Validation Being Called Twice

Hello Everyone,

I have a validation method:

	public String validateHPostal(String value) throws  
NSValidation.ValidationException {

         logger.debug("Value - " + value);

         String str = value;

         logger.debug("String - " + str);

         /*Pattern.matches("[A-Z][0-9][A-Z][0-9][A-Z][0-9]",  
value.subSequence(0, value.length())) */
         if (str == null || str.length() == 0 ){
             logger.debug("Value is null so we are throwing exception");
             logger.debug(value);
			throw new NSValidation.ValidationException("PostalCode cannot be  
left blank.");
		}else if( Pattern.matches("[A-Z][0-9][A-Z][0-9][A-Z][0-9]",  
str.subSequence(0, str.length()))){
             logger.debug("The string matches a Canadian postal code");
             return str = str.substring(0,3) + " " + str.substring(3,6);
         }else if(Pattern.matches("[A-Z][0-9][A-Z] [0-9][A-Z][0-9]",  
str.subSequence(0, str.length())) || Pattern.matches("[0-9]{5}(-[0-9] 
{4})?", str.subSequence(0, str.length()))){
             logger.debug("The string is a Postal Code or Zip Code");
             return str;
         }else{
             logger.debug("We are throwing an exception because the  
registrant did not provide a valid Canadian postal code");
             throw new NSValidation.ValidationException("You must  
provide a valid Canadian postal code or American zip code");
         }
	}

I have a saveChanges call in a block such as this:

             try{
                 //Resetting the error message before attempting to  
set the registration.
                 s.setErrorMessage("");
                 ec.saveChanges();
                 logger.debug("No exception generated");
			}catch(Exception e){
                 logger.debug("We have caught an exception");
                 logger.debug(e);
                 s.setErrorMessage(e.getMessage());
                 ec.revert();
                 return null;
             }

The when I try to call the validation method validateHPostal with  
value = 4345 (data that is supposed to throw an exception) it is  
almost as if the validation is being called twice.  My log shows:

2007-02-14 11:23:10,890 [WorkerThread3] DEBUG Registrant - Value - 4345
2007-02-14 11:23:10,891 [WorkerThread3] DEBUG Registrant - String - 4345
2007-02-14 11:23:10,891 [WorkerThread3] DEBUG Registrant - We are  
throwing an exception because the registrant did not provide a valid  
Canadian postal code
[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [java.lang.String] with keypath = registrant.hPostal and  
exception: You must provide a valid Canadian postal code or American  
zip code
[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [null] with keypath = aGuest.firstName and exception: the  
first name field cannot be left blank.
[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [null] with keypath = aGuest.lastName and exception: the last  
name field cannot be left blank.
2007-02-14 11:23:10,961 [WorkerThread3] DEBUG Registrant - Value - null
2007-02-14 11:23:10,962 [WorkerThread3] DEBUG Registrant - String - null
2007-02-14 11:23:10,962 [WorkerThread3] DEBUG Registrant - Value is  
null so we are throwing exception
2007-02-14 11:23:10,962 [WorkerThread3] DEBUG Registrant -
2007-02-14 11:23:10,980 [WorkerThread3] DEBUG RegistrationPage - We  
have caught an exception
2007-02-14 11:23:10,981 [WorkerThread3] DEBUG RegistrationPage -  
com.webobjects.foundation.NSValidation$ValidationException:  
PostalCode cannot be left blank.

It seems as if the objects is ran through validation twice the first  
tim throws these exception:

[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [java.lang.String] with keypath = registrant.hPostal and  
exception: You must provide a valid Canadian postal code or American  
zip code
[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [null] with keypath = aGuest.firstName and exception: the  
first name field cannot be left blank.
[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [null] with keypath = aGuest.lastName and exception: the last  
name field cannot be left blank.

Then since the validateHPostal is now passed is throws this exception:

2007-02-14 11:23:10,981 [WorkerThread3] DEBUG RegistrationPage -  
com.webobjects.foundation.NSValidation$ValidationException:  
PostalCode cannot be left blank.

It should only be throwing this exception:

[2007-02-14 11:23:10 EST] <WorkerThread3> Validation failed on an  
object [java.lang.String] with keypath = registrant.hPostal and  
exception: You must provide a valid Canadian postal code or American  
zip code

Does anyone have any idea as to what might be causing the unusual  
behaviour?

Regards,
Jeff

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