants.java)	(revision db44d0ba01e0426868d12ed9f59075d841251e4d)
@@ -128,4 +128,6 @@
     
     public static final String ERROR_NBAPPLICATION = "error.exception.NbApplication";
     
+    public static final String ERR_MISSING_PARAM = "error.missingParam";
+    
 }
Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/CustomStrutsExceptionHandler.java
===================================================================
diff -u
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/CustomStrutsExceptionHandler.java	(revision 0)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/CustomStrutsExceptionHandler.java	(revision db44d0ba01e0426868d12ed9f59075d841251e4d)
@@ -0,0 +1,94 @@
+/* 
+  Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+  USA
+
+  http://www.gnu.org/licenses/gpl.txt 
+*/
+
+package org.lamsfoundation.lams.tool.noticeboard.web;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+import org.apache.struts.action.ActionForm;
+import org.apache.struts.action.ActionForward;
+import org.apache.struts.action.ActionMapping;
+import org.apache.struts.action.ActionMessage;
+import org.apache.struts.action.ExceptionHandler;
+import org.apache.struts.config.ExceptionConfig;
+import org.lamsfoundation.lams.tool.noticeboard.NbApplicationException;
+import org.lamsfoundation.lams.tool.noticeboard.NoticeboardConstants;
+
+/**
+ * Copied from Jacky's class in the survey tool.
+ */
+public class CustomStrutsExceptionHandler extends ExceptionHandler {
+
+    //---------------------------------------------------------------------
+    // Instance Data
+    //---------------------------------------------------------------------
+    private static Logger logger = Logger.getLogger(CustomStrutsExceptionHandler.class);
+ 
+	    // commons logging reference
+	    /**
+	     * Handle the exception. Standard execute method with addition of logging
+	     * the stacktrace.
+	     */
+	    public ActionForward execute(Exception ex,
+	                                 ExceptionConfig ae,
+	                                 ActionMapping mapping,
+	                                 ActionForm formInstance,
+	                                 HttpServletRequest request,
+	                                 HttpServletResponse response) 
+	    {
+	        // write the exception information to the log file
+	        logger.error("fatal System exception: [" + ex.getMessage() + "] ", ex);
+	        ActionForward forward = null;
+	        String property = null;
+
+	        /*
+	         * Get the path for the forward either from the exception element or
+	         * from the input attribute.
+	         */
+
+	        String path = null;
+	        if (ae.getPath() != null)
+	        {
+	            path = ae.getPath();
+	        }
+	        else
+	        {
+	            path = mapping.getInput();
+	        }
+	        // Construct the forward object
+	        forward = new ActionForward(path);
+
+	        // some exceptions do have null messages, so be careful!
+	        String exceptionMessage = ex.getMessage(); 
+	        String errorMessage = exceptionMessage == null || exceptionMessage.equals("null") ? ex.getClass().getName() : ex.getMessage();
+	        ActionMessage error = null;
+	        if (NbApplicationException.class.isInstance(ex) ) {
+		        error = new ActionMessage(NoticeboardConstants.ERROR_NBAPPLICATION, errorMessage );
+	        }        
+	        storeException(request, property, error, forward, ae.getScope( ));
+	        // process the exception as normal
+	        return forward;
+	     
+
+	    }
+}