oracle - Exception in thread "main" java.sql.SQLException: Missing defines -



have done below sample jdbc program retrieving user details.now getting surprised same callable statement getting different result set same output parameter index.ideally should return same resultset object.

  1. when got resultset moving cursor -1 0.
  2. i retrieving data resultset same output param using column name getting following exception

,

exception in thread "main" java.sql.sqlexception: missing defines

 system.out.println("before loading connection");     drivermanager.registerdriver(new oracle.jdbc.oracledriver());     connection connection = drivermanager.getconnection(             "jdbc:oracle:thin:@170.45.3.165:1541/testdb.mycomp.com",             "admin", "admin123");     system.out.println("connection loaded " + connection);      callablestatement callprocedure = connection             .preparecall("{call admin_user.fetch_user_details(?,?)}");      callprocedure.setstring(1, "userid=testid");      callprocedure.registeroutparameter(2, oracle.jdbc.oracletypes.cursor);     callprocedure.execute();      resultset resultuserdetails = (resultset) callprocedure.getobject(2);     resultuserdetails.next();      resultset resultuserdetails1 = (resultset) callprocedure.getobject(2);     string username = resultuserdetails1.getstring(col_name_user_name);      system.out.println(resultuserdetails);     system.out.println(resultuserdetails1);      system.out.println(resultuserdetails == resultuserdetails1);

can has idea why getting 2 different resultset same output index callable statement?

according callablesatement api expression should this

 {call <procedure-name>[(<arg1>,<arg2>, ...)]}

try 

callablestatement callprocedure = connection.preparecall("{call admin_user.fetch_user_details(?,?)}");

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