drop-list give values from the database

Can someone help me? I want the select items to show me the data I have in the database but I get an error

jsp

   
   <select  name="perfil_" id="perfil_" required="required"> 
                <%
                   String driver ="oracle.jdbc.OracleDriver";
                   String url = "jdb:oracle:thin:@localhost:1521:XE ";
                   Class.forName(driver);
                    String sql = "SELECT PERFIL FROM REGISTRO;";
                    Connection cn=DriverManager.getConnection(url);
                    PreparedStatement ps = cn.prepareStatement(sql);
                    ResultSet rs = ps.executeQuery();
                    while (rs.next() == true) {
                %>
                <option><%=rs.getString(1)%></option>
                <% }
                %>

error

  

java.sql.SQLException: invalid arguments in the call

     

description The server encountered an internal error that caused it not to   I could fill this requirement.

     

exception javax.servlet.ServletException: java.sql.SQLException:   invalid arguments in the call     org.apache.jasper.runtime.PageContextImpl.doHandlePageException (PageContextImpl.java:909)     org.apache.jasper.runtime.PageContextImpl.handlePageException (PageContextImpl.java:838)     org.apache.jsp.index_jsp._jspService (index_jsp.java:180)     org.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:70)     javax.servlet.http.HttpServlet.service (HttpServlet.java:742)     org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:443)     org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:385)     org.apache.jasper.servlet.JspServlet.service (JspServlet.java:329)     javax.servlet.http.HttpServlet.service (HttpServlet.java:742)     org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)

     

root cause java.sql.SQLException: invalid arguments in the call     oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:112)     oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:146)     oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:208)     oracle.jdbc.driver.T4CConnection.logon (T4CConnection.java:236)     oracle.jdbc.driver.PhysicalConnection. (PhysicalConnection.java:414)     oracle.jdbc.driver.T4CConnection. (T4CConnection.java:165)     oracle.jdbc.driver.T4CDriverExtension.getConnection (T4CDriverExtension.java:35)     oracle.jdbc.driver.OracleDriver.connect (OracleDriver.java:801)     java.sql.DriverManager.getConnection (DriverManager.java:664)     java.sql.DriverManager.getConnection (DriverManager.java:270)     org.apache.jsp.index_jsp._jspService (index_jsp.java:145)     org.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:70)     javax.servlet.http.HttpServlet.service (HttpServlet.java:742)     org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:443)     org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:385)     org.apache.jasper.servlet.JspServlet.service (JspServlet.java:329)     javax.servlet.http.HttpServlet.service (HttpServlet.java:742)     org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)

Note: The full trace of the cause of this error is found in the server's log files.