OWA Errors using DBXML

Question

When I try to execute a procedure that contains a dbxml.query call, I get the following error stack:
SQL> exec test_proc
BEGIN test_proc; END;
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "SYS.OWA_UTIL", line 315
ORA-06512: at "SYS.OWA_UTIL", line 355
ORA-06512: at "XMLBOOK.DBXML", line 121
ORA-06512: at "XMLBOOK.DBXML", line 1367
ORA-06512: at "XMLBOOK.DBXML", line 1826
ORA-06512: at "XMLBOOK.TEST_PROC", line 4
ORA-06512: at line 1
I have loaded the plsxml packages but keep getting this error. I am running 8.1.7 on a Sun Solaris 7 Box. I can describe the OWA packages fine, any ideas?
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Answer 1

public void setCGIVars(HttpServletRequest req, String name, String pass)
throws SQLException {
CallableStatement cs;
StringBuffer command = new StringBuffer("DECLARE var_val owa.vc_arr;\n");
command.append(" var_name owa.vc_arr;\n");
command.append(" dummy_num_vals integer; \nBEGIN ");
// Get dummy val, force to execute init code of the package
// if not execute this call the global vars of packages of owa_init
// and owa_cookie have null vals
command.append("dummy_num_vals := owa.initialize;\n");
String hostaddr = req.getRemoteAddr();
//System.out.println(hostaddr);
//!!! make faster right into "command" variable
StringTokenizer st = new StringTokenizer(hostaddr,".");
for(int i = 1; st.hasMoreElements(); i++)
command.append("owa.ip_address(" + i + "):='" + (String) st.nextElement() + "';\n");
// Set the owa.cgi_var_val and owa.cgi_var_name used by owa package
// for example owa.get_service_path use the CGI var SCRIPT_NAME
command.append(" owa.user_id:='" + name + "';\n" +
" owa.password:='" + pass + "';\n" +
" owa.hostname:='" + req.getRemoteHost() + "';\n");
if (toolkitVersion.equalsIgnoreCase("3x"))
command.append(" htp.rows_in:=0; htp.rows_out:=0;\n");
else
command.append(" htp.init;\n");
CgiVars env = new CgiVars(req,this.connInfo,name,pass);
for(int i=0;i<env.size;i++)
command.append(" var_val("+(i+1)+"):='"+ env.values[i] + "';\n" +
" var_name("+(i+1)+"):='"+ env.names[i] + "';\n");
command.append(" owa.init_cgi_env("+env.size+",var_name,var_val);\n ");
// get authorization mode
command.append("END;");
cs = sqlconn.prepareCall(command.toString());
cs.execute();
cs.close(); //don't wait for garbage collector
}After this initialization step you must call your stored procedure and collect your page result with owa_util.showpage.
Hope this help.
Best regards, Marcelo.
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