org.apache.jasper.JasperException: invalid arguments in call

hi ,Pradeep here,

i am using oracle 9i database and it showing this error message:

org.apache.jasper.JasperException: invalid arguments in call    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java: 476)    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java: 371)   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java: 315)   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

javax.servlet.ServletException: invalid arguments in call    org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java: 848)    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java: 781)   org.apache.jsp.registration_jsp._jspService(registration_jsp.java: 328)   org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java: 328)   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java: 315)   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

java.sql.SQLException: invalid arguments in call   oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java: 111)   oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java: 145)   oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java: 207)   oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:235)   oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java: 440)   oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:164)    oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java: 34)   oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752)   java.sql.DriverManager.getConnection(DriverManager.java:525)   java.sql.DriverManager.getConnection(DriverManager.java:193)   com.sra.SQLBean.<init>(SQLBean.java:12)   org.apache.jsp.registration_jsp._jspService(registration_jsp.java:50)   org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java: 328)   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java: 315)   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)   javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

i am not able to connect to database ,can any one help me please