Hi Yuemin,
jaxb-1.0-beta throws javax.xml.bind.ValidationException[1] if you try to
validate an instance containing an empty element whose schema requires
it not to be.
Regards,
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Java Web Services |UBUR02-201 |an arrow, but
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[1] http://java.sun.com/xml/jaxb/api/javax/xml/bind/ValidationException.html
Yuemin Wang wrote:
> Hi,
>
> I found a possible bug in jaxb-1.0-ea: "Validate errorjava.lang.NullPointerException"
>
> This error happenes when validate option field (?) itself is an NESTED element.
>
> Case one:
> ---------------------------------
> <!ELEMENT ALIMPRS (STATUS, CONFIRMNUM?, OPERCONFDT?)>
> <!ELEMENT CONFIRMNUM (#PCDATA) >
> <!ELEMENT OPERCONFDT (#PCDATA) >
>
> validation code:
> public void validate(Validator v)
> throws StructureValidationException
> {
> v.validate(_STATUS);
> }
>
> ==> no problem! CONFIRMNUM and OPERCONFDT are simple ELEMENT
>
> Case two:
> ---------------------------------
> <!ELEMENT ALIMPRQ (USERINFO, ALTPROV*, PAYINFO?)>
> <!ELEMENT USERINFO EMPTY>
> <!ATTLIST USERINFO
> USERID CDATA #REQUIRED
> USERPASS CDATA #IMPLIED
>
> ...
> <!ELEMENT PAYINFO (ACCTINFO, AMOUNT) >
> <!ELEMENT AMOUNT (#PCDATA) >
>
> Validation Code:
> public void validate(Validator v)
> throws StructureValidationException
> {
> v.validate(_USERINFO);
> for (Iterator i = _ALTPROV.iterator(); i.hasNext(); ) {
> v.validate(((ValidatableObject) i.next()));
> }
> v.validate(_PAYINFO);
> }
>
> ==> Problem: the PAYINFO is not allow 'null' ==> cause the error
> This happens when PAYINFO has nested ELEMENTS.
>
> The correct code for validate PAYINFO? shall be:
>
> if ( _PAYINFO != null)
> v.validate(_PAYINFO);
>
> Don't know if this problem fix in the newest version?
>
> Thank you and happy holiday!
>
> Yuemin Wang