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