XMLObjectSupport.getBuilder() is returning null

[Tom Chiverton]

For the benefit of the future, I couldn't find out what was wrong, so 
just hacked in a work around in my code :

if( attributeStatementBuilder == null ){
             //throw new MarshallingException("attributeStatementBuilder 
not found for "+AttributeStatement.DEFAULT_ELEMENT_NAME);
             attributeStatementBuilder = new AttributeStatementBuilder();

             if( attributeStatementBuilder == null ){
                 throw new 
MarshallingException("attributeStatementBuilder not found for 
"+AttributeStatement.DEFAULT_ELEMENT_NAME);
             }
}

Tom

On 17/06/2021 09:41, Tom Chiverton wrote:
>
> Hello again,
>
> I'm fairly sure some how that my code isn't getting a correctly setup 
> XMLObjectProviderRegistry, but can't see how to dump the configured 
> one from a working project to see what might be up, or what the 
> required configuration might be and set it.
>
> I can't seem to get XMLObjectBuilderFactory.getBuilders() to return 
> anything except empty, which is weird, right ?
>
> Tom
>
> On 15/06/2021 13:18, Tom Chiverton wrote:
>>
>> [reposting from users@ as requested]
>>
>> Hi,
>>
>> I'm trying integrate some code that uses OpenSAML (v3). I'm trying to 
>> build a SAML IDP Response XML so it can be HTTP POST'ed to a SP 
>> (IDP-initiated SSO). This should be straight forward (!).
>>
>> When I do
>>
>> AttributeStatementBuilder attributeStatementBuilder =
>>                 (AttributeStatementBuilder) 
>> XMLObjectSupport.getBuilder(AttributeStatement.DEFAULT_ELEMENT_NAME);
>>
>> the result is null in my own project, but the same call in another 
>> project ( https://github.com/AlainODea/opensaml-idp-example and in 
>> particular 
>> https://github.com/AlainODea/opensaml-idp-example/blob/a28aa97a8ecd63c0dbeb7a8f7464e2d4115dc569/src/main/java/com/alainodea/idp/service/AssertionFactory.java#L35 
>> ) does not return null.
>>
>> AttributeStatement.DEFAULT_ELEMENT_NAME is logging out as 
>> "{urn:oasis:names:tc:SAML:2.0:assertion}" in both cases.
>>
>> I assume I am missing some property (file ?) or initialisation / 
>> setup code somewhere, but there doesn't seem to be anything in the 
>> projects' wiki or the classes Java Doc pages to explain what it might be.
>>
>> I'm already doing these two, because the other project did, otherwise 
>> I get "XMLObjectProviderRegistry was not available from the 
>> ConfigurationService" from the getBuilder() call
>>
>> org.opensaml.xmlsec.config.JavaCryptoValidationInitializer.init();
>> org.opensaml.core.config.InitializationService.initialize();
>>
>> Could someone point me in the right direction ?
>>
>> Tom Chiverton --
>> *Tom Chiverton*
>> Lead Developer
>> e: 	tc at extravision.com <mailto:tc at extravision.com>
>> p: 	0161‌ 817‌ 2929
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>>
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