The exception is : java.lang.IllegalArgumentException

The trace of the program is : java.lang.IllegalArgumentException at com.nima.db.DBConnection.(DBConnection.java:43) at com.nima.db.DBQuery.FindConnection(DBQuery.java:179) at com.nima.db.DBQuery.ExecuteCommand(DBQuery.java:124) at _jsps._geonames._Gazetteer._Search._Results_jsp._jspService(_Results_jsp.java:701) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:908) at com.iplanet.ias.web.jsp.JspServlet$JspServletWrapper.service(JspServlet.java:667) at com.iplanet.ias.web.jsp.JspServlet.serviceJspFile(JspServlet.java:447) at com.iplanet.ias.web.jsp.JspServlet.service(JspServlet.java:363) at javax.servlet.http.HttpServlet.service(HttpServlet.java:908) at org.apache.catalina.core.StandardWrapperValve.invokeServletService(StandardWrapperValve.java:771) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:322) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:209) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509) at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:161) at com.iplanet.ias.web.WebContainer.service(WebContainer.java:586)